/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.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf -i ../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-4cc0a57-m [2025-04-14 12:41:55,956 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-14 12:41:55,999 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 12:41:56,004 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-14 12:41:56,004 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-14 12:41:56,031 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-14 12:41:56,031 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-14 12:41:56,031 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-14 12:41:56,032 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-14 12:41:56,032 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-14 12:41:56,032 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-14 12:41:56,032 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-14 12:41:56,032 INFO L153 SettingsManager]: * Use SBE=true [2025-04-14 12:41:56,032 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-14 12:41:56,032 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-14 12:41:56,032 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-14 12:41:56,032 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-14 12:41:56,032 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-14 12:41:56,032 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-14 12:41:56,032 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-14 12:41:56,032 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-14 12:41:56,032 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-14 12:41:56,033 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-14 12:41:56,033 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-14 12:41:56,033 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-14 12:41:56,033 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-14 12:41:56,033 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-14 12:41:56,033 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 12:41:56,033 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 12:41:56,033 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 12:41:56,033 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 12:41:56,033 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-14 12:41:56,033 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 12:41:56,033 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 12:41:56,033 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 12:41:56,033 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 12:41:56,035 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-14 12:41:56,035 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-14 12:41:56,035 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-14 12:41:56,035 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-14 12:41:56,035 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-14 12:41:56,035 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-14 12:41:56,035 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-14 12:41:56,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-14 12:41:56,036 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-14 12:41:56,036 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-14 12:41:56,036 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-14 12:41:56,036 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-14 12:41:56,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-14 12:41:56,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-14 12:41:56,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-14 12:41:56,253 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-14 12:41:56,253 INFO L274 PluginConnector]: CDTParser initialized [2025-04-14 12:41:56,254 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c [2025-04-14 12:41:57,488 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0402e770/e9311513d56c4886baead05865469816/FLAG12f3c286d [2025-04-14 12:41:57,684 INFO L389 CDTParser]: Found 1 translation units. [2025-04-14 12:41:57,684 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c [2025-04-14 12:41:57,692 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0402e770/e9311513d56c4886baead05865469816/FLAG12f3c286d [2025-04-14 12:41:58,539 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0402e770/e9311513d56c4886baead05865469816 [2025-04-14 12:41:58,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-14 12:41:58,542 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-14 12:41:58,543 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-14 12:41:58,543 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-14 12:41:58,545 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-14 12:41:58,546 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 12:41:58" (1/1) ... [2025-04-14 12:41:58,546 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c6ae971 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:41:58, skipping insertion in model container [2025-04-14 12:41:58,546 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 12:41:58" (1/1) ... [2025-04-14 12:41:58,558 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-14 12:41:58,753 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-bad-buffer-mult-alt.wvr.c[4345,4358] [2025-04-14 12:41:58,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 12:41:58,780 INFO L200 MainTranslator]: Completed pre-run [2025-04-14 12:41:58,825 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-bad-buffer-mult-alt.wvr.c[4345,4358] [2025-04-14 12:41:58,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 12:41:58,838 INFO L204 MainTranslator]: Completed translation [2025-04-14 12:41:58,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:41:58 WrapperNode [2025-04-14 12:41:58,839 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-14 12:41:58,840 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-14 12:41:58,840 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-14 12:41:58,840 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-14 12:41:58,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:41:58" (1/1) ... [2025-04-14 12:41:58,860 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:41:58" (1/1) ... [2025-04-14 12:41:58,881 INFO L138 Inliner]: procedures = 25, calls = 59, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 293 [2025-04-14 12:41:58,882 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-14 12:41:58,882 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-14 12:41:58,882 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-14 12:41:58,882 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-14 12:41:58,888 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:41:58" (1/1) ... [2025-04-14 12:41:58,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:41:58" (1/1) ... [2025-04-14 12:41:58,891 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:41:58" (1/1) ... [2025-04-14 12:41:58,891 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:41:58" (1/1) ... [2025-04-14 12:41:58,897 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:41:58" (1/1) ... [2025-04-14 12:41:58,898 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:41:58" (1/1) ... [2025-04-14 12:41:58,906 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:41:58" (1/1) ... [2025-04-14 12:41:58,907 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:41:58" (1/1) ... [2025-04-14 12:41:58,908 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:41:58" (1/1) ... [2025-04-14 12:41:58,913 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-14 12:41:58,914 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-14 12:41:58,914 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-14 12:41:58,914 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-14 12:41:58,914 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:41:58" (1/1) ... [2025-04-14 12:41:58,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 12:41:58,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:41:58,940 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 12:41:58,942 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 12:41:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-14 12:41:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-14 12:41:58,960 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-14 12:41:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-14 12:41:58,960 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-14 12:41:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-14 12:41:58,960 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-14 12:41:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-04-14 12:41:58,960 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-04-14 12:41:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-14 12:41:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-14 12:41:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-14 12:41:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-14 12:41:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-14 12:41:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-14 12:41:58,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-14 12:41:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-14 12:41:58,961 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-14 12:41:59,043 INFO L234 CfgBuilder]: Building ICFG [2025-04-14 12:41:59,044 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-14 12:41:59,336 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-14 12:41:59,336 INFO L283 CfgBuilder]: Performing block encoding [2025-04-14 12:41:59,592 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-14 12:41:59,592 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-14 12:41:59,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 12:41:59 BoogieIcfgContainer [2025-04-14 12:41:59,592 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-14 12:41:59,594 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-14 12:41:59,594 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-14 12:41:59,597 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-14 12:41:59,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.04 12:41:58" (1/3) ... [2025-04-14 12:41:59,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60e17b65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 12:41:59, skipping insertion in model container [2025-04-14 12:41:59,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:41:58" (2/3) ... [2025-04-14 12:41:59,598 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60e17b65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 12:41:59, skipping insertion in model container [2025-04-14 12:41:59,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 12:41:59" (3/3) ... [2025-04-14 12:41:59,599 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt.wvr.c [2025-04-14 12:41:59,609 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-14 12:41:59,610 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-bad-buffer-mult-alt.wvr.c that has 5 procedures, 45 locations, 46 edges, 1 initial locations, 6 loop locations, and 1 error locations. [2025-04-14 12:41:59,610 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-14 12:41:59,666 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-04-14 12:41:59,699 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 12:41:59,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-14 12:41:59,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:41:59,702 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 12:41:59,704 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 12:41:59,763 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-14 12:41:59,777 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-14 12:41:59,783 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;@17e78d0a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 12:41:59,783 INFO L341 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-04-14 12:42:00,808 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 12:42:00,808 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:42:00,808 INFO L139 ounterexampleChecker]: Examining path program with hash 334481658, occurence #1 [2025-04-14 12:42:00,809 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:42:00,809 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:42:00,811 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:42:00,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1008749985, now seen corresponding path program 1 times [2025-04-14 12:42:00,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:42:00,817 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888453530] [2025-04-14 12:42:00,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:42:00,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:00,881 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-04-14 12:42:01,110 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-04-14 12:42:01,110 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:01,110 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:01,789 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 12:42:01,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:42:01,790 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888453530] [2025-04-14 12:42:01,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888453530] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 12:42:01,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 12:42:01,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 12:42:01,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712511002] [2025-04-14 12:42:01,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 12:42:01,796 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 12:42:01,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:42:01,810 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 12:42:01,810 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-14 12:42:01,810 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:42:01,811 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:42:01,812 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:42:01,812 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:42:01,948 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:01,948 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-14 12:42:01,948 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 12:42:01,948 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:42:01,949 INFO L139 ounterexampleChecker]: Examining path program with hash 334481658, occurence #2 [2025-04-14 12:42:01,949 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:42:01,949 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:42:01,949 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:01,949 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-14 12:42:01,958 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:01,959 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-14 12:42:01,959 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:01,959 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-14 12:42:01,959 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:01,959 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-14 12:42:01,959 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:01,959 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-04-14 12:42:02,036 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:42:02,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1334541504, now seen corresponding path program 1 times [2025-04-14 12:42:02,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:42:02,037 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799020926] [2025-04-14 12:42:02,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:42:02,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:02,057 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-04-14 12:42:02,094 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-04-14 12:42:02,094 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:02,094 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:02,353 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 12:42:02,353 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:42:02,353 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799020926] [2025-04-14 12:42:02,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799020926] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 12:42:02,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 12:42:02,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-14 12:42:02,355 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 64. Constructing proof automaton... [2025-04-14 12:42:02,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 12:42:02,355 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2025-04-14 12:42:02,355 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 12:42:02,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2025-04-14 12:42:02,356 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 12:42:02,356 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-14 12:42:02,356 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:42:02,358 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:42:02,358 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:42:02,358 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:02,358 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:42:02,439 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:02,439 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:02,439 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-14 12:42:02,439 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 12:42:02,439 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:42:02,440 INFO L139 ounterexampleChecker]: Examining path program with hash 334481658, occurence #3 [2025-04-14 12:42:02,440 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:42:02,440 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:42:02,440 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:02,440 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-14 12:42:02,440 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:02,440 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-14 12:42:02,440 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:02,440 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 12:42:02,440 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:02,440 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-04-14 12:42:02,440 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:02,440 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-04-14 12:42:02,483 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:42:02,484 INFO L85 PathProgramCache]: Analyzing trace with hash -775235118, now seen corresponding path program 1 times [2025-04-14 12:42:02,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:42:02,484 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157059814] [2025-04-14 12:42:02,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:42:02,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:02,496 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-04-14 12:42:02,519 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-04-14 12:42:02,519 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:02,519 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:02,780 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 12:42:02,780 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:42:02,780 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157059814] [2025-04-14 12:42:02,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157059814] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:02,780 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [884615605] [2025-04-14 12:42:02,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:42:02,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:02,805 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-04-14 12:42:02,850 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-04-14 12:42:02,850 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:02,850 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:02,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-14 12:42:02,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:42:02,994 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 12:42:02,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [884615605] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:02,994 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:42:02,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-04-14 12:42:02,995 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:42:02,995 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-04-14 12:42:03,023 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:42:03,023 INFO L85 PathProgramCache]: Analyzing trace with hash 236824397, now seen corresponding path program 1 times [2025-04-14 12:42:03,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:42:03,023 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858664580] [2025-04-14 12:42:03,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:42:03,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:03,042 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-04-14 12:42:03,068 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-04-14 12:42:03,068 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:03,068 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:03,309 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 12:42:03,309 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:42:03,309 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858664580] [2025-04-14 12:42:03,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858664580] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:03,310 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1525148360] [2025-04-14 12:42:03,310 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:42:03,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:03,325 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-04-14 12:42:03,359 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-04-14 12:42:03,359 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:03,359 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:03,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-14 12:42:03,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:42:03,483 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 12:42:03,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1525148360] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:03,483 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:42:03,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2025-04-14 12:42:03,484 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:42:03,484 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2025-04-14 12:42:03,552 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:42:03,552 INFO L85 PathProgramCache]: Analyzing trace with hash -90110810, now seen corresponding path program 1 times [2025-04-14 12:42:03,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:42:03,552 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103164847] [2025-04-14 12:42:03,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:42:03,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:03,565 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-04-14 12:42:03,582 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-04-14 12:42:03,582 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:03,582 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:03,789 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 12:42:03,790 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:42:03,790 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103164847] [2025-04-14 12:42:03,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103164847] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:03,790 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [920015649] [2025-04-14 12:42:03,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:42:03,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:03,802 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-04-14 12:42:03,825 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-04-14 12:42:03,825 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:03,826 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:03,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-14 12:42:03,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:42:03,951 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 12:42:03,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [920015649] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:03,951 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:42:03,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-04-14 12:42:03,951 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:42:03,952 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 108 is hopeless, skipping. [2025-04-14 12:42:03,952 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 117 is hopeless, skipping. [2025-04-14 12:42:03,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2025-04-14 12:42:03,952 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:03,952 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:42:03,952 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:42:03,952 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:42:03,952 INFO L85 PathProgramCache]: Analyzing trace with hash -648820825, now seen corresponding path program 1 times [2025-04-14 12:42:03,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:42:03,952 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474453643] [2025-04-14 12:42:03,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:42:03,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:03,970 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-04-14 12:42:04,002 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-04-14 12:42:04,003 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:04,003 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:04,373 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 12:42:04,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:42:04,373 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474453643] [2025-04-14 12:42:04,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474453643] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:04,373 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144407493] [2025-04-14 12:42:04,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:42:04,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:42:04,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:42:04,375 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 12:42:04,377 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 12:42:04,465 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-04-14 12:42:04,535 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-04-14 12:42:04,535 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:04,535 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:04,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-14 12:42:04,541 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:42:04,645 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 12:42:04,645 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:42:04,766 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 12:42:04,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [144407493] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:42:04,766 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:42:04,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2025-04-14 12:42:04,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683205031] [2025-04-14 12:42:04,767 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:42:04,767 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-04-14 12:42:04,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:42:04,768 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-04-14 12:42:04,768 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2025-04-14 12:42:04,768 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:42:04,768 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:42:04,768 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 10.076923076923077) internal successors, (131), 13 states have internal predecessors, (131), 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 12:42:04,768 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:04,768 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:04,768 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:42:04,930 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:04,931 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:04,932 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:04,939 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 12:42:05,137 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 12:42:05,137 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 12:42:05,137 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:42:05,138 INFO L139 ounterexampleChecker]: Examining path program with hash 334481658, occurence #4 [2025-04-14 12:42:05,138 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:42:05,138 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:42:05,138 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:05,138 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-14 12:42:05,138 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:05,138 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 12:42:05,138 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:05,138 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-04-14 12:42:05,138 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:05,138 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-04-14 12:42:05,138 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:05,138 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2025-04-14 12:42:05,178 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:42:05,178 INFO L85 PathProgramCache]: Analyzing trace with hash -630225965, now seen corresponding path program 1 times [2025-04-14 12:42:05,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:42:05,178 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395083887] [2025-04-14 12:42:05,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:42:05,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:05,189 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-04-14 12:42:05,203 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-04-14 12:42:05,203 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:05,203 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:05,406 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 12:42:05,407 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:42:05,407 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395083887] [2025-04-14 12:42:05,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395083887] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:05,407 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [644228486] [2025-04-14 12:42:05,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:42:05,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:05,418 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-04-14 12:42:05,439 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-04-14 12:42:05,439 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:05,439 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:05,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-14 12:42:05,443 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:42:05,632 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 12:42:05,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [644228486] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:05,632 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:42:05,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2025-04-14 12:42:05,632 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:42:05,632 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-04-14 12:42:05,654 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:42:05,655 INFO L85 PathProgramCache]: Analyzing trace with hash -701728674, now seen corresponding path program 1 times [2025-04-14 12:42:05,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:42:05,655 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396780451] [2025-04-14 12:42:05,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:42:05,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:05,666 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-04-14 12:42:05,681 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-04-14 12:42:05,682 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:05,682 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:05,899 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 12:42:05,899 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:42:05,899 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396780451] [2025-04-14 12:42:05,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396780451] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:05,899 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [184141854] [2025-04-14 12:42:05,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:42:05,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:05,910 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-04-14 