/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-min-max-inc-dec.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-158c277 [2024-11-14 07:13:29,526 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 07:13:29,596 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-14 07:13:29,603 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 07:13:29,604 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 07:13:29,629 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 07:13:29,630 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 07:13:29,630 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 07:13:29,631 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 07:13:29,631 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 07:13:29,632 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 07:13:29,632 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 07:13:29,632 INFO L153 SettingsManager]: * Use SBE=true [2024-11-14 07:13:29,632 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 07:13:29,632 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 07:13:29,632 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 07:13:29,632 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 07:13:29,632 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 07:13:29,632 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 07:13:29,632 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 07:13:29,632 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 07:13:29,633 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 07:13:29,633 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 07:13:29,633 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 07:13:29,633 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 07:13:29,633 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 07:13:29,633 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 07:13:29,633 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-14 07:13:29,633 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 07:13:29,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 07:13:29,633 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 07:13:29,633 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 07:13:29,633 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 07:13:29,634 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-14 07:13:29,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 07:13:29,634 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 07:13:29,634 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-14 07:13:29,634 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-14 07:13:29,634 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-14 07:13:29,634 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 07:13:29,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 07:13:29,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 07:13:29,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 07:13:29,887 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 07:13:29,888 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 07:13:29,890 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-min-max-inc-dec.wvr.c [2024-11-14 07:13:31,207 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 07:13:31,503 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 07:13:31,503 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-min-max-inc-dec.wvr.c [2024-11-14 07:13:31,513 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/385e9423e/63eae5b0e664436da99d95f7bca39465/FLAG70f1a44d6 [2024-11-14 07:13:31,794 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/385e9423e/63eae5b0e664436da99d95f7bca39465 [2024-11-14 07:13:31,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 07:13:31,800 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-14 07:13:31,801 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 07:13:31,801 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 07:13:31,807 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 07:13:31,808 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 07:13:31" (1/1) ... [2024-11-14 07:13:31,808 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@701dc995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:13:31, skipping insertion in model container [2024-11-14 07:13:31,808 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 07:13:31" (1/1) ... [2024-11-14 07:13:31,826 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 07:13:31,983 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-min-max-inc-dec.wvr.c[2888,2901] [2024-11-14 07:13:31,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 07:13:31,999 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 07:13:32,025 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-min-max-inc-dec.wvr.c[2888,2901] [2024-11-14 07:13:32,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 07:13:32,038 INFO L204 MainTranslator]: Completed translation [2024-11-14 07:13:32,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:13:32 WrapperNode [2024-11-14 07:13:32,039 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 07:13:32,040 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 07:13:32,040 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 07:13:32,040 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 07:13:32,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:13:32" (1/1) ... [2024-11-14 07:13:32,051 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:13:32" (1/1) ... [2024-11-14 07:13:32,077 INFO L138 Inliner]: procedures = 24, calls = 30, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 148 [2024-11-14 07:13:32,078 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 07:13:32,078 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 07:13:32,078 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 07:13:32,078 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 07:13:32,086 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:13:32" (1/1) ... [2024-11-14 07:13:32,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:13:32" (1/1) ... [2024-11-14 07:13:32,089 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:13:32" (1/1) ... [2024-11-14 07:13:32,089 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:13:32" (1/1) ... [2024-11-14 07:13:32,095 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:13:32" (1/1) ... [2024-11-14 07:13:32,098 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:13:32" (1/1) ... [2024-11-14 07:13:32,099 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:13:32" (1/1) ... [2024-11-14 07:13:32,100 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:13:32" (1/1) ... [2024-11-14 07:13:32,102 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 07:13:32,103 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 07:13:32,103 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 07:13:32,103 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 07:13:32,104 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:13:32" (1/1) ... [2024-11-14 07:13:32,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 07:13:32,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 07:13:32,138 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 07:13:32,141 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 07:13:32,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 07:13:32,163 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-14 07:13:32,164 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-14 07:13:32,164 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-14 07:13:32,164 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-14 07:13:32,164 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-14 07:13:32,164 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-14 07:13:32,164 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-14 07:13:32,164 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-14 07:13:32,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 07:13:32,164 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-11-14 07:13:32,164 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-11-14 07:13:32,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 07:13:32,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 07:13:32,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 07:13:32,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 07:13:32,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 07:13:32,167 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 07:13:32,280 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 07:13:32,282 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 07:13:32,623 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 07:13:32,623 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 07:13:32,669 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 07:13:32,669 