/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 -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.commutativity.condition.synthesis SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-158c277 [2024-11-14 07:34:50,919 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 07:34:50,973 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-14 07:34:50,980 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 07:34:50,980 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 07:34:50,996 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 07:34:50,997 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 07:34:50,997 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 07:34:50,997 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 07:34:50,997 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 07:34:50,997 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 07:34:50,997 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 07:34:50,997 INFO L153 SettingsManager]: * Use SBE=true [2024-11-14 07:34:50,998 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 07:34:50,998 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 07:34:50,998 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 07:34:50,998 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 07:34:50,998 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 07:34:50,998 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 07:34:50,998 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 07:34:50,998 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 07:34:50,998 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 07:34:50,998 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 07:34:50,998 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 07:34:50,998 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 07:34:50,998 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 07:34:50,998 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 07:34:50,999 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-14 07:34:50,999 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 07:34:50,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 07:34:50,999 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 07:34:50,999 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 07:34:50,999 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 07:34:50,999 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-14 07:34:50,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 07:34:50,999 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 07:34:50,999 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-14 07:34:50,999 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-14 07:34:50,999 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-14 07:34:50,999 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> SUFFICIENT [2024-11-14 07:34:51,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 07:34:51,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 07:34:51,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 07:34:51,209 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 07:34:51,209 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 07:34:51,210 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c [2024-11-14 07:34:52,371 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 07:34:52,588 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 07:34:52,589 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c [2024-11-14 07:34:52,596 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/ad22b8551/6df81bb1f1d94b5eb874d67d6afa0239/FLAGbb628681f [2024-11-14 07:34:52,612 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/ad22b8551/6df81bb1f1d94b5eb874d67d6afa0239 [2024-11-14 07:34:52,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 07:34:52,617 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-14 07:34:52,618 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 07:34:52,618 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 07:34:52,622 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 07:34:52,626 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 07:34:52" (1/1) ... [2024-11-14 07:34:52,627 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4019c4f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:34:52, skipping insertion in model container [2024-11-14 07:34:52,627 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 07:34:52" (1/1) ... [2024-11-14 07:34:52,641 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 07:34:52,774 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c[2637,2650] [2024-11-14 07:34:52,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 07:34:52,789 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 07:34:52,809 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c[2637,2650] [2024-11-14 07:34:52,811 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 07:34:52,824 INFO L204 MainTranslator]: Completed translation [2024-11-14 07:34:52,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:34:52 WrapperNode [2024-11-14 07:34:52,825 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 07:34:52,825 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 07:34:52,825 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 07:34:52,825 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 07:34:52,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:34:52" (1/1) ... [2024-11-14 07:34:52,841 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:34:52" (1/1) ... [2024-11-14 07:34:52,862 INFO L138 Inliner]: procedures = 24, calls = 31, calls flagged for inlining = 11, calls inlined = 17, statements flattened = 181 [2024-11-14 07:34:52,863 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 07:34:52,863 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 07:34:52,863 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 07:34:52,863 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 07:34:52,868 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:34:52" (1/1) ... [2024-11-14 07:34:52,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:34:52" (1/1) ... [2024-11-14 07:34:52,877 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:34:52" (1/1) ... [2024-11-14 07:34:52,877 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:34:52" (1/1) ... [2024-11-14 07:34:52,885 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:34:52" (1/1) ... [2024-11-14 07:34:52,892 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:34:52" (1/1) ... [2024-11-14 07:34:52,893 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:34:52" (1/1) ... [2024-11-14 07:34:52,894 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:34:52" (1/1) ... [2024-11-14 07:34:52,900 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 07:34:52,900 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 07:34:52,900 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 07:34:52,900 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 07:34:52,901 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:34:52" (1/1) ... [2024-11-14 07:34:52,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 07:34:52,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 07:34:52,934 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 07:34:52,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 07:34:52,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 07:34:52,956 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-14 07:34:52,957 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-14 07:34:52,957 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-14 07:34:52,957 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-14 07:34:52,957 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-14 07:34:52,957 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-14 07:34:52,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 07:34:52,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 07:34:52,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 07:34:52,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 07:34:52,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 07:34:52,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 07:34:52,958 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 07:34:53,041 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 07:34:53,043 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 07:34:53,314 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 07:34:53,315 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 07:34:53,331 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 07:34:53,331 INFO L316 CfgBuilder]: Removed 7 assume(true) statements. [2024-11-14 07:34:53,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 07:34:53 BoogieIcfgContainer [2024-11-14 07:34:53,331 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 07:34:53,333 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 07:34:53,333 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 07:34:53,337 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 07:34:53,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 07:34:52" (1/3) ... [2024-11-14 07:34:53,349 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef232e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 07:34:53, skipping insertion in model container [2024-11-14 07:34:53,349 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:34:52" (2/3) ... [2024-11-14 07:34:53,349 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef232e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 07:34:53, skipping insertion in model container [2024-11-14 07:34:53,349 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 07:34:53" (3/3) ... [2024-11-14 07:34:53,350 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-vector-add.wvr.c [2024-11-14 07:34:53,360 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 07:34:53,361 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-vector-add.wvr.c that has 4 procedures, 271 locations, 1 initial locations, 7 loop locations, and 1 error locations. [2024-11-14 07:34:53,361 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 07:34:53,430 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-14 