12:42:05,929 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-04-14 12:42:05,929 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:05,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:05,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-14 12:42:05,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:42:06,104 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 12:42:06,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [184141854] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:06,105 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:42:06,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2025-04-14 12:42:06,106 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:42:06,106 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2025-04-14 12:42:06,167 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:42:06,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1433554359, now seen corresponding path program 1 times [2025-04-14 12:42:06,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:42:06,167 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660263106] [2025-04-14 12:42:06,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:42:06,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:06,179 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-04-14 12:42:06,195 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-04-14 12:42:06,195 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:06,195 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:06,381 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 12:42:06,381 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:42:06,381 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660263106] [2025-04-14 12:42:06,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660263106] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:06,381 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [717770034] [2025-04-14 12:42:06,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:42:06,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:06,393 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-04-14 12:42:06,411 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-04-14 12:42:06,412 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:06,412 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:06,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-14 12:42:06,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:42:06,628 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 12:42:06,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [717770034] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:06,629 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:42:06,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-04-14 12:42:06,629 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:42:06,629 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 110 is hopeless, skipping. [2025-04-14 12:42:06,629 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 119 is hopeless, skipping. [2025-04-14 12:42:06,629 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 140 [2025-04-14 12:42:06,629 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:06,629 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:42:06,629 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:42:06,630 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:42:06,630 INFO L85 PathProgramCache]: Analyzing trace with hash 92634527, now seen corresponding path program 2 times [2025-04-14 12:42:06,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:42:06,630 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031706385] [2025-04-14 12:42:06,633 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 12:42:06,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:06,651 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 144 statements into 2 equivalence classes. [2025-04-14 12:42:06,679 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 140 of 144 statements. [2025-04-14 12:42:06,680 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-14 12:42:06,680 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:07,440 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-14 12:42:07,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:42:07,441 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031706385] [2025-04-14 12:42:07,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031706385] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 12:42:07,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 12:42:07,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2025-04-14 12:42:07,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987183313] [2025-04-14 12:42:07,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 12:42:07,441 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-04-14 12:42:07,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:42:07,442 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-04-14 12:42:07,442 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2025-04-14 12:42:07,442 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:42:07,442 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:42:07,442 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.142857142857142) internal successors, (114), 14 states have internal predecessors, (114), 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 12:42:07,443 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:07,443 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:07,443 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:07,443 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:42:07,677 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:07,677 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:07,678 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:07,678 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:42:07,678 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15 [2025-04-14 12:42:07,678 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 12:42:07,678 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:42:07,678 INFO L139 ounterexampleChecker]: Examining path program with hash 154819754, occurence #1 [2025-04-14 12:42:07,678 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:42:07,678 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:42:07,679 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:42:07,679 INFO L85 PathProgramCache]: Analyzing trace with hash 293683225, now seen corresponding path program 3 times [2025-04-14 12:42:07,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:42:07,679 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321479235] [2025-04-14 12:42:07,679 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 12:42:07,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:07,696 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 116 statements into 4 equivalence classes. [2025-04-14 12:42:07,721 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 62 of 116 statements. [2025-04-14 12:42:07,721 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-14 12:42:07,721 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:07,924 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-04-14 12:42:07,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:42:07,924 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321479235] [2025-04-14 12:42:07,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321479235] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 12:42:07,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 12:42:07,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-04-14 12:42:07,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519576540] [2025-04-14 12:42:07,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 12:42:07,925 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-04-14 12:42:07,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:42:07,925 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-04-14 12:42:07,925 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-04-14 12:42:07,925 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:42:07,925 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:42:07,925 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 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 12:42:07,926 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:07,926 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:07,926 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:07,926 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:42:07,926 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:42:08,508 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:08,508 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:08,508 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:08,508 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:42:08,508 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:42:08,508 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-04-14 12:42:08,508 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 12:42:08,508 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:42:08,509 INFO L139 ounterexampleChecker]: Examining path program with hash 1213885615, occurence #1 [2025-04-14 12:42:08,509 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:42:08,509 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:42:08,509 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:42:08,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1596632750, now seen corresponding path program 4 times [2025-04-14 12:42:08,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:42:08,509 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948291907] [2025-04-14 12:42:08,509 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 12:42:08,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:08,529 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 134 statements into 2 equivalence classes. [2025-04-14 12:42:08,572 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 134 of 134 statements. [2025-04-14 12:42:08,573 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 12:42:08,573 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:09,136 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 33 proven. 23 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-04-14 12:42:09,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:42:09,136 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948291907] [2025-04-14 12:42:09,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948291907] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:09,136 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764580976] [2025-04-14 12:42:09,136 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 12:42:09,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:42:09,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:42:09,138 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 12:42:09,140 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 12:42:09,234 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 134 statements into 2 equivalence classes. [2025-04-14 12:42:09,296 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 134 of 134 statements. [2025-04-14 12:42:09,296 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 12:42:09,297 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:09,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-04-14 12:42:09,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:42:09,779 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 22 proven. 23 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-04-14 12:42:09,779 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:42:09,795 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2025-04-14 12:42:10,189 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 30 proven. 15 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-04-14 12:42:10,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [764580976] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:42:10,189 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:42:10,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 12] total 36 [2025-04-14 12:42:10,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368793678] [2025-04-14 12:42:10,189 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:42:10,190 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2025-04-14 12:42:10,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:42:10,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2025-04-14 12:42:10,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=319, Invalid=1013, Unknown=0, NotChecked=0, Total=1332 [2025-04-14 12:42:10,191 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:42:10,191 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:42:10,191 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 8.135135135135135) internal successors, (301), 36 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:42:10,191 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:10,191 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:10,191 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:10,191 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:42:10,192 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:42:10,192 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:42:12,419 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:12,419 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:12,419 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:12,419 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:42:12,419 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:42:12,420 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:42:12,430 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-04-14 12:42:12,620 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-04-14 12:42:12,620 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 12:42:12,620 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:42:12,621 INFO L139 ounterexampleChecker]: Examining path program with hash 5604270, occurence #1 [2025-04-14 12:42:12,621 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:42:12,621 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:42:12,621 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:42:12,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1883674148, now seen corresponding path program 5 times [2025-04-14 12:42:12,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:42:12,621 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773031563] [2025-04-14 12:42:12,621 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 12:42:12,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:12,644 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 180 statements into 8 equivalence classes. [2025-04-14 12:42:13,257 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) and asserted 180 of 180 statements. [2025-04-14 12:42:13,258 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2025-04-14 12:42:13,258 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:13,894 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 209 proven. 57 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-04-14 12:42:13,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:42:13,894 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773031563] [2025-04-14 12:42:13,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773031563] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:13,894 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [441251837] [2025-04-14 12:42:13,894 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 12:42:13,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:42:13,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:42:13,897 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 12:42:13,898 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 12:42:14,014 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 180 statements into 8 equivalence classes. [2025-04-14 12:42:14,179 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) and asserted 180 of 180 statements. [2025-04-14 12:42:14,179 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2025-04-14 12:42:14,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:14,184 INFO L256 TraceCheckSpWp]: Trace formula consists of 844 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-04-14 12:42:14,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:42:14,536 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 206 proven. 21 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2025-04-14 12:42:14,536 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:42:14,870 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 168 proven. 59 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2025-04-14 12:42:14,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [441251837] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:42:14,870 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:42:14,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 41 [2025-04-14 12:42:14,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608548633] [2025-04-14 12:42:14,870 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:42:14,871 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2025-04-14 12:42:14,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:42:14,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2025-04-14 12:42:14,872 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=386, Invalid=1336, Unknown=0, NotChecked=0, Total=1722 [2025-04-14 12:42:14,872 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:42:14,872 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:42:14,872 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 6.4523809523809526) internal successors, (271), 41 states have internal predecessors, (271), 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 12:42:14,872 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:14,873 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:14,873 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:14,873 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:42:14,873 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:42:14,873 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:42:14,873 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:42:15,066 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:15,066 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:15,066 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:15,066 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:42:15,066 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:42:15,066 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:42:15,067 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:42:15,074 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-04-14 12:42:15,271 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:42:15,271 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 12:42:15,271 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:42:15,271 INFO L139 ounterexampleChecker]: Examining path program with hash 5604270, occurence #2 [2025-04-14 12:42:15,271 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:42:15,271 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:42:15,271 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:15,271 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-14 12:42:15,271 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:15,271 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-14 12:42:15,271 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:15,272 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-04-14 12:42:15,272 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:15,272 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-04-14 12:42:15,272 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:15,272 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2025-04-14 12:42:15,289 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:42:15,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1443263797, now seen corresponding path program 1 times [2025-04-14 12:42:15,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:42:15,289 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298141182] [2025-04-14 12:42:15,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:42:15,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:15,306 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 151 statements into 1 equivalence classes. [2025-04-14 12:42:15,334 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 151 of 151 statements. [2025-04-14 12:42:15,334 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:15,334 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:15,640 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2025-04-14 12:42:15,640 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:42:15,640 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298141182] [2025-04-14 12:42:15,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298141182] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:15,640 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [663666624] [2025-04-14 12:42:15,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:42:15,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:15,657 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 151 statements into 1 equivalence classes. [2025-04-14 12:42:15,692 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 151 of 151 statements. [2025-04-14 12:42:15,692 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:15,692 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:15,695 INFO L256 TraceCheckSpWp]: Trace formula consists of 740 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-14 12:42:15,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:42:15,880 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 41 proven. 3 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2025-04-14 12:42:15,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [663666624] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:15,881 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:42:15,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2025-04-14 12:42:15,881 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:42:15,881 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2025-04-14 12:42:15,914 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:42:15,914 INFO L85 PathProgramCache]: Analyzing trace with hash -153100765, now seen corresponding path program 1 times [2025-04-14 12:42:15,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:42:15,914 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778980387] [2025-04-14 12:42:15,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:42:15,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:15,931 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-04-14 12:42:15,960 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-04-14 12:42:15,960 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:15,960 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:16,268 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2025-04-14 12:42:16,268 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:42:16,268 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778980387] [2025-04-14 12:42:16,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778980387] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:16,268 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1122109362] [2025-04-14 12:42:16,268 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:42:16,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:16,285 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-04-14 12:42:16,320 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-04-14 12:42:16,320 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:16,320 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:16,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-14 12:42:16,325 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:42:16,506 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2025-04-14 12:42:16,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1122109362] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:16,507 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:42:16,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2025-04-14 12:42:16,507 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:42:16,507 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 158 [2025-04-14 12:42:16,507 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:16,507 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 162 [2025-04-14 12:42:16,507 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:16,507 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 164 [2025-04-14 12:42:16,539 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:42:16,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1322609786, now seen corresponding path program 1 times [2025-04-14 12:42:16,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:42:16,539 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940541745] [2025-04-14 12:42:16,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:42:16,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:16,557 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 165 statements into 1 equivalence classes. [2025-04-14 12:42:16,589 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 165 of 165 statements. [2025-04-14 12:42:16,589 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:16,589 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:16,749 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2025-04-14 12:42:16,750 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:42:16,750 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940541745] [2025-04-14 12:42:16,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940541745] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 12:42:16,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 12:42:16,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 12:42:16,751 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 164. Constructing proof automaton... [2025-04-14 12:42:16,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 12:42:16,751 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2025-04-14 12:42:16,751 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 12:42:16,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2025-04-14 12:42:16,751 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 12:42:16,751 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-04-14 12:42:16,751 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:42:16,751 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:42:16,751 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) 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 12:42:16,751 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:16,751 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:16,751 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:16,752 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:42:16,752 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:42:16,752 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:42:16,752 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:42:16,752 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:42:17,064 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:17,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:17,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:17,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:42:17,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:42:17,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:42:17,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:42:17,065 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:17,065 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23 [2025-04-14 12:42:17,065 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 12:42:17,066 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:42:17,066 INFO L139 ounterexampleChecker]: Examining path program with hash 1121715250, occurence #1 [2025-04-14 12:42:17,066 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:42:17,066 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:42:17,066 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:42:17,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1368414792, now seen corresponding path program 6 times [2025-04-14 12:42:17,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:42:17,066 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002305111] [2025-04-14 12:42:17,066 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 12:42:17,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:17,094 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 204 statements into 12 equivalence classes. [2025-04-14 12:42:17,133 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 76 of 204 statements. [2025-04-14 12:42:17,133 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-04-14 12:42:17,133 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:17,328 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 4 proven. 83 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2025-04-14 12:42:17,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:42:17,329 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002305111] [2025-04-14 12:42:17,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002305111] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:17,329 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1770411370] [2025-04-14 12:42:17,329 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 12:42:17,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:42:17,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:42:17,331 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 12:42:17,333 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 12:42:17,463 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 204 statements into 12 equivalence classes. [2025-04-14 12:42:17,502 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 76 of 204 statements. [2025-04-14 12:42:17,502 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-04-14 12:42:17,502 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:17,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-04-14 12:42:17,508 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:42:17,709 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 42 proven. 3 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2025-04-14 12:42:17,709 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:42:17,898 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 1 proven. 44 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2025-04-14 12:42:17,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1770411370] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:42:17,898 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:42:17,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 19 [2025-04-14 12:42:17,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622439572] [2025-04-14 12:42:17,898 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:42:17,898 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-04-14 12:42:17,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:42:17,899 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-04-14 12:42:17,899 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2025-04-14 12:42:17,899 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:42:17,899 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:42:17,899 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.421052631578948) internal successors, (103), 19 states have internal predecessors, (103), 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 12:42:17,899 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:17,899 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:17,899 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:17,899 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:42:17,899 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:42:17,899 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:42:17,899 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:42:17,902 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:17,902 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:42:18,044 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:18,044 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:18,044 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:18,044 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:42:18,044 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:42:18,044 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:42:18,044 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:42:18,044 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:18,044 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:42:18,051 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-04-14 12:42:18,245 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-04-14 12:42:18,245 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 12:42:18,245 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:42:18,245 INFO L139 ounterexampleChecker]: Examining path program with hash 1121715250, occurence #2 [2025-04-14 12:42:18,245 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:42:18,246 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:42:18,246 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:18,246 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 12:42:18,246 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:18,246 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-04-14 12:42:18,246 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:18,246 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-04-14 12:42:18,246 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:18,246 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-04-14 12:42:18,246 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:18,246 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 151 [2025-04-14 12:42:18,261 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:42:18,261 INFO L85 PathProgramCache]: Analyzing trace with hash 613433911, now seen corresponding path program 1 times [2025-04-14 12:42:18,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:42:18,261 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138822374] [2025-04-14 12:42:18,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:42:18,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:18,282 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 152 statements into 1 equivalence classes. [2025-04-14 12:42:18,317 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 152 of 152 statements. [2025-04-14 12:42:18,317 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:18,317 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:18,638 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 6 proven. 