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-14 07:13:32,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 07:13:32 BoogieIcfgContainer [2024-11-14 07:13:32,670 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 07:13:32,674 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 07:13:32,674 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 07:13:32,679 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 07:13:32,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 07:13:31" (1/3) ... [2024-11-14 07:13:32,681 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7846f244 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 07:13:32, skipping insertion in model container [2024-11-14 07:13:32,681 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:13:32" (2/3) ... [2024-11-14 07:13:32,681 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7846f244 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 07:13:32, skipping insertion in model container [2024-11-14 07:13:32,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 07:13:32" (3/3) ... [2024-11-14 07:13:32,683 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-min-max-inc-dec.wvr.c [2024-11-14 07:13:32,697 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 07:13:32,699 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-min-max-inc-dec.wvr.c that has 6 procedures, 209 locations, 1 initial locations, 5 loop locations, and 1 error locations. [2024-11-14 07:13:32,700 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 07:13:32,819 INFO L143 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2024-11-14 07:13:32,891 INFO L123 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 07:13:32,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-14 07:13:32,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 07:13:32,895 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 07:13:32,897 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 07:13:32,988 INFO L185 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-14 07:13:33,000 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-14 07:13:33,006 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;@7a2b319a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 07:13:33,006 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-14 07:13:35,419 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 3 more)] === [2024-11-14 07:13:35,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:13:35,426 INFO L85 PathProgramCache]: Analyzing trace with hash -946955521, now seen corresponding path program 1 times [2024-11-14 07:13:35,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 07:13:35,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280758165] [2024-11-14 07:13:35,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:13:35,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:13:35,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:13:35,916 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 07:13:35,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 07:13:35,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280758165] [2024-11-14 07:13:35,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280758165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 07:13:35,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 07:13:35,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 07:13:35,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239485617] [2024-11-14 07:13:35,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 07:13:35,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 07:13:35,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 07:13:35,953 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 07:13:35,954 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 07:13:35,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:13:35,955 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 07:13:35,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 97.5) internal successors, (195), 2 states have internal predecessors, (195), 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 07:13:35,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:13:36,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:13:36,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 07:13:36,465 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 3 more)] === [2024-11-14 07:13:36,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:13:36,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1057179655, now seen corresponding path program 1 times [2024-11-14 07:13:36,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 07:13:36,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724722015] [2024-11-14 07:13:36,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:13:36,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:13:36,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:13:37,535 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 07:13:37,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 07:13:37,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724722015] [2024-11-14 07:13:37,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724722015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 07:13:37,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 07:13:37,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-14 07:13:37,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671282950] [2024-11-14 07:13:37,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 07:13:37,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 07:13:37,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 07:13:37,541 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 07:13:37,541 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-14 07:13:37,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:13:37,544 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 07:13:37,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.142857142857142) internal successors, (190), 7 states have internal predecessors, (190), 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 07:13:37,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:13:37,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:13:38,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:13:38,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 07:13:38,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 07:13:38,068 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 3 more)] === [2024-11-14 07:13:38,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:13:38,070 INFO L85 PathProgramCache]: Analyzing trace with hash 844529195, now seen corresponding path program 1 times [2024-11-14 07:13:38,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 07:13:38,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128152707] [2024-11-14 07:13:38,070 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:13:38,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:13:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:13:39,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 07:13:39,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 07:13:39,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128152707] [2024-11-14 07:13:39,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128152707] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:13:39,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548457350] [2024-11-14 07:13:39,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:13:39,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 07:13:39,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 07:13:39,006 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 07:13:39,008 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 07:13:39,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:13:39,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 964 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-14 07:13:39,355 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 07:13:39,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 07:13:39,897 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 07:13:40,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 07:13:40,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548457350] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 07:13:40,258 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 07:13:40,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2024-11-14 07:13:40,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162423516] [2024-11-14 07:13:40,259 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 07:13:40,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-14 07:13:40,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 07:13:40,262 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-14 07:13:40,262 