07:34:53,466 INFO L123 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 07:34:53,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-14 07:34:53,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 07:34:53,468 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-14 07:34:53,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-14 07:34:53,526 INFO L185 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-14 07:34:53,535 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-14 07:34:53,540 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@744ec0fb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 07:34:53,540 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-14 07:34:54,109 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-14 07:34:54,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:34:54,113 INFO L85 PathProgramCache]: Analyzing trace with hash -562442024, now seen corresponding path program 1 times [2024-11-14 07:34:54,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 07:34:54,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066011042] [2024-11-14 07:34:54,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:34:54,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:34:54,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:34:54,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 07:34:54,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 07:34:54,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066011042] [2024-11-14 07:34:54,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066011042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 07:34:54,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 07:34:54,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 07:34:54,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982310263] [2024-11-14 07:34:54,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 07:34:54,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 07:34:54,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 07:34:54,500 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 07:34:54,500 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 07:34:54,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:34:54,502 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 07:34:54,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 120.5) internal successors, (241), 2 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 07:34:54,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:34:54,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:34:54,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 07:34:54,564 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-14 07:34:54,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:34:54,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1884901543, now seen corresponding path program 1 times [2024-11-14 07:34:54,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 07:34:54,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643160765] [2024-11-14 07:34:54,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:34:54,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:34:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:34:55,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 07:34:55,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 07:34:55,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643160765] [2024-11-14 07:34:55,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643160765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 07:34:55,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 07:34:55,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-14 07:34:55,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173439603] [2024-11-14 07:34:55,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 07:34:55,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 07:34:55,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 07:34:55,292 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 07:34:55,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-14 07:34:55,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:34:55,297 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 07:34:55,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 33.0) internal successors, (231), 7 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 07:34:55,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:34:55,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:34:55,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:34:55,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 07:34:55,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 07:34:55,540 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-14 07:34:55,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:34:55,541 INFO L85 PathProgramCache]: Analyzing trace with hash -38249565, now seen corresponding path program 1 times [2024-11-14 07:34:55,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 07:34:55,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164336837] [2024-11-14 07:34:55,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:34:55,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:34:55,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:34:56,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-14 07:34:56,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 07:34:56,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164336837] [2024-11-14 07:34:56,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164336837] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:34:56,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072580400] [2024-11-14 07:34:56,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:34:56,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 07:34:56,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 07:34:56,178 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 07:34:56,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 07:34:56,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:34:56,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 882 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-14 07:34:56,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 07:34:56,831 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-14 07:34:56,833 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 07:34:57,256 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-14 07:34:57,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2072580400] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 07:34:57,256 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 07:34:57,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 25 [2024-11-14 07:34:57,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480830296] [2024-11-14 07:34:57,257 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 07:34:57,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-14 07:34:57,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 07:34:57,258 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-14 07:34:57,258 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=484, Unknown=0, NotChecked=0, Total=600 [2024-11-14 07:34:57,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:34:57,258 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 07:34:57,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 14.84) internal successors, (371), 25 states have internal predecessors, (371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 07:34:57,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:34:57,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-14 07:34:57,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:34:57,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:34:57,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 07:34:57,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-14 07:34:57,856 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-14 07:34:58,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 07:34:58,040 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-14 07:34:58,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2024-11-14 07:34:58,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:34:58,202 INFO L85 PathProgramCache]: Analyzing trace with hash -41448772, now seen corresponding path program 1 times [2024-11-14 07:34:58,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-14 07:34:58,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384826587] [2024-11-14 07:34:58,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:34:58,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:34:58,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:34:58,608 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 07:34:58,609 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-14 07:34:58,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384826587] [2024-11-14 07:34:58,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384826587] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:34:58,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [521691351] [2024-11-14 07:34:58,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:34:58,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:34:58,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:34:58,654 INFO L256 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-14 07:34:58,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 07:34:59,167 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 07:34:59,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [521691351] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:34:59,167 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 07:34:59,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 25 [2024-11-14 07:34:59,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2024-11-14 07:34:59,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:34:59,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1142528236, now seen corresponding path program 1 times [2024-11-14 07:34:59,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-14 07:34:59,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527474308] [2024-11-14 