100 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2025-04-14 12:42:18,638 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:42:18,638 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138822374] [2025-04-14 12:42:18,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138822374] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:18,639 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2750569] [2025-04-14 12:42:18,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:42:18,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:18,658 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 152 statements into 1 equivalence classes. [2025-04-14 12:42:18,723 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 152 of 152 statements. [2025-04-14 12:42:18,723 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:18,723 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:18,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-04-14 12:42:18,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:42:18,964 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 100 proven. 6 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2025-04-14 12:42:18,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2750569] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:18,964 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:42:18,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2025-04-14 12:42:18,964 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:42:18,964 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 158 [2025-04-14 12:42:18,964 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:18,964 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 162 [2025-04-14 12:42:18,964 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:18,964 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 166 [2025-04-14 12:42:18,964 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:18,964 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 170 [2025-04-14 12:42:18,964 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:18,964 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2025-04-14 12:42:18,965 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:18,965 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 178 [2025-04-14 12:42:18,965 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:18,965 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 182 [2025-04-14 12:42:18,965 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:18,965 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 186 [2025-04-14 12:42:18,965 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:18,965 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 190 [2025-04-14 12:42:18,965 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:18,965 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2025-04-14 12:42:18,965 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:18,965 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 198 [2025-04-14 12:42:18,965 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:18,965 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 200 [2025-04-14 12:42:18,965 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:18,965 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:42:18,965 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:42:18,966 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:42:18,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1536778697, now seen corresponding path program 7 times [2025-04-14 12:42:18,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:42:18,966 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97636775] [2025-04-14 12:42:18,966 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 12:42:18,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:18,993 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-04-14 12:42:19,043 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-04-14 12:42:19,044 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:19,044 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:19,443 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 8 proven. 100 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2025-04-14 12:42:19,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:42:19,443 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97636775] [2025-04-14 12:42:19,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97636775] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:19,443 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1620887671] [2025-04-14 12:42:19,443 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 12:42:19,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:42:19,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:42:19,445 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 12:42:19,447 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 12:42:19,581 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-04-14 12:42:19,657 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-04-14 12:42:19,657 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:19,657 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:19,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 900 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-14 12:42:19,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:42:19,733 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2025-04-14 12:42:19,733 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:42:19,829 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2025-04-14 12:42:19,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1620887671] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:42:19,830 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:42:19,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 16 [2025-04-14 12:42:19,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976364659] [2025-04-14 12:42:19,830 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:42:19,830 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-04-14 12:42:19,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:42:19,831 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-04-14 12:42:19,831 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2025-04-14 12:42:19,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:42:19,831 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:42:19,831 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.25) internal successors, (164), 16 states have internal predecessors, (164), 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 12:42:19,831 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:19,831 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:19,831 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:19,831 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:42:19,831 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:42:19,831 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:42:19,831 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:42:19,831 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:19,831 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:42:19,831 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:42:20,705 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:20,705 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:20,705 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:20,705 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:42:20,705 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:42:20,705 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:42:20,705 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:42:20,705 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:20,705 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:42:20,706 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:20,713 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 12:42:20,906 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27 [2025-04-14 12:42:20,906 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 12:42:20,906 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:42:20,906 INFO L139 ounterexampleChecker]: Examining path program with hash -1263054184, occurence #1 [2025-04-14 12:42:20,906 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:42:20,906 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:42:20,907 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:42:20,907 INFO L85 PathProgramCache]: Analyzing trace with hash -1538638691, now seen corresponding path program 8 times [2025-04-14 12:42:20,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:42:20,907 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281347489] [2025-04-14 12:42:20,907 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 12:42:20,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:20,919 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 91 statements into 2 equivalence classes. [2025-04-14 12:42:20,931 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 91 of 91 statements. [2025-04-14 12:42:20,931 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 12:42:20,931 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:21,023 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2025-04-14 12:42:21,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:42:21,023 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281347489] [2025-04-14 12:42:21,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281347489] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 12:42:21,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 12:42:21,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-14 12:42:21,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713809138] [2025-04-14 12:42:21,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 12:42:21,024 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 12:42:21,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:42:21,024 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 12:42:21,024 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-04-14 12:42:21,024 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:42:21,024 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:42:21,024 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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 12:42:21,024 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:21,024 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:21,024 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:21,025 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:42:21,025 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:42:21,025 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:42:21,025 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:42:21,025 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:21,025 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:42:21,025 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:21,025 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:42:21,248 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:21,248 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:21,248 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:21,248 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:42:21,248 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:42:21,248 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:42:21,248 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:42:21,248 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:21,248 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:42:21,248 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:21,248 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:21,248 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2025-04-14 12:42:21,248 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 12:42:21,249 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:42:21,249 INFO L139 ounterexampleChecker]: Examining path program with hash -1263054184, occurence #2 [2025-04-14 12:42:21,249 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:42:21,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:42:21,249 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:21,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-04-14 12:42:21,249 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:21,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-04-14 12:42:21,249 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:21,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-04-14 12:42:21,249 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:21,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-04-14 12:42:21,249 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:21,249 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 58 [2025-04-14 12:42:21,266 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:42:21,266 INFO L85 PathProgramCache]: Analyzing trace with hash -772930387, now seen corresponding path program 1 times [2025-04-14 12:42:21,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:42:21,266 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949636156] [2025-04-14 12:42:21,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:42:21,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:21,276 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-04-14 12:42:21,284 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-04-14 12:42:21,284 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:21,284 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:21,462 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2025-04-14 12:42:21,462 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:42:21,462 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949636156] [2025-04-14 12:42:21,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949636156] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:21,463 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1545770031] [2025-04-14 12:42:21,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:42:21,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:21,474 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-04-14 12:42:21,488 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-04-14 12:42:21,488 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:21,488 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:21,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-14 12:42:21,492 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:42:21,791 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2025-04-14 12:42:21,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1545770031] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:21,792 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:42:21,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 15 [2025-04-14 12:42:21,792 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:42:21,792 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-04-14 12:42:21,792 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:21,792 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-04-14 12:42:21,792 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:21,792 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-14 12:42:21,792 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:21,792 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-14 12:42:21,792 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:21,792 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2025-04-14 12:42:21,792 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:21,792 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:42:21,792 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:42:21,792 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:42:21,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1491586529, now seen corresponding path program 9 times [2025-04-14 12:42:21,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:42:21,793 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926048529] [2025-04-14 12:42:21,793 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 12:42:21,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:21,806 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 84 statements into 5 equivalence classes. [2025-04-14 12:42:21,827 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 62 of 84 statements. [2025-04-14 12:42:21,827 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-14 12:42:21,827 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:22,100 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2025-04-14 12:42:22,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:42:22,100 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926048529] [2025-04-14 12:42:22,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926048529] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:22,100 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292128745] [2025-04-14 12:42:22,100 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 12:42:22,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:42:22,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:42:22,102 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 12:42:22,104 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 12:42:22,229 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 84 statements into 5 equivalence classes. [2025-04-14 12:42:22,265 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 62 of 84 statements. [2025-04-14 12:42:22,266 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-14 12:42:22,266 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:22,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-04-14 12:42:22,269 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:42:22,665 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2025-04-14 12:42:22,666 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:42:22,984 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-04-14 12:42:22,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [292128745] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:42:22,985 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:42:22,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 10] total 26 [2025-04-14 12:42:22,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082811906] [2025-04-14 12:42:22,985 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:42:22,985 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-04-14 12:42:22,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:42:22,985 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-04-14 12:42:22,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=586, Unknown=0, NotChecked=0, Total=702 [2025-04-14 12:42:22,986 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:42:22,986 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:42:22,986 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 4.7407407407407405) internal successors, (128), 26 states have internal predecessors, (128), 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 12:42:22,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:22,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:22,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:22,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:42:22,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:42:22,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:42:22,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:42:22,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:22,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:42:22,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:22,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:22,986 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:42:24,279 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:24,279 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:24,279 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:24,279 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:42:24,279 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:42:24,279 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:42:24,279 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:42:24,279 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:24,279 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:42:24,279 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:24,279 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:24,279 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-14 12:42:24,285 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 12:42:24,480 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:42:24,480 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 12:42:24,480 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:42:24,480 INFO L139 ounterexampleChecker]: Examining path program with hash -1308765831, occurence #1 [2025-04-14 12:42:24,480 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:42:24,480 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:42:24,481 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:42:24,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1938669326, now seen corresponding path program 10 times [2025-04-14 12:42:24,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:42:24,481 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187887151] [2025-04-14 12:42:24,481 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 12:42:24,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:24,511 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 311 statements into 2 equivalence classes. [2025-04-14 12:42:24,691 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 311 of 311 statements. [2025-04-14 12:42:24,691 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 12:42:24,691 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:25,609 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 153 proven. 75 refuted. 0 times theorem prover too weak. 553 trivial. 0 not checked. [2025-04-14 12:42:25,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:42:25,609 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187887151] [2025-04-14 12:42:25,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187887151] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:25,609 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1341767565] [2025-04-14 12:42:25,609 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 12:42:25,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:42:25,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:42:25,611 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 12:42:25,613 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 12:42:25,781 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 311 statements into 2 equivalence classes. [2025-04-14 12:42:25,906 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 311 of 311 statements. [2025-04-14 12:42:25,906 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 12:42:25,906 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:25,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 1269 conjuncts, 42 conjuncts are in the unsatisfiable core [2025-04-14 12:42:25,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:42:28,753 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 722 proven. 10 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-04-14 12:42:28,753 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:42:31,235 INFO L325 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2025-04-14 12:42:31,235 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2025-04-14 12:42:31,427 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 577 proven. 155 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-04-14 12:42:31,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1341767565] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:42:31,427 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:42:31,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 36, 36] total 74 [2025-04-14 12:42:31,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201656361] [2025-04-14 12:42:31,427 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:42:31,428 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2025-04-14 12:42:31,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:42:31,429 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2025-04-14 12:42:31,430 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1910, Invalid=3492, Unknown=0, NotChecked=0, Total=5402 [2025-04-14 12:42:31,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:42:31,430 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:42:31,431 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 8.5) internal successors, (629), 74 states have internal predecessors, (629), 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 12:42:31,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:31,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:31,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:31,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:42:31,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:42:31,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:42:31,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:42:31,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:31,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:42:31,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:31,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:31,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-14 12:42:31,431 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:42:31,861 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:31,861 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:31,861 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:31,861 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:42:31,861 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:42:31,861 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:42:31,861 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:42:31,861 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:31,861 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:42:31,861 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:31,861 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:31,861 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-14 12:42:31,861 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 12:42:31,869 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 12:42:32,062 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,SelfDestructingSolverStorable32 [2025-04-14 12:42:32,062 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 12:42:32,062 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:42:32,062 INFO L139 ounterexampleChecker]: Examining path program with hash -816620697, occurence #1 [2025-04-14 12:42:32,062 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:42:32,062 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:42:32,063 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:42:32,063 INFO L85 PathProgramCache]: Analyzing trace with hash 2123506069, now seen corresponding path program 11 times [2025-04-14 12:42:32,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:42:32,063 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138750560] [2025-04-14 12:42:32,063 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 12:42:32,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:32,092 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 209 statements into 6 equivalence classes. [2025-04-14 12:42:32,336 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 209 of 209 statements. [2025-04-14 12:42:32,336 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-04-14 12:42:32,336 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:33,042 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 97 proven. 120 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2025-04-14 12:42:33,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:42:33,042 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138750560] [2025-04-14 12:42:33,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138750560] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:33,042 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [38837737] [2025-04-14 12:42:33,042 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 12:42:33,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:42:33,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:42:33,044 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 12:42:33,045 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 12:42:33,195 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 209 statements into 6 equivalence classes. [2025-04-14 12:42:35,057 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 209 of 209 statements. [2025-04-14 12:42:35,057 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-04-14 12:42:35,058 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:35,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 949 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-04-14 12:42:35,071 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:42:35,549 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 135 proven. 82 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2025-04-14 12:42:35,550 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:42:35,979 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 68 proven. 149 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2025-04-14 12:42:35,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [38837737] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:42:35,979 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:42:35,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 51 [2025-04-14 12:42:35,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316159882] [2025-04-14 12:42:35,979 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:42:35,980 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2025-04-14 12:42:35,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:42:35,981 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2025-04-14 12:42:35,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=530, Invalid=2122, Unknown=0, NotChecked=0, Total=2652 [2025-04-14 12:42:35,981 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:42:35,981 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:42:35,983 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 7.6923076923076925) internal successors, (400), 51 states have internal predecessors, (400), 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 12:42:35,983 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:35,983 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:35,983 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:35,983 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:42:35,983 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:42:35,983 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:42:35,983 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:42:35,983 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:35,983 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:42:35,983 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:35,983 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:35,983 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-14 12:42:35,983 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 12:42:35,983 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:42:36,255 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:36,255 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:36,255 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:36,255 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:42:36,255 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:42:36,255 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:42:36,255 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:42:36,256 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:36,256 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:42:36,256 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:36,256 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:36,256 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-14 12:42:36,256 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 12:42:36,256 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:42:36,266 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-04-14 12:42:36,456 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:42:36,456 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 12:42:36,457 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:42:36,457 INFO L139 ounterexampleChecker]: Examining path program with hash -816620697, occurence #2 [2025-04-14 12:42:36,457 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:42:36,457 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:42:36,457 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:36,457 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-04-14 12:42:36,457 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:36,457 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-04-14 12:42:36,457 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:36,457 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-04-14 12:42:36,457 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:36,457 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 12:42:36,457 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:36,457 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 185 [2025-04-14 12:42:36,471 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:42:36,471 INFO L85 PathProgramCache]: Analyzing trace with hash -937785914, now seen corresponding path program 1 times [2025-04-14 12:42:36,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:42:36,471 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981474840] [2025-04-14 12:42:36,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:42:36,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:36,492 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-04-14 12:42:36,527 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-04-14 12:42:36,527 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:36,527 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:37,297 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 75 proven. 