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2024-11-14 07:13:40,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:13:40,263 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 07:13:40,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 17.625) internal successors, (423), 24 states have internal predecessors, (423), 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 07:13:40,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:13:40,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-14 07:13:40,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:13:41,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:13:41,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 07:13:41,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-14 07:13:41,073 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 07:13:41,255 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 07:13:41,255 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 3 more)] === [2024-11-14 07:13:41,332 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 36 treesize of output 30 [2024-11-14 07:13:41,342 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-14 07:13:41,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 18 [2024-11-14 07:13:41,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:13:41,379 INFO L85 PathProgramCache]: Analyzing trace with hash 924542683, now seen corresponding path program 1 times [2024-11-14 07:13:41,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-14 07:13:41,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211230870] [2024-11-14 07:13:41,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:13:41,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:13:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:13:41,970 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 07:13:41,971 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-14 07:13:41,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211230870] [2024-11-14 07:13:41,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211230870] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:13:41,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [567004569] [2024-11-14 07:13:41,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:13:41,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:13:42,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:13:42,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-14 07:13:42,049 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 07:13:42,781 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 07:13:42,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [567004569] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:13:42,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 07:13:42,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 25 [2024-11-14 07:13:42,827 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 36 treesize of output 30 [2024-11-14 07:13:42,834 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-14 07:13:42,834 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 18 [2024-11-14 07:13:42,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:13:42,857 INFO L85 PathProgramCache]: Analyzing trace with hash -575643245, now seen corresponding path program 1 times [2024-11-14 07:13:42,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-14 07:13:42,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779636015] [2024-11-14 07:13:42,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:13:42,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:13:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:13:43,445 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 07:13:43,445 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-14 07:13:43,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779636015] [2024-11-14 07:13:43,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779636015] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:13:43,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1254366911] [2024-11-14 07:13:43,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:13:43,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:13:43,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:13:43,501 INFO L256 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-14 07:13:43,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 07:13:44,222 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 07:13:44,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1254366911] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:13:44,222 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 07:13:44,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 25 [2024-11-14 07:13:44,269 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 36 treesize of output 30 [2024-11-14 07:13:44,276 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-14 07:13:44,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 18 [2024-11-14 07:13:44,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:13:44,301 INFO L85 PathProgramCache]: Analyzing trace with hash -665076482, now seen corresponding path program 1 times [2024-11-14 07:13:44,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-14 07:13:44,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297750323] [2024-11-14 07:13:44,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:13:44,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:13:44,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:13:44,778 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 07:13:44,778 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-14 07:13:44,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297750323] [2024-11-14 07:13:44,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297750323] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:13:44,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1583782058] [2024-11-14 07:13:44,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:13:44,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:13:44,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:13:44,821 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-14 07:13:44,825 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 07:13:45,497 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 07:13:45,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1583782058] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:13:45,497 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 07:13:45,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 25 [2024-11-14 07:13:45,563 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 36 treesize of output 30 [2024-11-14 07:13:45,569 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-14 07:13:45,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 18 [2024-11-14 07:13:46,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:13:46,681 INFO L85 PathProgramCache]: Analyzing trace with hash 697249358, now seen corresponding path program 1 times [2024-11-14 07:13:46,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-14 07:13:46,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438403756] [2024-11-14 07:13:46,682 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:13:46,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:13:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:13:48,980 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 07:13:48,981 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-14 07:13:48,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438403756] [2024-11-14 07:13:48,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438403756] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:13:48,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1443208149] [2024-11-14 07:13:48,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:13:48,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:13:49,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:13:49,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-14 07:13:49,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 07:13:52,431 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 07:13:52,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1443208149] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:13:52,431 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 07:13:52,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 44] total 88 [2024-11-14 07:13:52,483 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 36 treesize of output 30 [2024-11-14 07:13:52,492 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-14 07:13:52,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 18 [2024-11-14 07:13:52,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:13:52,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1868702596, now seen corresponding path program 1 times [2024-11-14 07:13:52,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-14 07:13:52,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902231688] [2024-11-14 07:13:52,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:13:52,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:13:52,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:13:52,942 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 07:13:52,942 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-14 07:13:52,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902231688] [2024-11-14 07:13:52,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902231688] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:13:52,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [176178972] [2024-11-14 07:13:52,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:13:52,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:13:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:13:52,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-14 07:13:53,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 07:13:53,480 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 07:13:53,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [176178972] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:13:53,481 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 07:13:53,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 25 [2024-11-14 07:13:53,543 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 36 treesize of output 30 [2024-11-14 07:13:53,554 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-14 07:13:53,554 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 18 [2024-11-14 07:13:53,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:13:53,599 INFO L85 PathProgramCache]: Analyzing trace with hash -2095210969, now seen corresponding path program 1 times [2024-11-14 07:13:53,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-14 07:13:53,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710196214] [2024-11-14 07:13:53,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:13:53,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:13:53,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:13:54,012 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 07:13:54,013 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-14 07:13:54,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710196214] [2024-11-14 07:13:54,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710196214] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:13:54,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [90381703] [2024-11-14 07:13:54,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:13:54,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:13:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:13:54,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-14 07:13:54,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 07:13:54,578 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 07:13:54,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [90381703] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:13:54,578 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 07:13:54,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 25 [2024-11-14 07:13:54,645 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 36 treesize of output 30 [2024-11-14 07:13:54,657 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-14 07:13:54,658 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 18 [2024-11-14 07:13:54,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:13:54,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1871089755, now seen corresponding path program 1 times [2024-11-14 07:13:54,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-14 07:13:54,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677027480] [2024-11-14 07:13:54,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:13:54,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:13:54,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:13:55,153 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 07:13:55,153 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-14 07:13:55,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677027480] [2024-11-14 07:13:55,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677027480] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:13:55,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1287949325] [2024-11-14 07:13:55,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:13:55,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:13:55,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:13:55,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 825 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-14 07:13:55,216 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 07:13:55,729 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 07:13:55,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1287949325] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:13:55,729 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 07:13:55,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 25 [2024-11-14 07:13:55,793 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 36 treesize of output 30 [2024-11-14 07:13:55,802 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-14 07:13:55,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 18 [2024-11-14 07:13:55,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:13:55,834 INFO L85 PathProgramCache]: Analyzing trace with hash -448512, now seen corresponding path program 1 times [2024-11-14 07:13:55,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-14 07:13:55,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301747838] [2024-11-14 07:13:55,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:13:55,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:13:55,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:13:56,293 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 07:13:56,293 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-14 07:13:56,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301747838] [2024-11-14 07:13:56,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301747838] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:13:56,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1533581477] [2024-11-14 07:13:56,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:13:56,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:13:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:13:56,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 877 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-14 07:13:56,370 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 07:13:56,870 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 07:13:56,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1533581477] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:13:56,870 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 07:13:56,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 25 [2024-11-14 07:13:56,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:13:56,871 INFO L85 PathProgramCache]: Analyzing trace with hash 501740125, now seen corresponding path program 2 times [2024-11-14 07:13:56,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 07:13:56,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976817998] [2024-11-14 07:13:56,872 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:13:56,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:13:56,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:13:57,321 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 07:13:57,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 07:13:57,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976817998] [2024-11-14 07:13:57,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976817998] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:13:57,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1192466385] [2024-11-14 07:13:57,322 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 07:13:57,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 07:13:57,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 07:13:57,324 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 07:13:57,351 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 07:13:57,591 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-14 07:13:57,591 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 07:13:57,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 950 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-14 07:13:57,602 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 07:13:58,363 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-14 07:13:58,363 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 