07:34:59,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:34:59,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:34:59,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:34:59,628 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 07:34:59,628 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-14 07:34:59,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527474308] [2024-11-14 07:34:59,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527474308] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:34:59,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [608788954] [2024-11-14 07:34:59,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:34:59,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:34:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:34:59,665 INFO L256 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-14 07:34:59,669 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 07:35:00,128 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 07:35:00,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [608788954] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:35:00,129 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 07:35:00,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 25 [2024-11-14 07:35:00,155 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2024-11-14 07:35:00,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:35:00,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1941472453, now seen corresponding path program 1 times [2024-11-14 07:35:00,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-14 07:35:00,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694789182] [2024-11-14 07:35:00,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:35:00,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:35:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:35:00,614 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 07:35:00,614 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-14 07:35:00,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694789182] [2024-11-14 07:35:00,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694789182] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:35:00,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [920939861] [2024-11-14 07:35:00,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:35:00,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:35:00,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:35:00,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-14 07:35:00,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 07:35:01,061 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 07:35:01,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [920939861] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:35:01,061 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 07:35:01,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 25 [2024-11-14 07:35:01,081 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2024-11-14 07:35:01,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:35:01,157 INFO L85 PathProgramCache]: Analyzing trace with hash 56101073, now seen corresponding path program 1 times [2024-11-14 07:35:01,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-14 07:35:01,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773222238] [2024-11-14 07:35:01,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:35:01,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:35:01,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:35:01,565 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 07:35:01,565 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-14 07:35:01,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773222238] [2024-11-14 07:35:01,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773222238] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:35:01,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1360802642] [2024-11-14 07:35:01,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:35:01,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:35:01,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:35:01,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-14 07:35:01,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 07:35:02,315 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 07:35:02,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1360802642] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:35:02,315 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 07:35:02,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 25 [2024-11-14 07:35:02,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2024-11-14 07:35:03,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:35:03,413 INFO L85 PathProgramCache]: Analyzing trace with hash -743356831, now seen corresponding path program 1 times [2024-11-14 07:35:03,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-14 07:35:03,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027153749] [2024-11-14 07:35:03,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:35:03,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:35:03,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:35:03,783 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 07:35:03,783 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-14 07:35:03,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027153749] [2024-11-14 07:35:03,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027153749] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:35:03,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2063707532] [2024-11-14 07:35:03,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:35:03,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:35:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:35:03,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-14 07:35:03,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 07:35:04,236 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 07:35:04,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2063707532] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:35:04,237 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 07:35:04,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 25 [2024-11-14 07:35:04,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2024-11-14 07:35:04,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:35:04,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1569228783, now seen corresponding path program 1 times [2024-11-14 07:35:04,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-14 07:35:04,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782193162] [2024-11-14 07:35:04,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:35:04,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:35:04,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:35:04,574 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 07:35:04,574 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-14 07:35:04,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782193162] [2024-11-14 07:35:04,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782193162] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:35:04,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [210334018] [2024-11-14 07:35:04,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:35:04,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:35:04,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:35:04,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-14 07:35:04,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 07:35:05,063 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 07:35:05,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [210334018] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:35:05,063 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 07:35:05,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 25 [2024-11-14 07:35:05,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2024-11-14 07:35:05,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:35:05,209 INFO L85 PathProgramCache]: Analyzing trace with hash 119693777, now seen corresponding path program 1 times [2024-11-14 07:35:05,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-14 07:35:05,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396506480] [2024-11-14 07:35:05,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:35:05,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:35:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:35:05,945 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 07:35:05,946 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-14 07:35:05,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396506480] [2024-11-14 07:35:05,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396506480] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:35:05,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1638291943] [2024-11-14 07:35:05,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:35:05,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:35:05,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:35:05,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-14 07:35:05,985 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 07:35:07,155 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 07:35:07,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1638291943] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:35:07,155 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 07:35:07,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 28] total 54 [2024-11-14 07:35:07,180 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2024-11-14 07:35:07,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:35:07,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1197217602, now seen corresponding path program 1 times [2024-11-14 07:35:07,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-14 07:35:07,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6605632] [2024-11-14 07:35:07,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:35:07,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:35:07,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:35:07,944 