157 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2025-04-14 12:42:37,298 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:42:37,298 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981474840] [2025-04-14 12:42:37,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981474840] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:37,298 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1267900785] [2025-04-14 12:42:37,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:42:37,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:37,320 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-04-14 12:42:37,361 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-04-14 12:42:37,361 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:37,362 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:37,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 886 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-04-14 12:42:37,367 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:42:38,035 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 177 proven. 55 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2025-04-14 12:42:38,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1267900785] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:38,035 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:42:38,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 45 [2025-04-14 12:42:38,035 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:42:38,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 192 [2025-04-14 12:42:38,035 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:38,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 196 [2025-04-14 12:42:38,035 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:38,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 200 [2025-04-14 12:42:38,035 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:38,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 204 [2025-04-14 12:42:38,035 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:38,035 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 206 [2025-04-14 12:42:38,035 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:38,035 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:42:38,036 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:42:38,036 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:42:38,036 INFO L85 PathProgramCache]: Analyzing trace with hash -903614859, now seen corresponding path program 12 times [2025-04-14 12:42:38,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:42:38,036 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130351000] [2025-04-14 12:42:38,036 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 12:42:38,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:38,064 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 211 statements into 6 equivalence classes. [2025-04-14 12:42:38,329 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 189 of 211 statements. [2025-04-14 12:42:38,329 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-04-14 12:42:38,329 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:38,754 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2025-04-14 12:42:38,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:42:38,754 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130351000] [2025-04-14 12:42:38,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130351000] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 12:42:38,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 12:42:38,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-04-14 12:42:38,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448341214] [2025-04-14 12:42:38,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 12:42:38,755 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-14 12:42:38,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:42:38,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-14 12:42:38,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-04-14 12:42:38,755 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:42:38,755 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:42:38,755 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:42:38,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:38,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:38,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:38,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:42:38,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:42:38,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:42:38,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:42:38,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:38,755 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:42:38,756 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:38,756 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:38,756 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-14 12:42:38,756 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 12:42:38,756 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:42:38,756 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:42:38,974 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:38,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:38,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:38,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:42:38,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:42:38,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:42:38,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:42:38,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:38,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:42:38,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:38,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:38,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-14 12:42:38,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 12:42:38,975 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:42:38,976 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:42:38,976 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36 [2025-04-14 12:42:38,976 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 12:42:38,976 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:42:38,976 INFO L139 ounterexampleChecker]: Examining path program with hash 1665522708, occurence #1 [2025-04-14 12:42:38,976 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:42:38,976 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:42:38,976 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:42:38,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1893490615, now seen corresponding path program 13 times [2025-04-14 12:42:38,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:42:38,977 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686366542] [2025-04-14 12:42:38,977 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 12:42:38,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:39,000 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-04-14 12:42:39,040 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-04-14 12:42:39,040 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:39,040 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:39,826 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 69 proven. 162 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2025-04-14 12:42:39,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:42:39,826 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686366542] [2025-04-14 12:42:39,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686366542] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:39,826 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300172077] [2025-04-14 12:42:39,826 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 12:42:39,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:42:39,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:42:39,828 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 12:42:39,829 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 12:42:40,016 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-04-14 12:42:40,098 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-04-14 12:42:40,098 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:40,098 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:40,102 INFO L256 TraceCheckSpWp]: Trace formula consists of 951 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-04-14 12:42:40,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:42:40,790 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 193 proven. 55 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-04-14 12:42:40,790 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:42:41,415 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 123 proven. 125 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-04-14 12:42:41,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [300172077] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:42:41,415 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:42:41,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 66 [2025-04-14 12:42:41,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612296534] [2025-04-14 12:42:41,416 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:42:41,416 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2025-04-14 12:42:41,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:42:41,417 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2025-04-14 12:42:41,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=914, Invalid=3376, Unknown=0, NotChecked=0, Total=4290 [2025-04-14 12:42:41,418 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:42:41,418 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:42:41,418 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 6.575757575757576) internal successors, (434), 66 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:42:41,418 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:41,418 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:41,418 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:41,418 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:42:41,418 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:42:41,418 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:42:41,418 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:42:41,418 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:41,418 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:42:41,418 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:41,418 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:41,418 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-14 12:42:41,418 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 12:42:41,418 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:42:41,419 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:42:41,419 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:42:41,636 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:41,637 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:41,637 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:41,637 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:42:41,637 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:42:41,637 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:42:41,637 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:42:41,637 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:41,637 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:42:41,637 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:41,637 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:41,637 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-14 12:42:41,637 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 12:42:41,637 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:42:41,637 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:42:41,637 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 12:42:41,645 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 12:42:41,837 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2025-04-14 12:42:41,838 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 12:42:41,838 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:42:41,838 INFO L139 ounterexampleChecker]: Examining path program with hash 1665522708, occurence #2 [2025-04-14 12:42:41,838 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:42:41,838 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:42:41,838 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:41,838 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-04-14 12:42:41,838 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:41,838 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-14 12:42:41,838 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:41,838 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-04-14 12:42:41,838 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:41,838 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-14 12:42:41,838 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:41,839 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 186 [2025-04-14 12:42:41,854 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:42:41,855 INFO L85 PathProgramCache]: Analyzing trace with hash 542779936, now seen corresponding path program 1 times [2025-04-14 12:42:41,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:42:41,855 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861743893] [2025-04-14 12:42:41,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:42:41,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:41,876 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 187 statements into 1 equivalence classes. [2025-04-14 12:42:41,927 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 187 of 187 statements. [2025-04-14 12:42:41,927 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:41,927 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:42,636 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 128 proven. 128 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-04-14 12:42:42,636 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:42:42,637 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861743893] [2025-04-14 12:42:42,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861743893] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:42,637 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [658172429] [2025-04-14 12:42:42,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:42:42,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:42,657 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 187 statements into 1 equivalence classes. [2025-04-14 12:42:42,697 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 187 of 187 statements. [2025-04-14 12:42:42,697 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:42,697 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:42,700 INFO L256 TraceCheckSpWp]: Trace formula consists of 895 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-04-14 12:42:42,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:42:43,426 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 190 proven. 66 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-04-14 12:42:43,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [658172429] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:43,426 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:42:43,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 49 [2025-04-14 12:42:43,426 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:42:43,426 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 191 [2025-04-14 12:42:43,456 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:42:43,456 INFO L85 PathProgramCache]: Analyzing trace with hash 696552346, now seen corresponding path program 1 times [2025-04-14 12:42:43,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:42:43,456 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083073967] [2025-04-14 12:42:43,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:42:43,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:43,478 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-04-14 12:42:43,514 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-04-14 12:42:43,514 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:43,514 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:44,222 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 75 proven. 171 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2025-04-14 12:42:44,222 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:42:44,222 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083073967] [2025-04-14 12:42:44,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083073967] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:44,222 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [981030354] [2025-04-14 12:42:44,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:42:44,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:44,244 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-04-14 12:42:44,288 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-04-14 12:42:44,288 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:44,288 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:44,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 910 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-04-14 12:42:44,294 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:42:44,916 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 180 proven. 66 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2025-04-14 12:42:44,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [981030354] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:44,916 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:42:44,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 48 [2025-04-14 12:42:44,917 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:42:44,917 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2025-04-14 12:42:44,930 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:42:44,930 INFO L85 PathProgramCache]: Analyzing trace with hash -628505968, now seen corresponding path program 1 times [2025-04-14 12:42:44,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:42:44,930 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529469272] [2025-04-14 12:42:44,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:42:44,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:44,952 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-04-14 12:42:44,986 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-04-14 12:42:44,987 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:44,987 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:45,802 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 78 proven. 168 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2025-04-14 12:42:45,803 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:42:45,803 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529469272] [2025-04-14 12:42:45,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529469272] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:45,803 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [276065116] [2025-04-14 12:42:45,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:42:45,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:45,827 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-04-14 12:42:45,869 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-04-14 12:42:45,870 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:45,870 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:45,873 INFO L256 TraceCheckSpWp]: Trace formula consists of 919 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-04-14 12:42:45,875 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:42:46,564 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 180 proven. 66 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2025-04-14 12:42:46,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [276065116] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:46,565 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:42:46,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 49 [2025-04-14 12:42:46,565 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:42:46,565 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 198 [2025-04-14 12:42:46,565 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:46,565 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:42:46,565 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:42:46,565 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:42:46,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1022148088, now seen corresponding path program 14 times [2025-04-14 12:42:46,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:42:46,566 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337874483] [2025-04-14 12:42:46,566 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 12:42:46,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:46,588 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 203 statements into 2 equivalence classes. [2025-04-14 12:42:46,632 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 203 of 203 statements. [2025-04-14 12:42:46,633 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 12:42:46,633 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:47,353 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 81 proven. 168 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2025-04-14 12:42:47,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:42:47,353 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337874483] [2025-04-14 12:42:47,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337874483] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:47,353 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987614965] [2025-04-14 12:42:47,353 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 12:42:47,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:42:47,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:42:47,355 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 12:42:47,356 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 12:42:47,555 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 203 statements into 2 equivalence classes. [2025-04-14 12:42:47,630 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 203 of 203 statements. [2025-04-14 12:42:47,631 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 12:42:47,631 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:47,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 960 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-04-14 12:42:47,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:42:48,364 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 194 proven. 66 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2025-04-14 12:42:48,364 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:42:49,090 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 132 proven. 128 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2025-04-14 12:42:49,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1987614965] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:42:49,090 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:42:49,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 72 [2025-04-14 12:42:49,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210774603] [2025-04-14 12:42:49,090 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:42:49,091 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2025-04-14 12:42:49,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:42:49,092 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2025-04-14 12:42:49,093 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1081, Invalid=4031, Unknown=0, NotChecked=0, Total=5112 [2025-04-14 12:42:49,093 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:42:49,093 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:42:49,093 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 6.375) internal successors, (459), 72 states have internal predecessors, (459), 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 12:42:49,093 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:49,093 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:49,093 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:49,093 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:42:49,093 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:42:49,093 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:42:49,093 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:42:49,093 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:49,093 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:42:49,093 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:49,093 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:49,093 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-14 12:42:49,093 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 12:42:49,093 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:42:49,093 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:42:49,093 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 12:42:49,093 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:42:49,341 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:49,341 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:49,341 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:49,341 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:42:49,341 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:42:49,341 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:42:49,341 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:42:49,341 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:49,341 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:42:49,341 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:49,341 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:49,341 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-14 12:42:49,341 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 12:42:49,341 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:42:49,341 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:42:49,341 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 12:42:49,341 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:42:49,349 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 12:42:49,542 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,SelfDestructingSolverStorable40,SelfDestructingSolverStorable41,SelfDestructingSolverStorable42,SelfDestructingSolverStorable43,SelfDestructingSolverStorable44,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2025-04-14 12:42:49,542 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 12:42:49,542 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:42:49,542 INFO L139 ounterexampleChecker]: Examining path program with hash 1665522708, occurence #3 [2025-04-14 12:42:49,542 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:42:49,542 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:42:49,542 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:42:49,542 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-04-14 12:42:49,542 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:49,543 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-14 12:42:49,543 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:49,543 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-14 12:42:49,543 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:49,543 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-14 12:42:49,543 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:49,543 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 187 [2025-04-14 12:42:49,556 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:42:49,557 INFO L85 PathProgramCache]: Analyzing trace with hash -804319240, now seen corresponding path program 1 times [2025-04-14 12:42:49,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:42:49,557 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963664294] [2025-04-14 12:42:49,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:42:49,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:49,579 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-04-14 12:42:49,618 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-04-14 12:42:49,618 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:49,618 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:50,266 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 19 proven. 95 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2025-04-14 12:42:50,266 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:42:50,266 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963664294] [2025-04-14 12:42:50,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963664294] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:50,266 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [479718821] [2025-04-14 12:42:50,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:42:50,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:50,288 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-04-14 12:42:50,349 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-04-14 12:42:50,349 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:50,349 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:50,353 INFO L256 TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-04-14 12:42:50,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:42:51,257 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 2 proven. 188 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2025-04-14 12:42:51,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [479718821] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:51,257 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:42:51,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 24] total 36 [2025-04-14 12:42:51,257 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:42:51,257 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 192 [2025-04-14 12:42:51,286 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:42:51,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1364324148, now seen corresponding path program 1 times [2025-04-14 12:42:51,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:42:51,286 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877851505] [2025-04-14 12:42:51,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:42:51,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:51,309 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 193 statements into 1 equivalence classes. [2025-04-14 12:42:51,346 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 193 of 193 statements. [2025-04-14 12:42:51,346 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:51,346 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:52,066 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 131 proven. 