07:13:58,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1192466385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 07:13:58,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 07:13:58,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [15] total 36 [2024-11-14 07:13:58,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728410982] [2024-11-14 07:13:58,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 07:13:58,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-14 07:13:58,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 07:13:58,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-14 07:13:58,366 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1151, Unknown=0, NotChecked=0, Total=1260 [2024-11-14 07:13:58,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:13:58,366 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 07:13:58,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 19.0) internal successors, (437), 23 states have internal predecessors, (437), 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 07:13:58,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:13:58,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-14 07:13:58,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-14 07:13:58,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:13:58,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:13:58,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 07:13:58,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-14 07:13:58,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 07:13:58,889 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-14 07:13:59,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 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 [2024-11-14 07:13:59,075 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 3 more)] === [2024-11-14 07:13:59,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:13:59,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1222541243, now seen corresponding path program 3 times [2024-11-14 07:13:59,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 07:13:59,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76895472] [2024-11-14 07:13:59,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:13:59,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:13:59,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:13:59,506 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 64 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 07:13:59,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 07:13:59,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76895472] [2024-11-14 07:13:59,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76895472] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:13:59,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000339970] [2024-11-14 07:13:59,506 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 07:13:59,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 07:13:59,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 07:13:59,509 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 07:13:59,511 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 07:13:59,709 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-14 07:13:59,709 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 07:13:59,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 752 conjuncts, 91 conjuncts are in the unsatisfiable core [2024-11-14 07:13:59,722 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 07:13:59,869 INFO L349 Elim1Store]: treesize reduction 28, result has 39.1 percent of original size [2024-11-14 07:13:59,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 22 [2024-11-14 07:14:00,124 INFO L349 Elim1Store]: treesize reduction 28, result has 39.1 percent of original size [2024-11-14 07:14:00,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 28 [2024-11-14 07:14:00,183 INFO L349 Elim1Store]: treesize reduction 28, result has 39.1 percent of original size [2024-11-14 07:14:00,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 33 [2024-11-14 07:14:00,847 INFO L349 Elim1Store]: treesize reduction 27, result has 51.8 percent of original size [2024-11-14 07:14:00,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 71 treesize of output 59 [2024-11-14 07:14:03,669 INFO L349 Elim1Store]: treesize reduction 10, result has 91.6 percent of original size [2024-11-14 07:14:03,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 90 treesize of output 145 [2024-11-14 07:14:05,399 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-14 07:14:05,399 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 07:14:05,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000339970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 07:14:05,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 07:14:05,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [15] total 64 [2024-11-14 07:14:05,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967412255] [2024-11-14 07:14:05,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 07:14:05,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-11-14 07:14:05,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 07:14:05,401 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-11-14 07:14:05,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=3850, Unknown=0, NotChecked=0, Total=4032 [2024-11-14 07:14:05,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:14:05,403 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 07:14:05,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 7.0) internal successors, (357), 51 states have internal predecessors, (357), 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 07:14:05,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:14:05,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-14 07:14:05,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-14 07:14:05,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-14 07:14:05,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:14:45,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:14:45,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 07:14:45,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-14 07:14:45,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 07:14:45,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 380 states. [2024-11-14 07:14:45,981 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-14 07:14:46,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 07:14:46,169 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-14 07:14:46,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:14:46,170 INFO L85 PathProgramCache]: Analyzing trace with hash 2041165778, now seen corresponding path program 1 times [2024-11-14 07:14:46,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 07:14:46,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571395616] [2024-11-14 07:14:46,170 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:14:46,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:14:46,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:14:48,625 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 79 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 07:14:48,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 07:14:48,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571395616] [2024-11-14 07:14:48,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571395616] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:14:48,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1485639836] [2024-11-14 07:14:48,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:14:48,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 07:14:48,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 07:14:48,629 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 07:14:48,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-14 07:14:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:14:48,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 964 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-14 07:14:48,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 07:14:49,501 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 90 proven. 10 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-14 07:14:49,502 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 07:14:50,122 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 90 proven. 