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 07:35:07,944 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-14 07:35:07,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6605632] [2024-11-14 07:35:07,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6605632] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:35:07,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1007200422] [2024-11-14 07:35:07,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:35:07,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:35:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:35:07,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-14 07:35:07,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 07:35:09,098 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 07:35:09,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1007200422] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:35:09,098 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 07:35:09,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 30] total 58 [2024-11-14 07:35:09,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2024-11-14 07:35:09,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:35:09,195 INFO L85 PathProgramCache]: Analyzing trace with hash -856245513, now seen corresponding path program 1 times [2024-11-14 07:35:09,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-14 07:35:09,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595266535] [2024-11-14 07:35:09,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:35:09,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:35:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:35:09,948 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 07:35:09,949 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-14 07:35:09,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595266535] [2024-11-14 07:35:09,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595266535] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:35:09,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1265039561] [2024-11-14 07:35:09,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:35:09,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:35:09,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:35:09,975 INFO L256 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-14 07:35:09,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 07:35:11,344 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 07:35:11,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1265039561] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:35:11,344 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 07:35:11,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 30] total 60 [2024-11-14 07:35:11,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2024-11-14 07:35:11,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:35:11,581 INFO L85 PathProgramCache]: Analyzing trace with hash 376677977, now seen corresponding path program 1 times [2024-11-14 07:35:11,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-14 07:35:11,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916008140] [2024-11-14 07:35:11,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:35:11,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:35:11,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:35:12,465 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 07:35:12,465 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-14 07:35:12,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916008140] [2024-11-14 07:35:12,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916008140] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:35:12,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1065973176] [2024-11-14 07:35:12,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:35:12,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:35:12,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:35:12,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 683 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-14 07:35:12,496 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 07:35:14,147 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 07:35:14,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1065973176] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:35:14,147 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 07:35:14,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 38] total 72 [2024-11-14 07:35:14,168 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2024-11-14 07:35:15,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:35:15,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1509442940, now seen corresponding path program 1 times [2024-11-14 07:35:15,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-14 07:35:15,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353490707] [2024-11-14 07:35:15,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:35:15,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:35:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:35:16,516 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 07:35:16,516 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-14 07:35:16,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353490707] [2024-11-14 07:35:16,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353490707] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:35:16,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [611814889] [2024-11-14 07:35:16,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:35:16,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:35:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:35:16,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-14 07:35:16,576 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 07:35:18,393 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 07:35:18,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [611814889] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:35:18,393 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 07:35:18,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 40] total 78 [2024-11-14 07:35:18,416 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2024-11-14 07:35:18,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:35:18,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1722496384, now seen corresponding path program 1 times [2024-11-14 07:35:18,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-14 07:35:18,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614888236] [2024-11-14 07:35:18,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:35:18,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:35:19,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:35:20,257 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 07:35:20,257 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-14 07:35:20,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614888236] [2024-11-14 07:35:20,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614888236] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:35:20,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1005474310] [2024-11-14 07:35:20,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:35:20,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:35:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:35:20,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-14 07:35:20,295 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 07:35:22,628 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 07:35:22,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1005474310] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:35:22,628 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 07:35:22,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 46] total 88 [2024-11-14 07:35:22,646 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2024-11-14 07:35:23,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:35:23,340 INFO L85 PathProgramCache]: Analyzing trace with hash 529671221, now seen corresponding path program 1 times [2024-11-14 07:35:23,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-14 07:35:23,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035801483] [2024-11-14 07:35:23,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:35:23,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:35:23,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:35:24,875 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 07:35:24,876 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-14 07:35:24,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035801483] [2024-11-14 07:35:24,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035801483] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:35:24,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [518745433] [2024-11-14 07:35:24,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:35:24,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:35:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:35:24,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 793 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-14 07:35:24,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 07:35:27,525 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 07:35:27,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [518745433] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:35:27,526 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 07:35:27,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 47] total 95 [2024-11-14 07:35:27,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2024-11-14 07:35:27,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:35:27,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1211472444, now seen corresponding path program 1 times [2024-11-14 07:35:27,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-14 07:35:27,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980392170] [2024-11-14 