140 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-04-14 12:42:52,067 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:42:52,067 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877851505] [2025-04-14 12:42:52,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877851505] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:52,067 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [460902588] [2025-04-14 12:42:52,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:42:52,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:52,088 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 193 statements into 1 equivalence classes. [2025-04-14 12:42:52,130 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 193 of 193 statements. [2025-04-14 12:42:52,131 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:52,131 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:52,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 919 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-04-14 12:42:52,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:42:52,846 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 190 proven. 81 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-04-14 12:42:52,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [460902588] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:52,846 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:42:52,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 52 [2025-04-14 12:42:52,846 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:42:52,846 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2025-04-14 12:42:52,861 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:42:52,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1150060010, now seen corresponding path program 1 times [2025-04-14 12:42:52,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:42:52,861 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461692493] [2025-04-14 12:42:52,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:42:52,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:52,886 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes. [2025-04-14 12:42:52,925 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements. [2025-04-14 12:42:52,925 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:52,925 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:53,677 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 131 proven. 140 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-04-14 12:42:53,678 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:42:53,678 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461692493] [2025-04-14 12:42:53,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461692493] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:53,678 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1935131933] [2025-04-14 12:42:53,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:42:53,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:53,703 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes. [2025-04-14 12:42:53,748 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements. [2025-04-14 12:42:53,748 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:42:53,748 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:53,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 928 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-04-14 12:42:53,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:42:54,544 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 193 proven. 78 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2025-04-14 12:42:54,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1935131933] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:54,544 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:42:54,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 53 [2025-04-14 12:42:54,544 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:42:54,544 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 199 [2025-04-14 12:42:54,544 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:42:54,544 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:42:54,544 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:42:54,545 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:42:54,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1212634665, now seen corresponding path program 15 times [2025-04-14 12:42:54,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:42:54,545 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362621518] [2025-04-14 12:42:54,545 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 12:42:54,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:42:54,566 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 204 statements into 7 equivalence classes. [2025-04-14 12:42:54,753 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 202 of 204 statements. [2025-04-14 12:42:54,753 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-04-14 12:42:54,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:55,595 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 48 proven. 64 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2025-04-14 12:42:55,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:42:55,595 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362621518] [2025-04-14 12:42:55,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362621518] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:42:55,595 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343155076] [2025-04-14 12:42:55,595 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 12:42:55,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:42:55,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:42:55,597 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 12:42:55,598 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 12:42:55,834 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 204 statements into 7 equivalence classes. [2025-04-14 12:42:56,707 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 202 of 204 statements. [2025-04-14 12:42:56,707 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-04-14 12:42:56,707 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:42:56,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 951 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-04-14 12:42:56,716 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:42:57,676 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 5 proven. 190 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2025-04-14 12:42:57,676 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:42:58,499 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 5 proven. 190 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2025-04-14 12:42:58,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [343155076] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:42:58,500 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:42:58,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 28, 29] total 67 [2025-04-14 12:42:58,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949484645] [2025-04-14 12:42:58,500 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:42:58,500 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2025-04-14 12:42:58,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:42:58,501 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2025-04-14 12:42:58,502 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1006, Invalid=3550, Unknown=0, NotChecked=0, Total=4556 [2025-04-14 12:42:58,502 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:42:58,502 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:42:58,503 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 6.294117647058823) internal successors, (428), 67 states have internal predecessors, (428), 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 12:42:58,503 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:58,503 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:58,503 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:58,503 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:42:58,503 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:42:58,503 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:42:58,503 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:42:58,503 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:58,503 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:42:58,503 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:42:58,503 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:42:58,503 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-14 12:42:58,503 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 12:42:58,503 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:42:58,503 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:42:58,503 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 12:42:58,503 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:42:58,503 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:43:00,303 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:00,303 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:00,303 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:43:00,303 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:43:00,303 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:43:00,303 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:43:00,303 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:43:00,303 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:00,303 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:43:00,303 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:43:00,303 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:00,303 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-14 12:43:00,303 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 12:43:00,303 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:43:00,303 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:43:00,303 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 12:43:00,303 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:43:00,304 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-04-14 12:43:00,314 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-04-14 12:43:00,504 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,SelfDestructingSolverStorable51,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45,SelfDestructingSolverStorable46,SelfDestructingSolverStorable47,SelfDestructingSolverStorable48,SelfDestructingSolverStorable49 [2025-04-14 12:43:00,504 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 12:43:00,504 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:43:00,505 INFO L139 ounterexampleChecker]: Examining path program with hash -188968958, occurence #1 [2025-04-14 12:43:00,505 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:43:00,505 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:43:00,505 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:43:00,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1354932692, now seen corresponding path program 16 times [2025-04-14 12:43:00,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:43:00,505 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837312867] [2025-04-14 12:43:00,505 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 12:43:00,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:43:00,527 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 175 statements into 2 equivalence classes. [2025-04-14 12:43:00,561 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 175 of 175 statements. [2025-04-14 12:43:00,562 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 12:43:00,562 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:43:00,880 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2025-04-14 12:43:00,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:43:00,880 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837312867] [2025-04-14 12:43:00,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837312867] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 12:43:00,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 12:43:00,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-14 12:43:00,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578927474] [2025-04-14 12:43:00,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 12:43:00,881 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-14 12:43:00,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:43:00,881 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-14 12:43:00,881 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-04-14 12:43:00,881 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:43:00,881 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:43:00,881 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:43:00,881 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:00,881 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:00,881 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:43:00,881 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:43:00,881 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:43:00,881 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:43:00,881 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:43:00,881 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:00,881 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:43:00,881 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:43:00,881 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:00,882 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-14 12:43:00,882 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 12:43:00,882 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:43:00,882 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:43:00,882 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 12:43:00,882 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:43:00,882 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2025-04-14 12:43:00,882 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:43:14,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:14,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:14,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:43:14,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:43:14,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:43:14,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:43:14,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:43:14,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:14,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:43:14,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:43:14,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:14,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-14 12:43:14,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 12:43:14,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:43:14,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:43:14,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 12:43:14,782 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:43:14,782 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 250 states. [2025-04-14 12:43:14,782 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:43:14,782 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2025-04-14 12:43:14,782 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 12:43:14,782 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:43:14,782 INFO L139 ounterexampleChecker]: Examining path program with hash 1520571140, occurence #1 [2025-04-14 12:43:14,782 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:43:14,782 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:43:14,782 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:43:14,783 INFO L85 PathProgramCache]: Analyzing trace with hash 2139598166, now seen corresponding path program 17 times [2025-04-14 12:43:14,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:43:14,783 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343870300] [2025-04-14 12:43:14,783 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 12:43:14,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:43:14,812 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 320 statements into 10 equivalence classes. [2025-04-14 12:43:15,339 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) and asserted 320 of 320 statements. [2025-04-14 12:43:15,339 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2025-04-14 12:43:15,339 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:43:16,977 INFO L134 CoverageAnalysis]: Checked inductivity of 966 backedges. 370 proven. 451 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-04-14 12:43:16,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:43:16,978 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343870300] [2025-04-14 12:43:16,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343870300] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:43:16,978 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [732972436] [2025-04-14 12:43:16,978 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 12:43:16,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:43:16,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:43:16,980 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 12:43:16,980 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 12:43:17,289 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 320 statements into 10 equivalence classes. [2025-04-14 12:43:26,151 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) and asserted 320 of 320 statements. [2025-04-14 12:43:26,152 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2025-04-14 12:43:26,152 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:43:26,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 1363 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-04-14 12:43:26,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:43:27,055 INFO L134 CoverageAnalysis]: Checked inductivity of 966 backedges. 720 proven. 45 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2025-04-14 12:43:27,055 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:43:27,803 INFO L134 CoverageAnalysis]: Checked inductivity of 966 backedges. 574 proven. 191 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2025-04-14 12:43:27,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [732972436] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:43:27,803 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:43:27,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 25, 25] total 79 [2025-04-14 12:43:27,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298845063] [2025-04-14 12:43:27,803 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:43:27,804 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2025-04-14 12:43:27,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:43:27,805 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2025-04-14 12:43:27,806 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1414, Invalid=4906, Unknown=0, NotChecked=0, Total=6320 [2025-04-14 12:43:27,806 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:43:27,806 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:43:27,806 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 7.9375) internal successors, (635), 79 states have internal predecessors, (635), 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 12:43:27,806 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:27,806 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:27,806 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:43:27,806 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:43:27,807 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:43:27,807 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:43:27,807 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:43:27,807 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:27,807 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:43:27,807 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:43:27,807 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:27,807 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-14 12:43:27,807 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 12:43:27,807 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:43:27,807 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:43:27,807 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 12:43:27,807 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:43:27,807 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 250 states. [2025-04-14 12:43:27,807 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:43:27,807 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:43:28,520 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:28,521 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:28,521 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:43:28,521 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:43:28,521 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:43:28,521 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:43:28,521 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:43:28,521 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:28,521 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:43:28,521 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:43:28,521 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:28,521 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-14 12:43:28,521 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 12:43:28,521 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:43:28,521 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:43:28,521 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 12:43:28,521 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:43:28,521 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 250 states. [2025-04-14 12:43:28,521 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:43:28,523 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-14 12:43:28,539 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-04-14 12:43:28,724 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,SelfDestructingSolverStorable53 [2025-04-14 12:43:28,724 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 12:43:28,724 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:43:28,725 INFO L139 ounterexampleChecker]: Examining path program with hash 1520571140, occurence #2 [2025-04-14 12:43:28,725 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:43:28,725 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:43:28,725 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:43:28,725 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-14 12:43:28,725 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:43:28,725 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 12:43:28,725 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:43:28,725 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-14 12:43:28,725 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:43:28,725 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-04-14 12:43:28,725 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:43:28,725 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 297 [2025-04-14 12:43:28,725 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:43:28,725 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 300 [2025-04-14 12:43:28,740 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:43:28,740 INFO L85 PathProgramCache]: Analyzing trace with hash 437518794, now seen corresponding path program 1 times [2025-04-14 12:43:28,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:43:28,740 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730421636] [2025-04-14 12:43:28,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:43:28,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:43:28,770 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 301 statements into 1 equivalence classes. [2025-04-14 12:43:28,837 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 301 of 301 statements. [2025-04-14 12:43:28,837 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:43:28,837 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:43:29,954 INFO L134 CoverageAnalysis]: Checked inductivity of 973 backedges. 405 proven. 354 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2025-04-14 12:43:29,954 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:43:29,954 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730421636] [2025-04-14 12:43:29,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730421636] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:43:29,954 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1166986580] [2025-04-14 12:43:29,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:43:29,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:43:29,983 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 301 statements into 1 equivalence classes. [2025-04-14 12:43:30,065 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 301 of 301 statements. [2025-04-14 12:43:30,065 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:43:30,065 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:43:30,070 INFO L256 TraceCheckSpWp]: Trace formula consists of 1315 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-04-14 12:43:30,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:43:30,947 INFO L134 CoverageAnalysis]: Checked inductivity of 973 backedges. 681 proven. 78 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2025-04-14 12:43:30,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1166986580] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:43:30,947 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:43:30,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 53 [2025-04-14 12:43:30,948 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:43:30,948 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 305 [2025-04-14 12:43:30,979 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:43:30,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1998339435, now seen corresponding path program 1 times [2025-04-14 12:43:30,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:43:30,979 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105930363] [2025-04-14 12:43:30,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:43:30,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:43:31,008 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 306 statements into 1 equivalence classes. [2025-04-14 12:43:31,124 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 306 of 306 statements. [2025-04-14 12:43:31,125 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:43:31,125 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:43:32,199 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 405 proven. 354 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2025-04-14 12:43:32,199 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:43:32,199 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105930363] [2025-04-14 12:43:32,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105930363] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:43:32,200 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [616607569] [2025-04-14 12:43:32,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:43:32,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:43:32,229 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 306 statements into 1 equivalence classes. [2025-04-14 12:43:32,315 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 306 of 306 statements. [2025-04-14 12:43:32,315 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:43:32,315 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:43:32,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 1330 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-04-14 12:43:32,324 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:43:33,167 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 681 proven. 78 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2025-04-14 12:43:33,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [616607569] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:43:33,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:43:33,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 53 [2025-04-14 12:43:33,168 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:43:33,168 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 308 [2025-04-14 12:43:33,168 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:43:33,168 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 310 [2025-04-14 12:43:33,195 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:43:33,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1581483293, now seen corresponding path program 1 times [2025-04-14 12:43:33,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:43:33,195 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447851886] [2025-04-14 12:43:33,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:43:33,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:43:33,225 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 311 statements into 1 equivalence classes. [2025-04-14 12:43:33,297 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 311 of 311 statements. [2025-04-14 12:43:33,298 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:43:33,298 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:43:34,596 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 405 proven. 354 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2025-04-14 12:43:34,597 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:43:34,597 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447851886] [2025-04-14 12:43:34,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447851886] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:43:34,597 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1994915901] [2025-04-14 12:43:34,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:43:34,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:43:34,628 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 311 statements into 1 equivalence classes. [2025-04-14 12:43:34,718 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 311 of 311 statements. [2025-04-14 12:43:34,718 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:43:34,718 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:43:34,723 INFO L256 TraceCheckSpWp]: Trace formula consists of 1348 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-04-14 12:43:34,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:43:35,575 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 681 proven. 78 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2025-04-14 12:43:35,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1994915901] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:43:35,575 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:43:35,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 53 [2025-04-14 12:43:35,576 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:43:35,576 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 321 [2025-04-14 12:43:35,576 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:43:35,576 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:43:35,576 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:43:35,576 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:43:35,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1800247759, now seen corresponding path program 18 times [2025-04-14 12:43:35,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:43:35,576 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362746238] [2025-04-14 12:43:35,576 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 12:43:35,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:43:35,608 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 325 statements into 10 equivalence classes. [2025-04-14 12:43:35,697 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 161 of 325 statements. [2025-04-14 12:43:35,697 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-04-14 12:43:35,697 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:43:35,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 892 trivial. 