10 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-14 07:14:50,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1485639836] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 07:14:50,122 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 07:14:50,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [61, 15, 15] total 83 [2024-11-14 07:14:50,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920880002] [2024-11-14 07:14:50,123 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 07:14:50,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 83 states [2024-11-14 07:14:50,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 07:14:50,127 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2024-11-14 07:14:50,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=506, Invalid=6300, Unknown=0, NotChecked=0, Total=6806 [2024-11-14 07:14:50,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:14:50,131 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 07:14:50,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 83 states have (on average 10.481927710843374) internal successors, (870), 83 states have internal predecessors, (870), 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 07:14:50,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:14:50,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-14 07:14:50,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-14 07:14:50,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-14 07:14:50,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 380 states. [2024-11-14 07:14:50,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:14:51,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:14:51,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 07:14:51,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-14 07:14:51,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 07:14:51,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 380 states. [2024-11-14 07:14:51,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-14 07:14:51,040 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-14 07:14:51,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 07:14:51,228 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-14 07:14:51,269 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 36 treesize of output 30 [2024-11-14 07:14:51,276 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-14 07:14:51,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 18 [2024-11-14 07:14:51,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:14:51,297 INFO L85 PathProgramCache]: Analyzing trace with hash -615355744, now seen corresponding path program 1 times [2024-11-14 07:14:51,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-14 07:14:51,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421518282] [2024-11-14 07:14:51,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:14:51,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:14:51,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:14:51,588 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 2 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 07:14:51,589 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-14 07:14:51,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421518282] [2024-11-14 07:14:51,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421518282] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:14:51,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1514673050] [2024-11-14 07:14:51,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:14:51,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:14:51,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:14:51,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-14 07:14:51,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 07:14:52,121 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 10 proven. 107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 07:14:52,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1514673050] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:14:52,122 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 07:14:52,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 25 [2024-11-14 07:14:52,162 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 36 treesize of output 30 [2024-11-14 07:14:52,168 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-14 07:14:52,168 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 18 [2024-11-14 07:14:52,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:14:52,189 INFO L85 PathProgramCache]: Analyzing trace with hash -620118081, now seen corresponding path program 1 times [2024-11-14 07:14:52,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-14 07:14:52,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429747098] [2024-11-14 07:14:52,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:14:52,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:14:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:14:52,547 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 2 proven. 115 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 07:14:52,548 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-14 07:14:52,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429747098] [2024-11-14 07:14:52,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429747098] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:14:52,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [739031061] [2024-11-14 07:14:52,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:14:52,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:14:52,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:14:52,584 INFO L256 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-14 07:14:52,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 07:14:53,072 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 10 proven. 107 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 07:14:53,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [739031061] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:14:53,073 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 07:14:53,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 25 [2024-11-14 07:14:53,112 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 36 treesize of output 30 [2024-11-14 07:14:53,120 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-14 07:14:53,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 18 [2024-11-14 07:14:53,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:14:53,140 INFO L85 PathProgramCache]: Analyzing trace with hash -2043798918, now seen corresponding path program 1 times [2024-11-14 07:14:53,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-14 07:14:53,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397445135] [2024-11-14 07:14:53,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:14:53,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:14:53,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:14:53,546 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 2 proven. 115 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 07:14:53,546 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-14 07:14:53,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397445135] [2024-11-14 07:14:53,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397445135] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:14:53,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1186426681] [2024-11-14 07:14:53,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:14:53,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:14:53,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:14:53,585 INFO L256 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-14 07:14:53,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 07:14:54,100 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 10 proven. 107 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 07:14:54,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1186426681] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:14:54,101 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 07:14:54,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 25 [2024-11-14 07:14:54,150 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 36 treesize of output 30 [2024-11-14 07:14:54,156 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-14 07:14:54,156 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 18 [2024-11-14 07:14:54,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:14:54,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1722405987, now seen corresponding path program 1 times [2024-11-14 07:14:54,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-14 07:14:54,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670052401] [2024-11-14 07:14:54,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:14:54,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:14:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:14:54,577 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 2 proven. 