07:35:27,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:35:27,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:35:27,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:35:29,376 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 07:35:29,377 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-14 07:35:29,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980392170] [2024-11-14 07:35:29,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980392170] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:35:29,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [239887520] [2024-11-14 07:35:29,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:35:29,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:35:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:35:29,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 833 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-14 07:35:29,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 07:35:32,140 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 07:35:32,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [239887520] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:35:32,140 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 07:35:32,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 47] total 97 [2024-11-14 07:35:32,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:35:32,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1140086503, now seen corresponding path program 2 times [2024-11-14 07:35:32,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 07:35:32,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301938754] [2024-11-14 07:35:32,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:35:32,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:35:32,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:35:33,668 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 07:35:33,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 07:35:33,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301938754] [2024-11-14 07:35:33,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301938754] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:35:33,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883352420] [2024-11-14 07:35:33,669 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 07:35:33,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 07:35:33,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 07:35:33,671 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 07:35:33,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-14 07:35:33,888 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-14 07:35:33,888 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 07:35:33,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 834 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-14 07:35:33,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 07:35:36,613 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-14 07:35:36,614 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 07:35:36,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883352420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 07:35:36,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 07:35:36,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [49] imperfect sequences [57] total 104 [2024-11-14 07:35:36,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086565741] [2024-11-14 07:35:36,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 07:35:36,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-11-14 07:35:36,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 07:35:36,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-11-14 07:35:36,620 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=419, Invalid=10293, Unknown=0, NotChecked=0, Total=10712 [2024-11-14 07:35:36,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:35:36,620 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 07:35:36,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 9.183673469387756) internal successors, (450), 49 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 07:35:36,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:35:36,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-14 07:35:36,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-14 07:35:36,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:35:39,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:35:39,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 07:35:39,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-14 07:35:39,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-14 07:35:39,727 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-14 07:35:39,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable4,SelfDestructingSolverStorable18,SelfDestructingSolverStorable3,SelfDestructingSolverStorable19,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17,SelfDestructingSolverStorable20,SelfDestructingSolverStorable29,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-11-14 07:35:39,919 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-14 07:35:39,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:35:39,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1519433439, now seen corresponding path program 3 times [2024-11-14 07:35:39,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 07:35:39,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805691115] [2024-11-14 07:35:39,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:35:39,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:35:39,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:35:43,778 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 254 proven. 90 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 07:35:43,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 07:35:43,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805691115] [2024-11-14 07:35:43,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805691115] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:35:43,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216343317] [2024-11-14 07:35:43,779 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 07:35:43,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 07:35:43,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 07:35:43,781 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 07:35:43,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 07:35:55,616 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-14 07:35:55,616 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 07:35:55,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 1010 conjuncts, 274 conjuncts are in the unsatisfiable core [2024-11-14 07:35:55,643 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 07:35:55,985 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-14 07:35:56,872 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-11-14 07:35:56,873 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-11-14 07:35:58,010 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2024-11-14 07:35:58,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2024-11-14 07:36:00,023 INFO L349 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2024-11-14 07:36:00,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 25 [2024-11-14 07:36:07,264 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-11-14 07:36:07,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2024-11-14 07:36:07,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 30 [2024-11-14 07:36:08,450 INFO L349 Elim1Store]: treesize reduction 25, result has 40.5 percent of original size [2024-11-14 07:36:08,451 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 45 [2024-11-14 07:36:09,594 INFO L349 Elim1Store]: treesize reduction 25, result has 40.5 percent of original size [2024-11-14 07:36:09,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 61 [2024-11-14 07:36:09,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 55 [2024-11-14 07:36:10,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 55 [2024-11-14 07:36:11,512 INFO L349 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2024-11-14 07:36:11,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 89 [2024-11-14 07:36:12,583 INFO L349 Elim1Store]: treesize reduction 88, result has 1.1 percent of original size [2024-11-14 07:36:12,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 10 case distinctions, treesize of input 107 treesize of output 133 [2024-11-14 07:36:15,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 07:36:15,900 INFO L349 Elim1Store]: treesize reduction 128, result has 10.5 percent of original size [2024-11-14 07:36:15,901 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 9 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 13 case distinctions, treesize of input 144 treesize of output 152 [2024-11-14 07:36:17,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 07:36:17,243 INFO L349 Elim1Store]: treesize reduction 132, result has 0.8 percent of original size [2024-11-14 07:36:17,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 9 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 16 case distinctions, treesize of input 146 treesize of output 172 [2024-11-14 07:36:19,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 07:36:19,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 07:36:19,447 INFO L349 Elim1Store]: treesize reduction 212, result has 6.6 percent of original size [2024-11-14 07:36:19,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 17 select indices, 17 select index equivalence classes, 11 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 23 case distinctions, treesize of input 143 treesize of output 190 [2024-11-14 07:36:23,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-14 07:36:23,365 INFO L349 Elim1Store]: treesize reduction 44, result has 64.8 percent of original size [2024-11-14 07:36:23,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 9 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 15 case distinctions, treesize of input 145 treesize of output 117 [2024-11-14 07:36:23,662 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2024-11-14 07:36:23,662 INFO L312 TraceCheckSpWp]: Computing backward predicates...