0 not checked. [2025-04-14 12:43:35,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:43:35,967 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362746238] [2025-04-14 12:43:35,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362746238] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 12:43:35,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 12:43:35,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-14 12:43:35,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184159340] [2025-04-14 12:43:35,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 12:43:35,968 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-14 12:43:35,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:43:35,968 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-14 12:43:35,968 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-04-14 12:43:35,968 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:43:35,968 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:43:35,968 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:43:35,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:35,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:35,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:43:35,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:43:35,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:43:35,969 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:43:35,969 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:43:35,969 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:35,969 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:43:35,969 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:43:35,969 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:35,969 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-14 12:43:35,969 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 12:43:35,969 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:43:35,969 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:43:35,969 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 12:43:35,969 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:43:35,969 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 250 states. [2025-04-14 12:43:35,969 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:43:35,969 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-14 12:43:35,969 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:43:39,293 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:39,293 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:39,293 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:43:39,293 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:43:39,293 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:43:39,293 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:43:39,293 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:43:39,293 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:39,293 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:43:39,293 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:43:39,293 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:39,293 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-14 12:43:39,293 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 12:43:39,293 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:43:39,293 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:43:39,293 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 12:43:39,293 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:43:39,294 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 309 states. [2025-04-14 12:43:39,294 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:43:39,294 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-14 12:43:39,294 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:43:39,294 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,SelfDestructingSolverStorable54,SelfDestructingSolverStorable55,SelfDestructingSolverStorable56,SelfDestructingSolverStorable57,SelfDestructingSolverStorable58,SelfDestructingSolverStorable59 [2025-04-14 12:43:39,294 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 12:43:39,294 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:43:39,295 INFO L139 ounterexampleChecker]: Examining path program with hash 981654231, occurence #1 [2025-04-14 12:43:39,295 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:43:39,295 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:43:39,295 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:43:39,295 INFO L85 PathProgramCache]: Analyzing trace with hash 366496970, now seen corresponding path program 19 times [2025-04-14 12:43:39,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:43:39,295 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042691696] [2025-04-14 12:43:39,295 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 12:43:39,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:43:39,356 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 739 statements into 1 equivalence classes. [2025-04-14 12:43:39,690 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 739 of 739 statements. [2025-04-14 12:43:39,690 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:43:39,690 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:43:42,362 INFO L134 CoverageAnalysis]: Checked inductivity of 4598 backedges. 83 proven. 582 refuted. 0 times theorem prover too weak. 3933 trivial. 0 not checked. [2025-04-14 12:43:42,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:43:42,362 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042691696] [2025-04-14 12:43:42,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042691696] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:43:42,362 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1025769872] [2025-04-14 12:43:42,362 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 12:43:42,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:43:42,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:43:42,364 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 12:43:42,365 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 12:43:42,766 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 739 statements into 1 equivalence classes. [2025-04-14 12:43:43,018 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 739 of 739 statements. [2025-04-14 12:43:43,018 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:43:43,018 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:43:43,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 2846 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-04-14 12:43:43,038 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:43:43,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4598 backedges. 2554 proven. 78 refuted. 0 times theorem prover too weak. 1966 trivial. 0 not checked. [2025-04-14 12:43:43,901 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:43:44,743 INFO L134 CoverageAnalysis]: Checked inductivity of 4598 backedges. 2359 proven. 273 refuted. 0 times theorem prover too weak. 1966 trivial. 0 not checked. [2025-04-14 12:43:44,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1025769872] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:43:44,743 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:43:44,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28, 28] total 78 [2025-04-14 12:43:44,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031649246] [2025-04-14 12:43:44,744 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:43:44,744 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2025-04-14 12:43:44,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:43:44,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2025-04-14 12:43:44,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1262, Invalid=4744, Unknown=0, NotChecked=0, Total=6006 [2025-04-14 12:43:44,746 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:43:44,747 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:43:44,747 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 6.833333333333333) internal successors, (533), 78 states have internal predecessors, (533), 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 12:43:44,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:44,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:44,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:43:44,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:43:44,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:43:44,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:43:44,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:43:44,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:44,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:43:44,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:43:44,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:44,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-14 12:43:44,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 12:43:44,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:43:44,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:43:44,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 12:43:44,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:43:44,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 309 states. [2025-04-14 12:43:44,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:43:44,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-14 12:43:44,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:43:44,747 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:43:45,719 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:45,720 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:45,720 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:43:45,720 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:43:45,720 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:43:45,720 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:43:45,720 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:43:45,720 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:45,720 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:43:45,720 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:43:45,720 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:43:45,720 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-14 12:43:45,720 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 12:43:45,720 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:43:45,720 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:43:45,720 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 12:43:45,720 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:43:45,720 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 309 states. [2025-04-14 12:43:45,720 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:43:45,720 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-14 12:43:45,720 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:43:45,720 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-14 12:43:45,732 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 12:43:45,921 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:43:45,921 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 12:43:45,921 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:43:45,921 INFO L139 ounterexampleChecker]: Examining path program with hash 981654231, occurence #2 [2025-04-14 12:43:45,922 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:43:45,922 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:43:45,922 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:43:45,922 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-04-14 12:43:45,922 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:43:45,922 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 12:43:45,922 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:43:45,922 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-04-14 12:43:45,922 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:43:45,922 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-04-14 12:43:45,922 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:43:45,922 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 532 [2025-04-14 12:43:45,967 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:43:45,968 INFO L85 PathProgramCache]: Analyzing trace with hash 691452501, now seen corresponding path program 1 times [2025-04-14 12:43:45,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:43:45,968 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116934632] [2025-04-14 12:43:45,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:43:45,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:43:46,014 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 533 statements into 1 equivalence classes. [2025-04-14 12:43:46,222 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 533 of 533 statements. [2025-04-14 12:43:46,222 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:43:46,222 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:43:48,283 INFO L134 CoverageAnalysis]: Checked inductivity of 3975 backedges. 386 proven. 1896 refuted. 0 times theorem prover too weak. 1693 trivial. 0 not checked. [2025-04-14 12:43:48,283 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:43:48,283 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116934632] [2025-04-14 12:43:48,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116934632] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:43:48,284 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [562726440] [2025-04-14 12:43:48,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:43:48,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:43:48,331 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 533 statements into 1 equivalence classes. [2025-04-14 12:43:48,556 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 533 of 533 statements. [2025-04-14 12:43:48,556 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:43:48,556 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:43:48,566 INFO L256 TraceCheckSpWp]: Trace formula consists of 2108 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-04-14 12:43:48,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:43:49,819 INFO L134 CoverageAnalysis]: Checked inductivity of 3975 backedges. 2177 proven. 105 refuted. 0 times theorem prover too weak. 1693 trivial. 0 not checked. [2025-04-14 12:43:49,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [562726440] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:43:49,819 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:43:49,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 59 [2025-04-14 12:43:49,820 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:43:49,820 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 534 [2025-04-14 12:43:49,836 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:43:49,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1235239470, now seen corresponding path program 1 times [2025-04-14 12:43:49,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:43:49,836 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113548810] [2025-04-14 12:43:49,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:43:49,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:43:49,884 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 535 statements into 1 equivalence classes. [2025-04-14 12:43:50,084 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 535 of 535 statements. [2025-04-14 12:43:50,084 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:43:50,084 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:43:52,206 INFO L134 CoverageAnalysis]: Checked inductivity of 3975 backedges. 386 proven. 1896 refuted. 0 times theorem prover too weak. 1693 trivial. 0 not checked. [2025-04-14 12:43:52,206 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:43:52,206 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113548810] [2025-04-14 12:43:52,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113548810] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:43:52,206 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [942222174] [2025-04-14 12:43:52,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:43:52,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:43:52,252 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 535 statements into 1 equivalence classes. [2025-04-14 12:43:52,471 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 535 of 535 statements. [2025-04-14 12:43:52,471 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:43:52,471 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:43:52,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 2122 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-04-14 12:43:52,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:43:53,549 INFO L134 CoverageAnalysis]: Checked inductivity of 3975 backedges. 2177 proven. 105 refuted. 0 times theorem prover too weak. 1693 trivial. 0 not checked. [2025-04-14 12:43:53,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [942222174] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:43:53,549 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:43:53,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 60 [2025-04-14 12:43:53,550 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:43:53,550 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 541 [2025-04-14 12:43:53,576 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:43:53,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1146049701, now seen corresponding path program 1 times [2025-04-14 12:43:53,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:43:53,576 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513671023] [2025-04-14 12:43:53,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:43:53,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:43:53,623 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 542 statements into 1 equivalence classes. [2025-04-14 12:43:53,818 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 542 of 542 statements. [2025-04-14 12:43:53,818 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:43:53,818 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:43:56,063 INFO L134 CoverageAnalysis]: Checked inductivity of 3981 backedges. 392 proven. 1896 refuted. 0 times theorem prover too weak. 1693 trivial. 0 not checked. [2025-04-14 12:43:56,063 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:43:56,064 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513671023] [2025-04-14 12:43:56,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513671023] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:43:56,064 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1080575982] [2025-04-14 12:43:56,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:43:56,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:43:56,119 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 542 statements into 1 equivalence classes. [2025-04-14 12:43:56,337 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 542 of 542 statements. [2025-04-14 12:43:56,338 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:43:56,338 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:43:56,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 2147 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-04-14 12:43:56,351 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:43:57,597 INFO L134 CoverageAnalysis]: Checked inductivity of 3981 backedges. 2183 proven. 105 refuted. 0 times theorem prover too weak. 1693 trivial. 0 not checked. [2025-04-14 12:43:57,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1080575982] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:43:57,598 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:43:57,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31] total 60 [2025-04-14 12:43:57,598 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:43:57,598 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 613 [2025-04-14 12:43:57,598 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:43:57,598 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 615 is hopeless, skipping. [2025-04-14 12:43:57,598 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 617 is hopeless, skipping. [2025-04-14 12:43:57,598 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 631 [2025-04-14 12:43:57,630 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:43:57,630 INFO L85 PathProgramCache]: Analyzing trace with hash -504336133, now seen corresponding path program 1 times [2025-04-14 12:43:57,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:43:57,630 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343099868] [2025-04-14 12:43:57,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:43:57,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:43:57,685 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 632 statements into 1 equivalence classes. [2025-04-14 12:43:57,948 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 632 of 632 statements. [2025-04-14 12:43:57,948 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:43:57,949 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:44:00,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4499 backedges. 149 proven. 1367 refuted. 0 times theorem prover too weak. 2983 trivial. 0 not checked. [2025-04-14 12:44:00,578 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:44:00,578 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343099868] [2025-04-14 12:44:00,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343099868] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:44:00,578 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1789799585] [2025-04-14 12:44:00,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:44:00,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:44:00,633 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 632 statements into 1 equivalence classes. [2025-04-14 12:44:00,923 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 632 of 632 statements. [2025-04-14 12:44:00,923 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:44:00,923 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:44:00,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 2457 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-04-14 12:44:00,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:44:02,121 INFO L134 CoverageAnalysis]: Checked inductivity of 4499 backedges. 1425 proven. 91 refuted. 0 times theorem prover too weak. 2983 trivial. 0 not checked. [2025-04-14 12:44:02,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1789799585] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:44:02,121 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:44:02,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 57 [2025-04-14 12:44:02,122 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:44:02,122 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 706 [2025-04-14 12:44:02,148 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:44:02,148 INFO L85 PathProgramCache]: Analyzing trace with hash 550444053, now seen corresponding path program 1 times [2025-04-14 12:44:02,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:44:02,148 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750566968] [2025-04-14 12:44:02,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:44:02,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:44:02,210 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 707 statements into 1 equivalence classes. [2025-04-14 12:44:02,587 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 707 of 707 statements. [2025-04-14 12:44:02,587 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:44:02,588 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:44:05,262 INFO L134 CoverageAnalysis]: Checked inductivity of 4591 backedges. 86 proven. 613 refuted. 0 times theorem prover too weak. 3892 trivial. 0 not checked. [2025-04-14 12:44:05,262 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:44:05,262 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750566968] [2025-04-14 12:44:05,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750566968] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:44:05,262 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1512009828] [2025-04-14 12:44:05,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:44:05,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:44:05,322 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 707 statements into 1 equivalence classes. [2025-04-14 12:44:05,661 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 707 of 707 statements. [2025-04-14 12:44:05,661 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:44:05,661 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:44:05,673 INFO L256 TraceCheckSpWp]: Trace formula consists of 2741 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-04-14 12:44:05,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:44:06,838 INFO L134 CoverageAnalysis]: Checked inductivity of 4591 backedges. 608 proven. 91 refuted. 0 times theorem prover too weak. 3892 trivial. 0 not checked. [2025-04-14 12:44:06,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1512009828] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:44:06,839 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:44:06,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 57 [2025-04-14 12:44:06,839 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:44:06,839 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 717 [2025-04-14 12:44:06,854 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:44:06,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1023093139, now seen corresponding path program 1 times [2025-04-14 12:44:06,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:44:06,855 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92327933] [2025-04-14 12:44:06,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:44:06,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:44:06,919 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 718 statements into 1 equivalence classes. [2025-04-14 12:44:07,368 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 718 of 718 statements. [2025-04-14 12:44:07,368 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:44:07,368 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:44:10,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4592 backedges. 86 proven. 613 refuted. 0 times theorem prover too weak. 3893 trivial. 0 not checked. [2025-04-14 12:44:10,174 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:44:10,174 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92327933] [2025-04-14 12:44:10,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92327933] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:44:10,175 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1810244387] [2025-04-14 12:44:10,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:44:10,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:44:10,237 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 718 statements into 1 equivalence classes. [2025-04-14 12:44:10,571 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 718 of 718 statements. [2025-04-14 12:44:10,571 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:44:10,571 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:44:10,584 INFO L256 TraceCheckSpWp]: Trace formula consists of 2780 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-04-14 12:44:10,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:44:11,748 INFO L134 CoverageAnalysis]: Checked inductivity of 4592 backedges. 608 proven. 91 refuted. 0 times theorem prover too weak. 3893 trivial. 0 not checked. [2025-04-14 12:44:11,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1810244387] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:44:11,749 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:44:11,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30] total 57 [2025-04-14 12:44:11,749 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:44:11,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 724 [2025-04-14 12:44:11,749 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:44:11,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 728 [2025-04-14 12:44:11,749 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:44:11,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 732 [2025-04-14 12:44:11,749 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:44:11,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 734 [2025-04-14 12:44:11,749 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:44:11,749 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:44:11,749 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:44:11,750 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:44:11,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1363136951, now seen corresponding path program 20 times [2025-04-14 12:44:11,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:44:11,750 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920019985] [2025-04-14 12:44:11,750 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 12:44:11,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:44:11,813 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 740 statements into 2 equivalence classes. [2025-04-14 12:44:12,233 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 740 of 740 statements. [2025-04-14 12:44:12,234 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 12:44:12,234 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:44:15,387 INFO L134 CoverageAnalysis]: Checked inductivity of 4611 backedges. 99 proven. 625 refuted. 0 times theorem prover too weak. 3887 trivial. 0 not checked. [2025-04-14 12:44:15,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:44:15,387 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920019985] [2025-04-14 12:44:15,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920019985] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:44:15,387 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1569346179] [2025-04-14 12:44:15,388 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 12:44:15,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:44:15,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:44:15,389 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 12:44:15,390 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 12:44:15,928 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 740 statements into 2 equivalence classes. [2025-04-14 12:44:16,170 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 740 of 740 statements. [2025-04-14 12:44:16,170 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 12:44:16,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:44:16,183 INFO L256 TraceCheckSpWp]: Trace formula consists of 2855 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-04-14 12:44:16,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:44:17,075 INFO L134 CoverageAnalysis]: Checked inductivity of 4611 backedges. 2575 proven. 91 refuted. 0 times theorem prover too weak. 1945 trivial. 0 not checked. [2025-04-14 12:44:17,075 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:44:18,065 INFO L134 CoverageAnalysis]: Checked inductivity of 4611 backedges. 2461 proven. 205 refuted. 0 times theorem prover too weak. 1945 trivial. 0 not checked. [2025-04-14 12:44:18,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1569346179] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:44:18,065 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:44:18,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 30, 30] total 88 [2025-04-14 12:44:18,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898869664] [2025-04-14 12:44:18,065 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:44:18,066 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2025-04-14 12:44:18,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:44:18,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2025-04-14 12:44:18,068 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1114, Invalid=6542, Unknown=0, NotChecked=0, Total=7656 [2025-04-14 12:44:18,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:44:18,069 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:44:18,069 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 6.988636363636363) internal successors, (615), 88 states have internal predecessors, (615), 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 12:44:18,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:44:18,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:44:18,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:44:18,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:44:18,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:44:18,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:44:18,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:44:18,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:44:18,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:44:18,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:44:18,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:44:18,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-14 12:44:18,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 12:44:18,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:44:18,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:44:18,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 12:44:18,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:44:18,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 309 states. [2025-04-14 12:44:18,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:44:18,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-14 12:44:18,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:44:18,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-14 12:44:18,069 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:44:18,894 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:44:18,894 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:44:18,894 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:44:18,894 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:44:18,894 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:44:18,894 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:44:18,895 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:44:18,895 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:44:18,895 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:44:18,895 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:44:18,895 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:44:18,895 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-14 12:44:18,895 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 12:44:18,895 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:44:18,895 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:44:18,895 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 12:44:18,895 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:44:18,895 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 309 states. [2025-04-14 12:44:18,895 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:44:18,895 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-14 12:44:18,895 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:44:18,895 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-14 12:44:18,895 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-14 12:44:18,907 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 12:44:19,095 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,SelfDestructingSolverStorable71,SelfDestructingSolverStorable72,SelfDestructingSolverStorable62,SelfDestructingSolverStorable73,SelfDestructingSolverStorable63,SelfDestructingSolverStorable74,SelfDestructingSolverStorable64,SelfDestructingSolverStorable65,SelfDestructingSolverStorable66,SelfDestructingSolverStorable67,SelfDestructingSolverStorable68,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2025-04-14 12:44:19,096 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 12:44:19,096 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:44:19,096 INFO L139 ounterexampleChecker]: Examining path program with hash 981654231, occurence #3 [2025-04-14 12:44:19,096 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:44:19,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:44:19,097 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:44:19,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-14 12:44:19,097 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:44:19,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-14 12:44:19,097 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:44:19,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-14 12:44:19,097 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:44:19,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2025-04-14 12:44:19,097 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:44:19,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 534 [2025-04-14 12:44:19,184 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:44:19,185 INFO L85 PathProgramCache]: Analyzing trace with hash 256897055, now seen corresponding path program 1 times [2025-04-14 12:44:19,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:44:19,185 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839815291] [2025-04-14 12:44:19,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:44:19,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:44:19,233 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 535 statements into 1 equivalence classes. [2025-04-14 12:44:19,435 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 535 of 535 statements. [2025-04-14 12:44:19,435 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:44:19,435 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:44:21,664 INFO L134 CoverageAnalysis]: Checked inductivity of 4004 backedges. 