115 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-14 07:14:54,577 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-14 07:14:54,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670052401] [2024-11-14 07:14:54,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670052401] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:14:54,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1707668721] [2024-11-14 07:14:54,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:14:54,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:14:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:14:54,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-14 07:14:54,608 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 07:14:55,144 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 10 proven. 107 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-14 07:14:55,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1707668721] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:14:55,144 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 07:14:55,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 25 [2024-11-14 07:14:55,184 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 36 treesize of output 30 [2024-11-14 07:14:55,190 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-14 07:14:55,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 18 [2024-11-14 07:14:55,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:14:55,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1461141976, now seen corresponding path program 1 times [2024-11-14 07:14:55,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-14 07:14:55,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108982723] [2024-11-14 07:14:55,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:14:55,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:14:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:14:55,607 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 2 proven. 115 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-14 07:14:55,608 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-14 07:14:55,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108982723] [2024-11-14 07:14:55,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108982723] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:14:55,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [161769505] [2024-11-14 07:14:55,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:14:55,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:14:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:14:55,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 825 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-14 07:14:55,651 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 07:14:56,134 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 10 proven. 107 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-14 07:14:56,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [161769505] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:14:56,134 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 07:14:56,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 25 [2024-11-14 07:14:56,180 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 36 treesize of output 30 [2024-11-14 07:14:56,188 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-14 07:14:56,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 18 [2024-11-14 07:14:56,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:14:56,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1470676061, now seen corresponding path program 1 times [2024-11-14 07:14:56,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-14 07:14:56,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216364962] [2024-11-14 07:14:56,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:14:56,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:14:56,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:14:56,529 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 2 proven. 115 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-14 07:14:56,529 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-14 07:14:56,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216364962] [2024-11-14 07:14:56,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216364962] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:14:56,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2069154247] [2024-11-14 07:14:56,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:14:56,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:14:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:14:56,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 873 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-14 07:14:56,568 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 07:14:57,060 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 10 proven. 107 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-14 07:14:57,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2069154247] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:14:57,060 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 07:14:57,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 25 [2024-11-14 07:14:57,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 07:14:57,062 INFO L85 PathProgramCache]: Analyzing trace with hash -961615996, now seen corresponding path program 2 times [2024-11-14 07:14:57,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 07:14:57,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080299435] [2024-11-14 07:14:57,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 07:14:57,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 07:14:57,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 07:14:57,409 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 2 proven. 115 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-14 07:14:57,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 07:14:57,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080299435] [2024-11-14 07:14:57,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080299435] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 07:14:57,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1847499033] [2024-11-14 07:14:57,409 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 07:14:57,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 07:14:57,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 07:14:57,412 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 07:14:57,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-14 07:14:57,583 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-14 07:14:57,583 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 07:14:57,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-14 07:14:57,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 07:14:57,637 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 15 treesize of output 7 [2024-11-14 07:14:58,073 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-11-14 07:14:58,073 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 07:14:58,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1847499033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 07:14:58,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 07:14:58,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [15] total 23 [2024-11-14 07:14:58,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019120113] [2024-11-14 07:14:58,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 07:14:58,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-14 07:14:58,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 07:14:58,074 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-14 07:14:58,075 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=454, Unknown=0, NotChecked=0, Total=506 [2024-11-14 07:14:58,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:14:58,075 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 07:14:58,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 19.8) internal successors, (198), 10 states have internal predecessors, (198), 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 07:14:58,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:14:58,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-14 07:14:58,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-14 07:14:58,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-14 07:14:58,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 380 states. [2024-11-14 07:14:58,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-14 07:14:58,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 07:15:28,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 07:19:31,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 07:20:12,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 07:20:18,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 07:20:22,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 07:20:24,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-14 07:21:57,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]