496 proven. 2005 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2025-04-14 12:44:21,664 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:44:21,664 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839815291] [2025-04-14 12:44:21,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839815291] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:44:21,664 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [407674714] [2025-04-14 12:44:21,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:44:21,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:44:21,713 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 535 statements into 1 equivalence classes. [2025-04-14 12:44:21,935 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 535 of 535 statements. [2025-04-14 12:44:21,935 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:44:21,936 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:44:21,945 INFO L256 TraceCheckSpWp]: Trace formula consists of 2126 conjuncts, 36 conjuncts are in the unsatisfiable core [2025-04-14 12:44:21,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:44:23,292 INFO L134 CoverageAnalysis]: Checked inductivity of 4004 backedges. 2381 proven. 120 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2025-04-14 12:44:23,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [407674714] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:44:23,292 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:44:23,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 63 [2025-04-14 12:44:23,292 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:44:23,292 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 536 [2025-04-14 12:44:23,306 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:44:23,306 INFO L85 PathProgramCache]: Analyzing trace with hash 2063754652, now seen corresponding path program 1 times [2025-04-14 12:44:23,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:44:23,306 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950853919] [2025-04-14 12:44:23,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:44:23,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:44:23,355 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 537 statements into 1 equivalence classes. [2025-04-14 12:44:23,549 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 537 of 537 statements. [2025-04-14 12:44:23,549 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:44:23,549 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:44:25,854 INFO L134 CoverageAnalysis]: Checked inductivity of 4004 backedges. 496 proven. 2005 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2025-04-14 12:44:25,854 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:44:25,854 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950853919] [2025-04-14 12:44:25,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950853919] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:44:25,854 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [800468153] [2025-04-14 12:44:25,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:44:25,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:44:25,904 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 537 statements into 1 equivalence classes. [2025-04-14 12:44:26,120 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 537 of 537 statements. [2025-04-14 12:44:26,120 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:44:26,120 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:44:26,129 INFO L256 TraceCheckSpWp]: Trace formula consists of 2140 conjuncts, 36 conjuncts are in the unsatisfiable core [2025-04-14 12:44:26,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:44:27,478 INFO L134 CoverageAnalysis]: Checked inductivity of 4004 backedges. 2381 proven. 120 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2025-04-14 12:44:27,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [800468153] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:44:27,479 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:44:27,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 64 [2025-04-14 12:44:27,479 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:44:27,479 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 543 [2025-04-14 12:44:27,508 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:44:27,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1793877173, now seen corresponding path program 1 times [2025-04-14 12:44:27,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:44:27,509 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489715678] [2025-04-14 12:44:27,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:44:27,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:44:27,559 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 544 statements into 1 equivalence classes. [2025-04-14 12:44:27,765 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 544 of 544 statements. [2025-04-14 12:44:27,765 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:44:27,765 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:44:30,013 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 502 proven. 2005 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2025-04-14 12:44:30,014 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:44:30,014 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489715678] [2025-04-14 12:44:30,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489715678] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:44:30,014 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2047475232] [2025-04-14 12:44:30,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:44:30,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:44:30,064 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 544 statements into 1 equivalence classes. [2025-04-14 12:44:30,358 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 544 of 544 statements. [2025-04-14 12:44:30,359 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:44:30,359 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:44:30,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 2165 conjuncts, 36 conjuncts are in the unsatisfiable core [2025-04-14 12:44:30,369 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:44:31,498 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2387 proven. 120 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2025-04-14 12:44:31,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2047475232] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:44:31,498 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:44:31,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 64 [2025-04-14 12:44:31,498 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:44:31,498 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 615 [2025-04-14 12:44:31,498 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:44:31,498 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 617 is hopeless, skipping. [2025-04-14 12:44:31,499 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 619 is hopeless, skipping. [2025-04-14 12:44:31,499 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 633 [2025-04-14 12:44:31,532 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:44:31,532 INFO L85 PathProgramCache]: Analyzing trace with hash -835362731, now seen corresponding path program 1 times [2025-04-14 12:44:31,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:44:31,532 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786514138] [2025-04-14 12:44:31,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:44:31,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:44:31,592 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 634 statements into 1 equivalence classes. [2025-04-14 12:44:31,873 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 634 of 634 statements. [2025-04-14 12:44:31,873 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:44:31,873 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:44:34,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4528 backedges. 181 proven. 1511 refuted. 0 times theorem prover too weak. 2836 trivial. 0 not checked. [2025-04-14 12:44:34,589 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:44:34,590 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786514138] [2025-04-14 12:44:34,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786514138] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:44:34,590 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [636485436] [2025-04-14 12:44:34,590 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:44:34,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:44:34,646 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 634 statements into 1 equivalence classes. [2025-04-14 12:44:34,929 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 634 of 634 statements. [2025-04-14 12:44:34,930 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:44:34,930 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:44:34,943 INFO L256 TraceCheckSpWp]: Trace formula consists of 2475 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-04-14 12:44:34,947 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:44:36,223 INFO L134 CoverageAnalysis]: Checked inductivity of 4528 backedges. 1587 proven. 105 refuted. 0 times theorem prover too weak. 2836 trivial. 0 not checked. [2025-04-14 12:44:36,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [636485436] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:44:36,224 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:44:36,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 61 [2025-04-14 12:44:36,224 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:44:36,224 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 708 [2025-04-14 12:44:36,250 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:44:36,250 INFO L85 PathProgramCache]: Analyzing trace with hash -68448289, now seen corresponding path program 1 times [2025-04-14 12:44:36,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:44:36,250 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223564399] [2025-04-14 12:44:36,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:44:36,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:44:36,317 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 709 statements into 1 equivalence classes. [2025-04-14 12:44:36,636 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 709 of 709 statements. [2025-04-14 12:44:36,636 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:44:36,636 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:44:39,508 INFO L134 CoverageAnalysis]: Checked inductivity of 4620 backedges. 91 proven. 627 refuted. 0 times theorem prover too weak. 3902 trivial. 0 not checked. [2025-04-14 12:44:39,508 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:44:39,508 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223564399] [2025-04-14 12:44:39,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223564399] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:44:39,508 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1474911522] [2025-04-14 12:44:39,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:44:39,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:44:39,570 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 709 statements into 1 equivalence classes. [2025-04-14 12:44:39,992 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 709 of 709 statements. [2025-04-14 12:44:39,993 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:44:39,993 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:44:40,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 2759 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-04-14 12:44:40,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:44:41,251 INFO L134 CoverageAnalysis]: Checked inductivity of 4620 backedges. 613 proven. 105 refuted. 0 times theorem prover too weak. 3902 trivial. 0 not checked. [2025-04-14 12:44:41,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1474911522] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:44:41,251 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:44:41,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 61 [2025-04-14 12:44:41,251 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:44:41,251 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 719 [2025-04-14 12:44:41,265 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:44:41,265 INFO L85 PathProgramCache]: Analyzing trace with hash -313019667, now seen corresponding path program 1 times [2025-04-14 12:44:41,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:44:41,265 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27356259] [2025-04-14 12:44:41,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:44:41,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:44:41,328 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 720 statements into 1 equivalence classes. [2025-04-14 12:44:41,634 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 720 of 720 statements. [2025-04-14 12:44:41,634 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:44:41,634 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:44:44,618 INFO L134 CoverageAnalysis]: Checked inductivity of 4621 backedges. 91 proven. 627 refuted. 0 times theorem prover too weak. 3903 trivial. 0 not checked. [2025-04-14 12:44:44,618 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:44:44,618 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27356259] [2025-04-14 12:44:44,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27356259] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:44:44,619 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1758722795] [2025-04-14 12:44:44,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:44:44,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:44:44,682 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 720 statements into 1 equivalence classes. [2025-04-14 12:44:45,021 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 720 of 720 statements. [2025-04-14 12:44:45,021 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:44:45,021 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:44:45,035 INFO L256 TraceCheckSpWp]: Trace formula consists of 2798 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-04-14 12:44:45,040 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:44:46,266 INFO L134 CoverageAnalysis]: Checked inductivity of 4621 backedges. 613 proven. 105 refuted. 0 times theorem prover too weak. 3903 trivial. 0 not checked. [2025-04-14 12:44:46,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1758722795] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:44:46,266 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:44:46,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 61 [2025-04-14 12:44:46,266 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:44:46,266 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 726 [2025-04-14 12:44:46,266 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:44:46,266 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 730 [2025-04-14 12:44:46,266 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:44:46,266 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 734 [2025-04-14 12:44:46,266 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:44:46,266 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 736 [2025-04-14 12:44:46,266 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:44:46,266 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:44:46,266 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:44:46,267 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:44:46,267 INFO L85 PathProgramCache]: Analyzing trace with hash -619507311, now seen corresponding path program 21 times [2025-04-14 12:44:46,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:44:46,267 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154766107] [2025-04-14 12:44:46,267 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 12:44:46,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:44:46,331 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 742 statements into 23 equivalence classes. [2025-04-14 12:44:46,397 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 128 of 742 statements. [2025-04-14 12:44:46,397 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-14 12:44:46,397 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:44:46,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4640 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 4635 trivial. 0 not checked. [2025-04-14 12:44:46,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:44:46,697 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154766107] [2025-04-14 12:44:46,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154766107] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:44:46,697 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975697966] [2025-04-14 12:44:46,697 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 12:44:46,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:44:46,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:44:46,699 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 12:44:46,700 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 12:44:47,364 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 742 statements into 23 equivalence classes. [2025-04-14 12:44:47,416 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 128 of 742 statements. [2025-04-14 12:44:47,416 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-14 12:44:47,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:44:47,420 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-04-14 12:44:47,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:44:48,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4640 backedges. 22 proven. 41 refuted. 0 times theorem prover too weak. 4577 trivial. 0 not checked. [2025-04-14 12:44:48,625 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:44:48,687 INFO L134 CoverageAnalysis]: Checked inductivity of 4640 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4633 trivial. 0 not checked. [2025-04-14 12:44:48,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975697966] provided 1 perfect and 1 imperfect interpolant sequences [2025-04-14 12:44:48,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:44:48,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5, 14] total 22 [2025-04-14 12:44:48,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850159404] [2025-04-14 12:44:48,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 12:44:48,688 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-14 12:44:48,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:44:48,688 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-14 12:44:48,688 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=385, Unknown=0, NotChecked=0, Total=462 [2025-04-14 12:44:48,688 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:44:48,688 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:44:48,688 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:44:48,688 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:44:48,688 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:44:48,688 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:44:48,688 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:44:48,688 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:44:48,688 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:44:48,688 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:44:48,688 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:44:48,688 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:44:48,688 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:44:48,689 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:44:48,689 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-14 12:44:48,689 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 12:44:48,689 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:44:48,689 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:44:48,689 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 12:44:48,689 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:44:48,689 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 309 states. [2025-04-14 12:44:48,689 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:44:48,689 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-14 12:44:48,689 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:44:48,689 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-14 12:44:48,689 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-14 12:44:48,689 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:44:49,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:44:49,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:44:49,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:44:49,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:44:49,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:44:49,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:44:49,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:44:49,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:44:49,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:44:49,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:44:49,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:44:49,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-14 12:44:49,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 12:44:49,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:44:49,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:44:49,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 12:44:49,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:44:49,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 309 states. [2025-04-14 12:44:49,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:44:49,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-14 12:44:49,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:44:49,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-14 12:44:49,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-14 12:44:49,466 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:44:49,475 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 12:44:49,667 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,SelfDestructingSolverStorable81,SelfDestructingSolverStorable82,SelfDestructingSolverStorable83,SelfDestructingSolverStorable84,SelfDestructingSolverStorable85,SelfDestructingSolverStorable75,SelfDestructingSolverStorable86,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable76,SelfDestructingSolverStorable87,SelfDestructingSolverStorable77,SelfDestructingSolverStorable78,SelfDestructingSolverStorable79 [2025-04-14 12:44:49,667 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 12:44:49,667 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:44:49,668 INFO L139 ounterexampleChecker]: Examining path program with hash -1063384226, occurence #1 [2025-04-14 12:44:49,668 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:44:49,668 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:44:49,668 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:44:49,668 INFO L85 PathProgramCache]: Analyzing trace with hash 488150874, now seen corresponding path program 22 times [2025-04-14 12:44:49,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:44:49,668 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136385420] [2025-04-14 12:44:49,668 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 12:44:49,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:44:49,733 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 730 statements into 2 equivalence classes. [2025-04-14 12:44:50,163 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 730 of 730 statements. [2025-04-14 12:44:50,164 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 12:44:50,164 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:44:56,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4625 backedges. 4333 proven. 165 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2025-04-14 12:44:56,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:44:56,745 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136385420] [2025-04-14 12:44:56,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136385420] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:44:56,745 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408180022] [2025-04-14 12:44:56,745 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 12:44:56,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:44:56,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:44:56,747 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 12:44:56,748 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 12:44:57,428 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 730 statements into 2 equivalence classes. [2025-04-14 12:44:57,693 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 730 of 730 statements. [2025-04-14 12:44:57,693 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 12:44:57,693 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:44:57,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 2843 conjuncts, 58 conjuncts are in the unsatisfiable core [2025-04-14 12:44:57,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:45:03,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4625 backedges. 4271 proven. 120 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2025-04-14 12:45:03,420 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:45:07,527 INFO L325 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2025-04-14 12:45:07,527 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2025-04-14 12:45:08,525 INFO L134 CoverageAnalysis]: Checked inductivity of 4625 backedges. 4134 proven. 257 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2025-04-14 12:45:08,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408180022] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:45:08,526 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:45:08,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 51, 51] total 164 [2025-04-14 12:45:08,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900075370] [2025-04-14 12:45:08,526 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:45:08,527 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 165 states [2025-04-14 12:45:08,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:45:08,529 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 165 interpolants. [2025-04-14 12:45:08,533 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7058, Invalid=20002, Unknown=0, NotChecked=0, Total=27060 [2025-04-14 12:45:08,533 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:45:08,533 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:45:08,534 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 165 states, 165 states have (on average 9.363636363636363) internal successors, (1545), 164 states have internal predecessors, (1545), 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 12:45:08,534 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:45:08,534 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:45:08,534 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:45:08,534 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:45:08,534 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:45:08,534 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:45:08,534 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:45:08,534 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:45:08,534 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:45:08,534 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:45:08,534 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:45:08,534 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-14 12:45:08,534 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 12:45:08,534 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:45:08,534 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:45:08,534 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 12:45:08,534 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:45:08,534 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 309 states. [2025-04-14 12:45:08,534 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:45:08,534 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-14 12:45:08,534 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:45:08,534 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-14 12:45:08,534 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-14 12:45:08,534 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:45:08,534 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:45:09,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:45:09,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:45:09,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:45:09,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:45:09,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:45:09,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:45:09,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:45:09,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:45:09,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:45:09,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:45:09,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:45:09,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-14 12:45:09,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-14 12:45:09,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:45:09,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:45:09,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 12:45:09,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:45:09,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 309 states. [2025-04-14 12:45:09,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:45:09,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-14 12:45:09,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:45:09,430 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-04-14 12:45:09,431 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-14 12:45:09,431 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:45:09,431 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-14 12:45:09,444 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-04-14 12:45:09,631 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:45:09,631 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 12:45:09,631 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:45:09,632 INFO L139 ounterexampleChecker]: Examining path program with hash -1063384226, occurence #2 [2025-04-14 12:45:09,632 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:45:09,632 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:45:09,632 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:45:09,632 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2025-04-14 12:45:09,632 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:45:09,632 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-14 12:45:09,632 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:45:09,632 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-14 12:45:09,632 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:45:09,632 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-04-14 12:45:09,632 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:45:09,632 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 551 [2025-04-14 12:45:09,681 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:45:09,682 INFO L85 PathProgramCache]: Analyzing trace with hash 954209888, now seen corresponding path program 1 times [2025-04-14 12:45:09,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:45:09,682 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221607935] [2025-04-14 12:45:09,682 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:45:09,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:45:09,736 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 552 statements into 1 equivalence classes. [2025-04-14 12:45:09,954 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 552 of 552 statements. [2025-04-14 12:45:09,954 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:45:09,954 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:45:14,751 INFO L134 CoverageAnalysis]: Checked inductivity of 4412 backedges. 2957 proven. 1313 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2025-04-14 12:45:14,751 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:45:14,751 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221607935] [2025-04-14 12:45:14,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221607935] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:45:14,751 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1316236544] [2025-04-14 12:45:14,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:45:14,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:45:14,805 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 552 statements into 1 equivalence classes. [2025-04-14 12:45:15,055 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 552 of 552 statements. [2025-04-14 12:45:15,056 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:45:15,056 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:45:15,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 2279 conjuncts, 70 conjuncts are in the unsatisfiable core [2025-04-14 12:45:15,071 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:45:18,757 INFO L134 CoverageAnalysis]: Checked inductivity of 4412 backedges. 3742 proven. 528 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2025-04-14 12:45:18,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1316236544] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:45:18,757 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:45:18,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 66] total 131 [2025-04-14 12:45:18,757 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:45:18,757 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 553 [2025-04-14 12:45:18,771 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:45:18,771 INFO L85 PathProgramCache]: Analyzing trace with hash -2128503267, now seen corresponding path program 1 times [2025-04-14 12:45:18,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:45:18,771 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903653646] [2025-04-14 12:45:18,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:45:18,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:45:18,826 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 554 statements into 1 equivalence classes. [2025-04-14 12:45:19,038 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 554 of 554 statements. [2025-04-14 12:45:19,038 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:45:19,038 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:45:23,805 INFO L134 CoverageAnalysis]: Checked inductivity of 4412 backedges. 2957 proven. 1313 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2025-04-14 12:45:23,805 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:45:23,805 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903653646] [2025-04-14 12:45:23,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903653646] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:45:23,805 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [319763244] [2025-04-14 12:45:23,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:45:23,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:45:23,860 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 554 statements into 1 equivalence classes. [2025-04-14 12:45:24,100 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 554 of 554 statements. [2025-04-14 12:45:24,101 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:45:24,101 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:45:24,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 2293 conjuncts, 70 conjuncts are in the unsatisfiable core [2025-04-14 12:45:24,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:45:27,874 INFO L134 CoverageAnalysis]: Checked inductivity of 4412 backedges. 3742 proven. 528 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2025-04-14 12:45:27,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [319763244] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:45:27,875 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:45:27,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 67] total 132 [2025-04-14 12:45:27,875 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:45:27,875 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 560 [2025-04-14 12:45:27,902 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:45:27,902 INFO L85 PathProgramCache]: Analyzing trace with hash 559364744, now seen corresponding path program 1 times [2025-04-14 12:45:27,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:45:27,902 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605018096] [2025-04-14 12:45:27,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:45:27,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:45:27,957 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 561 statements into 1 equivalence classes. [2025-04-14 12:45:28,173 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 561 of 561 statements. [2025-04-14 12:45:28,173 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:45:28,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:45:32,967 INFO L134 CoverageAnalysis]: Checked inductivity of 4418 backedges. 2963 proven. 1313 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2025-04-14 12:45:32,967 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:45:32,967 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605018096] [2025-04-14 12:45:32,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605018096] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:45:32,967 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [882477185] [2025-04-14 12:45:32,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:45:32,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:45:33,023 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 561 statements into 1 equivalence classes. [2025-04-14 12:45:33,272 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 561 of 561 statements. [2025-04-14 12:45:33,273 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:45:33,273 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:45:33,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 2318 conjuncts, 70 conjuncts are in the unsatisfiable core [2025-04-14 12:45:33,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:45:37,047 INFO L134 CoverageAnalysis]: Checked inductivity of 4418 backedges. 3748 proven. 528 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2025-04-14 12:45:37,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [882477185] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:45:37,047 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:45:37,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 67] total 132 [2025-04-14 12:45:37,047 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:45:37,047 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 632 [2025-04-14 12:45:37,047 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:45:37,047 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 634 is hopeless, skipping. [2025-04-14 12:45:37,047 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 636 is hopeless, skipping. [2025-04-14 12:45:37,047 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 650 [2025-04-14 12:45:37,080 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:45:37,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1017432296, now seen corresponding path program 1 times [2025-04-14 12:45:37,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:45:37,080 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152190209] [2025-04-14 12:45:37,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:45:37,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:45:37,142 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 651 statements into 1 equivalence classes. [2025-04-14 12:45:37,424 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 651 of 651 statements. [2025-04-14 12:45:37,424 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:45:37,424 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:45:40,135 INFO L134 CoverageAnalysis]: Checked inductivity of 4936 backedges. 181 proven. 1511 refuted. 0 times theorem prover too weak. 3244 trivial. 0 not checked. [2025-04-14 12:45:40,135 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:45:40,135 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152190209] [2025-04-14 12:45:40,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152190209] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:45:40,136 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2146899413] [2025-04-14 12:45:40,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:45:40,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:45:40,197 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 651 statements into 1 equivalence classes. [2025-04-14 12:45:40,565 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 651 of 651 statements. [2025-04-14 12:45:40,565 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:45:40,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:45:40,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 2628 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-04-14 12:45:40,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:45:41,831 INFO L134 CoverageAnalysis]: Checked inductivity of 4936 backedges. 1587 proven. 105 refuted. 0 times theorem prover too weak. 3244 trivial. 0 not checked. [2025-04-14 12:45:41,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2146899413] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:45:41,831 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:45:41,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 61 [2025-04-14 12:45:41,831 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:45:41,831 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 725 [2025-04-14 12:45:41,856 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:45:41,856 INFO L85 PathProgramCache]: Analyzing trace with hash 562010592, now seen corresponding path program 1 times [2025-04-14 12:45:41,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:45:41,856 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603635987] [2025-04-14 12:45:41,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:45:41,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:45:41,922 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 726 statements into 1 equivalence classes. [2025-04-14 12:45:42,250 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 726 of 726 statements. [2025-04-14 12:45:42,250 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:45:42,250 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:45:45,052 INFO L134 CoverageAnalysis]: Checked inductivity of 5028 backedges. 91 proven. 627 refuted. 0 times theorem prover too weak. 4310 trivial. 0 not checked. [2025-04-14 12:45:45,053 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:45:45,053 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603635987] [2025-04-14 12:45:45,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603635987] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:45:45,053 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [906135119] [2025-04-14 12:45:45,053 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:45:45,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:45:45,123 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 726 statements into 1 equivalence classes. [2025-04-14 12:45:45,498 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 726 of 726 statements. [2025-04-14 12:45:45,498 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:45:45,498 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:45:45,513 INFO L256 TraceCheckSpWp]: Trace formula consists of 2912 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-04-14 12:45:45,519 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:45:46,764 INFO L134 CoverageAnalysis]: Checked inductivity of 5028 backedges. 613 proven. 105 refuted. 0 times theorem prover too weak. 4310 trivial. 0 not checked. [2025-04-14 12:45:46,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [906135119] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:45:46,764 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:45:46,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 61 [2025-04-14 12:45:46,764 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:45:46,764 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 736 [2025-04-14 12:45:46,847 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:45:46,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1935688384, now seen corresponding path program 1 times [2025-04-14 12:45:46,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:45:46,848 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679553875] [2025-04-14 12:45:46,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:45:46,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:45:46,914 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 737 statements into 1 equivalence classes. [2025-04-14 12:45:47,226 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 737 of 737 statements. [2025-04-14 12:45:47,226 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:45:47,226 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:45:50,223 INFO L134 CoverageAnalysis]: Checked inductivity of 5029 backedges. 91 proven. 627 refuted. 0 times theorem prover too weak. 4311 trivial. 0 not checked. [2025-04-14 12:45:50,223 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:45:50,223 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679553875] [2025-04-14 12:45:50,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679553875] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:45:50,223 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [989006096] [2025-04-14 12:45:50,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:45:50,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:45:50,292 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 737 statements into 1 equivalence classes. [2025-04-14 12:45:50,648 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 737 of 737 statements. [2025-04-14 12:45:50,649 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:45:50,649 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:45:50,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 2951 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-04-14 12:45:50,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:45:51,903 INFO L134 CoverageAnalysis]: Checked inductivity of 5029 backedges. 613 proven. 105 refuted. 0 times theorem prover too weak. 4311 trivial. 0 not checked. [2025-04-14 12:45:51,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [989006096] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:45:51,903 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:45:51,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 61 [2025-04-14 12:45:51,903 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:45:51,903 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 741 [2025-04-14 12:45:51,903 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:45:51,903 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:45:51,903 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:45:51,904 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:45:51,904 INFO L85 PathProgramCache]: Analyzing trace with hash 306156499, now seen corresponding path program 23 times [2025-04-14 12:45:51,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:45:51,904 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175639855] [2025-04-14 12:45:51,904 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 12:45:51,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:45:51,974 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 747 statements into 23 equivalence classes. [2025-04-14 12:45:56,088 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s) and asserted 747 of 747 statements. [2025-04-14 12:45:56,088 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s) [2025-04-14 12:45:56,088 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:46:01,071 INFO L134 CoverageAnalysis]: Checked inductivity of 5033 backedges. 1160 proven. 300 refuted. 0 times theorem prover too weak. 3573 trivial. 0 not checked. [2025-04-14 12:46:01,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:46:01,071 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175639855] [2025-04-14 12:46:01,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175639855] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:46:01,071 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244811045] [2025-04-14 12:46:01,071 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 12:46:01,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:46:01,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:46:01,073 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 12:46:01,074 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 12:46:01,927 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 747 statements into 23 equivalence classes. Received shutdown request... [2025-04-14 12:56:00,902 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-14 12:56:00,902 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 12:56:00,902 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 12:56:01,925 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 12:56:01,934 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 12:56:02,102 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forcibly destroying the process [2025-04-14 12:56:02,303 FATAL L548 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Could not destroy process within 200 ms, abandoning it [2025-04-14 12:56:02,320 WARN L301 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-04-14 12:56:02,320 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-04-14 12:56:02,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-04-14 12:56:02,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795030397] [2025-04-14 12:56:02,320 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-04-14 12:56:02,321 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-14 12:56:02,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:56:02,321 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-14 12:56:02,321 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-04-14 12:56:02,321 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:56:02,321 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:56:02,321 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 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 12:56:02,321 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:56:02,321 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:56:02,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:56:02,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:56:02,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:56:02,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:56:02,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:56:02,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:56:02,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:56:02,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:56:02,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:56:02,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-14 12:56:02,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-14 12:56:02,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 12:56:02,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-14 12:56:02,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 12:56:02,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:56:02,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 309 states. [2025-04-14 12:56:02,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:56:02,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-14 12:56:02,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:56:02,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-04-14 12:56:02,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-14 12:56:02,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:56:02,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-14 12:56:02,322 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:56:02,324 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,SelfDestructingSolverStorable91,SelfDestructingSolverStorable92,SelfDestructingSolverStorable93,SelfDestructingSolverStorable94,SelfDestructingSolverStorable95,SelfDestructingSolverStorable96,SelfDestructingSolverStorable97,SelfDestructingSolverStorable98,SelfDestructingSolverStorable99,SelfDestructingSolverStorable89,SelfDestructingSolverStorable100,SelfDestructingSolverStorable101 [2025-04-14 12:56:02,324 WARN L610 AbstractCegarLoop]: Verification canceled: while executing Executor. [2025-04-14 12:56:02,326 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2025-04-14 12:56:02,326 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2025-04-14 12:56:02,326 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2025-04-14 12:56:02,326 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2025-04-14 12:56:02,326 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2025-04-14 12:56:02,331 INFO L422 BasicCegarLoop]: Path program histogram: [23, 1] [2025-04-14 12:56:02,334 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-14 12:56:02,334 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-14 12:56:02,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.04 12:56:02 BasicIcfg [2025-04-14 12:56:02,336 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-14 12:56:02,337 INFO L158 Benchmark]: Toolchain (without parser) took 843795.21ms. Allocated memory was 155.2MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 109.9MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 757.5MB. Max. memory is 8.0GB. [2025-04-14 12:56:02,337 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 159.4MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 12:56:02,337 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.72ms. Allocated memory is still 155.2MB. Free memory was 109.9MB in the beginning and 94.1MB in the end (delta: 15.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-04-14 12:56:02,338 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.07ms. Allocated memory is still 155.2MB. Free memory was 94.1MB in the beginning and 91.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-14 12:56:02,338 INFO L158 Benchmark]: Boogie Preprocessor took 30.91ms. Allocated memory is still 155.2MB. Free memory was 91.3MB in the beginning and 89.4MB in the end (delta: 1.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-14 12:56:02,338 INFO L158 Benchmark]: RCFGBuilder took 678.64ms. Allocated memory is still 155.2MB. Free memory was 89.4MB in the beginning and 79.1MB in the end (delta: 10.3MB). Peak memory consumption was 66.5MB. Max. memory is 8.0GB. [2025-04-14 12:56:02,339 INFO L158 Benchmark]: TraceAbstraction took 842742.37ms. Allocated memory was 155.2MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 78.3MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 728.7MB. Max. memory is 8.0GB. [2025-04-14 12:56:02,340 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 159.4MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 296.72ms. Allocated memory is still 155.2MB. Free memory was 109.9MB in the beginning and 94.1MB in the end (delta: 15.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.07ms. Allocated memory is still 155.2MB. Free memory was 94.1MB in the beginning and 91.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.91ms. Allocated memory is still 155.2MB. Free memory was 91.3MB in the beginning and 89.4MB in the end (delta: 1.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 678.64ms. Allocated memory is still 155.2MB. Free memory was 89.4MB in the beginning and 79.1MB in the end (delta: 10.3MB). Peak memory consumption was 66.5MB. Max. memory is 8.0GB. * TraceAbstraction took 842742.37ms. Allocated memory was 155.2MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 78.3MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 728.7MB. 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: 818650, independent: 725424, independent conditional: 724090, independent unconditional: 1334, dependent: 93226, dependent conditional: 93206, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 735098, independent: 725424, independent conditional: 724090, independent unconditional: 1334, dependent: 9674, dependent conditional: 9654, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 735098, independent: 725424, independent conditional: 724090, independent unconditional: 1334, dependent: 9674, dependent conditional: 9654, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1059996, independent: 725424, independent conditional: 724090, independent unconditional: 1334, dependent: 334572, dependent conditional: 334552, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1059996, independent: 725424, independent conditional: 35461, independent unconditional: 689963, dependent: 334572, dependent conditional: 116383, dependent unconditional: 218189, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1059996, independent: 725424, independent conditional: 35461, independent unconditional: 689963, dependent: 334572, dependent conditional: 116383, dependent unconditional: 218189, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1724, independent: 1183, independent conditional: 32, independent unconditional: 1151, dependent: 541, dependent conditional: 521, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1724, independent: 1145, independent conditional: 0, independent unconditional: 1145, dependent: 579, dependent conditional: 0, dependent unconditional: 579, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 579, independent: 38, independent conditional: 32, independent unconditional: 6, dependent: 541, dependent conditional: 521, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 579, independent: 38, independent conditional: 32, independent unconditional: 6, dependent: 541, dependent conditional: 521, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10169, independent: 1126, independent conditional: 947, independent unconditional: 179, dependent: 9042, dependent conditional: 8414, dependent unconditional: 628, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 40, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1059996, independent: 724241, independent conditional: 35429, independent unconditional: 688812, dependent: 334031, dependent conditional: 115862, dependent unconditional: 218169, unknown: 1724, unknown conditional: 553, unknown unconditional: 1171] , Statistics on independence cache: Total cache size (in pairs): 1764, Positive cache size: 1223, Positive conditional cache size: 72, Positive unconditional cache size: 1151, Negative cache size: 541, Negative conditional cache size: 521, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 906798, Maximal queried relation: 12, Independence queries for same thread: 83552, Persistent sets #1 benchmarks: Persistent set computation time: 0.9s, Number of persistent set computation: 626, Number of trivial persistent sets: 397, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1354, independent: 1334, independent conditional: 0, independent unconditional: 1334, 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: 818650, independent: 725424, independent conditional: 724090, independent unconditional: 1334, dependent: 93226, dependent conditional: 93206, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 735098, independent: 725424, independent conditional: 724090, independent unconditional: 1334, dependent: 9674, dependent conditional: 9654, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 735098, independent: 725424, independent conditional: 724090, independent unconditional: 1334, dependent: 9674, dependent conditional: 9654, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1059996, independent: 725424, independent conditional: 724090, independent unconditional: 1334, dependent: 334572, dependent conditional: 334552, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1059996, independent: 725424, independent conditional: 35461, independent unconditional: 689963, dependent: 334572, dependent conditional: 116383, dependent unconditional: 218189, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1059996, independent: 725424, independent conditional: 35461, independent unconditional: 689963, dependent: 334572, dependent conditional: 116383, dependent unconditional: 218189, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1724, independent: 1183, independent conditional: 32, independent unconditional: 1151, dependent: 541, dependent conditional: 521, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1724, independent: 1145, independent conditional: 0, independent unconditional: 1145, dependent: 579, dependent conditional: 0, dependent unconditional: 579, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 579, independent: 38, independent conditional: 32, independent unconditional: 6, dependent: 541, dependent conditional: 521, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 579, independent: 38, independent conditional: 32, independent unconditional: 6, dependent: 541, dependent conditional: 521, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10169, independent: 1126, independent conditional: 947, independent unconditional: 179, dependent: 9042, dependent conditional: 8414, dependent unconditional: 628, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 40, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1059996, independent: 724241, independent conditional: 35429, independent unconditional: 688812, dependent: 334031, dependent conditional: 115862, dependent unconditional: 218169, unknown: 1724, unknown conditional: 553, unknown unconditional: 1171] , Statistics on independence cache: Total cache size (in pairs): 1764, Positive cache size: 1223, Positive conditional cache size: 72, Positive unconditional cache size: 1151, Negative cache size: 541, Negative conditional cache size: 521, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 906798, Maximal queried relation: 12, Independence queries for same thread: 83552 - TimeoutResultAtElement [Line: 154]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable 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: 147]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 144]: 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, 75 locations, 84 edges, 5 error locations. Started 1 CEGAR loops. OverallTime: 842.6s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 23, EmptinessCheckTime: 32.1s, 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: 653, 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: 1.1s SsaConstructionTime, 21.2s SatisfiabilityAnalysisTime, 59.9s InterpolantComputationTime, 12647 NumberOfCodeBlocks, 10871 NumberOfCodeBlocksAsserted, 142 NumberOfCheckSat, 17940 ConstructedInterpolants, 1393 QuantifiedInterpolants, 106666 SizeOfPredicates, 171 NumberOfNonLiveVariables, 19445 ConjunctsInSsa, 399 ConjunctsInUnsatCore, 56 InterpolantComputations, 8 PerfectInterpolantSequences, 70075/75682 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]: 119563, ConditionCalculationTime [ms]: 1228, ConditionCalculations: 85, QuantifiedConditions: 0, TraceChecks: 40, UnknownTraceChecks: 0, UnsatisfiedConditions: 0, ImperfectProofs: 38 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown