/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-queue-add-3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-e23131f-m [2024-05-03 05:23:52,776 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-03 05:23:52,835 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-05-03 05:23:52,839 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-03 05:23:52,839 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-03 05:23:52,840 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-05-03 05:23:52,862 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-03 05:23:52,862 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-03 05:23:52,862 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-03 05:23:52,865 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-03 05:23:52,865 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-03 05:23:52,866 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-03 05:23:52,866 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-03 05:23:52,867 INFO L153 SettingsManager]: * Use SBE=true [2024-05-03 05:23:52,867 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-03 05:23:52,867 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-03 05:23:52,868 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-03 05:23:52,868 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-03 05:23:52,868 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-03 05:23:52,868 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-03 05:23:52,868 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-03 05:23:52,868 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-03 05:23:52,868 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-03 05:23:52,869 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-03 05:23:52,869 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-03 05:23:52,870 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-03 05:23:52,870 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-03 05:23:52,870 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-03 05:23:52,870 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-03 05:23:52,870 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-03 05:23:52,871 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 05:23:52,871 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-03 05:23:52,871 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-03 05:23:52,871 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-05-03 05:23:52,871 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-03 05:23:52,872 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-03 05:23:52,872 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-05-03 05:23:52,872 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-05-03 05:23:52,872 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-03 05:23:52,872 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-03 05:23:52,872 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-03 05:23:52,872 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-03 05:23:53,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-03 05:23:53,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-03 05:23:53,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-03 05:23:53,089 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-03 05:23:53,089 INFO L274 PluginConnector]: CDTParser initialized [2024-05-03 05:23:53,090 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-queue-add-3.wvr.c [2024-05-03 05:23:54,036 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-03 05:23:54,189 INFO L384 CDTParser]: Found 1 translation units. [2024-05-03 05:23:54,189 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-queue-add-3.wvr.c [2024-05-03 05:23:54,199 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/579773e09/09d333ba9cc047468e29c30790e86680/FLAG90f5bea3f [2024-05-03 05:23:54,214 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/579773e09/09d333ba9cc047468e29c30790e86680 [2024-05-03 05:23:54,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-03 05:23:54,219 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-03 05:23:54,221 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-03 05:23:54,221 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-03 05:23:54,224 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-03 05:23:54,225 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 05:23:54" (1/1) ... [2024-05-03 05:23:54,226 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5852b430 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:23:54, skipping insertion in model container [2024-05-03 05:23:54,226 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 05:23:54" (1/1) ... [2024-05-03 05:23:54,254 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-03 05:23:54,413 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-queue-add-3.wvr.c[3412,3425] [2024-05-03 05:23:54,428 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 05:23:54,438 INFO L202 MainTranslator]: Completed pre-run [2024-05-03 05:23:54,471 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-queue-add-3.wvr.c[3412,3425] [2024-05-03 05:23:54,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 05:23:54,484 INFO L206 MainTranslator]: Completed translation [2024-05-03 05:23:54,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:23:54 WrapperNode [2024-05-03 05:23:54,484 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-03 05:23:54,485 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-03 05:23:54,485 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-03 05:23:54,485 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-03 05:23:54,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:23:54" (1/1) ... [2024-05-03 05:23:54,504 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:23:54" (1/1) ... [2024-05-03 05:23:54,528 INFO L138 Inliner]: procedures = 25, calls = 55, calls flagged for inlining = 16, calls inlined = 18, statements flattened = 254 [2024-05-03 05:23:54,528 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-03 05:23:54,529 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-03 05:23:54,529 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-03 05:23:54,529 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-03 05:23:54,536 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:23:54" (1/1) ... [2024-05-03 05:23:54,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:23:54" (1/1) ... [2024-05-03 05:23:54,539 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:23:54" (1/1) ... [2024-05-03 05:23:54,539 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:23:54" (1/1) ... [2024-05-03 05:23:54,547 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:23:54" (1/1) ... [2024-05-03 05:23:54,551 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:23:54" (1/1) ... [2024-05-03 05:23:54,552 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:23:54" (1/1) ... [2024-05-03 05:23:54,553 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:23:54" (1/1) ... [2024-05-03 05:23:54,555 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-03 05:23:54,559 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-03 05:23:54,559 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-03 05:23:54,559 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-03 05:23:54,560 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:23:54" (1/1) ... [2024-05-03 05:23:54,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 05:23:54,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:23:54,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-03 05:23:54,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-03 05:23:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-03 05:23:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-03 05:23:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-03 05:23:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-03 05:23:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-03 05:23:54,630 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-03 05:23:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-03 05:23:54,630 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-03 05:23:54,630 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-03 05:23:54,631 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-03 05:23:54,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-03 05:23:54,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-03 05:23:54,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-03 05:23:54,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-03 05:23:54,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-03 05:23:54,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-03 05:23:54,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-03 05:23:54,635 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-03 05:23:54,716 INFO L241 CfgBuilder]: Building ICFG [2024-05-03 05:23:54,717 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-03 05:23:55,021 INFO L282 CfgBuilder]: Performing block encoding [2024-05-03 05:23:55,106 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-03 05:23:55,107 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2024-05-03 05:23:55,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 05:23:55 BoogieIcfgContainer [2024-05-03 05:23:55,107 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-03 05:23:55,109 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-03 05:23:55,109 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-03 05:23:55,112 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-03 05:23:55,112 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.05 05:23:54" (1/3) ... [2024-05-03 05:23:55,112 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d8a009e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 05:23:55, skipping insertion in model container [2024-05-03 05:23:55,112 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:23:54" (2/3) ... [2024-05-03 05:23:55,113 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d8a009e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 05:23:55, skipping insertion in model container [2024-05-03 05:23:55,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 05:23:55" (3/3) ... [2024-05-03 05:23:55,114 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-queue-add-3.wvr.c [2024-05-03 05:23:55,120 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-03 05:23:55,127 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-03 05:23:55,127 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-03 05:23:55,127 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-03 05:23:55,189 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-05-03 05:23:55,229 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 05:23:55,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 05:23:55,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:23:55,236 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-03 05:23:55,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-03 05:23:55,270 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 05:23:55,276 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-03 05:23:55,281 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@30a1dcb9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 05:23:55,281 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-03 05:23:55,286 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:23:55,424 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:55,425 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:55,425 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:55,451 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:55,452 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:55,452 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:55,479 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:55,479 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:55,479 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:55,520 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:55,521 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:55,521 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:55,537 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:55,538 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:55,538 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:55,594 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:55,594 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:55,594 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:55,636 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:55,637 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:55,637 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:55,664 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:55,665 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:55,665 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:55,665 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:55,665 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:55,665 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:55,676 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:55,676 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:55,676 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:55,702 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:55,702 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:55,702 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:55,717 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:55,717 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:55,717 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:55,743 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:55,743 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:55,743 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:55,763 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:55,763 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:55,764 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:55,781 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:55,781 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:55,781 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:55,816 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:55,817 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:55,832 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:55,850 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:55,850 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:55,851 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:55,866 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:55,867 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:55,867 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:55,867 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:55,867 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:55,867 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:55,874 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:55,875 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:55,875 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:55,886 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:55,886 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:55,886 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:55,892 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:55,893 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:55,893 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:55,907 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:55,907 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:55,908 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:55,916 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:55,917 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:55,918 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:55,927 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:55,927 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:55,928 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:55,952 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:55,953 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:55,953 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:55,969 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:55,969 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:55,969 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:55,980 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:55,981 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:55,981 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:55,981 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:55,981 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:55,981 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:55,987 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:55,987 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:55,988 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,018 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,018 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,019 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,035 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,035 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,035 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,050 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,051 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,051 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,070 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,071 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,071 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,086 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,087 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,087 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,120 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,121 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,121 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,165 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,165 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,165 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,189 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,190 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,190 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,190 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,190 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,190 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,201 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,201 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,201 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,204 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 525 states. [2024-05-03 05:23:56,204 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 05:23:56,206 INFO L78 Accepts]: Start accepts. Automaton has currently 595 states, but on-demand construction may add more states Word has length 167 [2024-05-03 05:23:56,209 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:23:56,210 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:23:56,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:23:56,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1794585033, now seen corresponding path program 1 times [2024-05-03 05:23:56,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:23:56,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636773765] [2024-05-03 05:23:56,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:23:56,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:23:56,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:23:56,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:23:56,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:23:56,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636773765] [2024-05-03 05:23:56,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636773765] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 05:23:56,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 05:23:56,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-03 05:23:56,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814138629] [2024-05-03 05:23:56,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 05:23:56,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-03 05:23:56,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:23:56,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-03 05:23:56,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-03 05:23:56,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:23:56,518 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:23:56,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 83.5) internal successors, (167), 2 states have internal predecessors, (167), 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) [2024-05-03 05:23:56,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:23:56,519 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:23:56,549 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,549 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,549 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,553 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,553 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,554 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,560 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,560 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,560 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,566 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,567 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,567 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,573 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,573 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,573 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,593 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,593 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,594 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,608 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,609 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,609 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,617 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,618 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,618 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,618 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,618 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,618 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,623 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,623 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,623 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,630 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,630 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,630 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,637 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,637 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,637 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,644 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,645 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,645 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,652 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,654 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,655 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,660 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,660 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,660 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,674 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,674 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,675 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,685 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,685 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,685 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,691 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,691 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,691 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,691 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,691 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,692 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,695 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,695 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,695 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,701 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,701 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,701 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,705 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,705 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,705 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,710 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,710 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,711 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,716 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,716 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,716 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,721 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,721 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,721 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,736 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,736 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,736 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,745 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,745 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,745 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,777 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,777 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,778 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,778 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,778 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,778 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,782 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,782 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,782 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,855 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,855 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,855 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,864 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,865 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,865 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,877 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,877 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,878 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,888 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,888 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,889 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,899 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,899 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,899 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,923 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,924 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,924 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,942 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,942 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,942 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,954 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,955 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,955 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,955 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,955 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,955 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,964 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:56,964 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:56,965 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:56,972 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 576 states. [2024-05-03 05:23:56,972 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 05:23:56,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:23:56,972 INFO L78 Accepts]: Start accepts. Automaton has currently 670 states, but on-demand construction may add more states Word has length 161 [2024-05-03 05:23:56,975 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:23:56,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-03 05:23:56,975 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:23:56,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:23:56,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1835367216, now seen corresponding path program 1 times [2024-05-03 05:23:56,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:23:56,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619805992] [2024-05-03 05:23:56,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:23:56,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:23:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:23:57,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:23:57,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:23:57,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619805992] [2024-05-03 05:23:57,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619805992] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 05:23:57,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 05:23:57,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-03 05:23:57,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987837552] [2024-05-03 05:23:57,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 05:23:57,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-03 05:23:57,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:23:57,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-03 05:23:57,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-05-03 05:23:57,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:23:57,362 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:23:57,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.833333333333332) internal successors, (161), 6 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 05:23:57,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:23:57,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:23:57,362 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:23:57,455 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,455 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,456 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,459 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,459 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,459 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,464 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,464 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,464 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,469 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,470 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,470 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,474 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,474 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,474 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,486 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,486 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,486 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,496 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,496 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,496 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,502 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,502 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,502 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,502 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,502 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,502 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,505 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,506 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,506 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,511 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,512 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,512 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,515 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,516 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,516 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,521 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,521 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,521 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,526 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,526 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,526 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,531 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,531 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,531 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,543 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,543 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,543 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,552 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,552 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,553 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,559 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,559 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,559 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,559 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,559 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,559 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,563 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,563 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,563 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,569 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,569 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,569 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,572 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,573 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,573 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,578 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,578 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,578 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,583 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,584 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,584 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,588 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,589 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,589 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,601 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,601 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,601 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,610 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,610 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,610 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,616 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,617 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,617 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,617 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,617 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,617 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,621 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,621 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,621 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,645 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,645 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,645 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,655 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,655 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,655 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,668 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,668 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,668 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,705 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,706 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,706 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,716 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,716 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,716 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,733 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,733 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,733 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,747 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,747 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,747 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,758 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,759 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,759 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,759 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,759 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,759 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,769 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:57,769 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:57,769 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:57,795 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 584 states. [2024-05-03 05:23:57,796 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 05:23:57,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:23:57,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:23:57,796 INFO L78 Accepts]: Start accepts. Automaton has currently 678 states, but on-demand construction may add more states Word has length 169 [2024-05-03 05:23:57,797 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:23:57,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-03 05:23:57,797 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:23:57,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:23:57,797 INFO L85 PathProgramCache]: Analyzing trace with hash -98643900, now seen corresponding path program 1 times [2024-05-03 05:23:57,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:23:57,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765780819] [2024-05-03 05:23:57,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:23:57,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:23:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:23:57,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-03 05:23:57,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:23:57,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765780819] [2024-05-03 05:23:57,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765780819] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 05:23:57,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 05:23:57,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-03 05:23:57,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093948919] [2024-05-03 05:23:57,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 05:23:57,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-03 05:23:57,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:23:57,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-03 05:23:57,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-05-03 05:23:57,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:23:57,992 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:23:57,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.166666666666668) internal successors, (169), 6 states have internal predecessors, (169), 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) [2024-05-03 05:23:57,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:23:57,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:23:57,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:23:57,993 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:23:58,090 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,091 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,091 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,094 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,094 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,094 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,098 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,098 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,098 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,103 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,103 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,103 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,107 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,107 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,107 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,119 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,119 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,119 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,128 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,128 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,128 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,134 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,134 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,134 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,134 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,134 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,134 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,167 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,168 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,168 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,175 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,175 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,175 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,179 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,180 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,180 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,185 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,186 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,187 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,194 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,194 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,194 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,199 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,200 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,201 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,215 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,216 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,216 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,228 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,229 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,229 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,237 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,237 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,237 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,237 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,237 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,237 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,243 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,243 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,243 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,250 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,250 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,250 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,255 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,255 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,255 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,262 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,262 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,262 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,269 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,269 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,269 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,275 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,275 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,276 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,291 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,291 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,291 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,303 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,304 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,304 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,311 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,311 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,311 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,311 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,311 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,312 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,316 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,316 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,316 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,338 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,339 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,339 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,348 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,348 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,348 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,358 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,358 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,358 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,368 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,368 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,368 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,377 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,377 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,377 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,394 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,394 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,394 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,409 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,409 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,409 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,422 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,423 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,423 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,423 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,423 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,423 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,436 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:58,437 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:58,437 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:58,446 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 592 states. [2024-05-03 05:23:58,447 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 05:23:58,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:23:58,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:23:58,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:23:58,447 INFO L78 Accepts]: Start accepts. Automaton has currently 686 states, but on-demand construction may add more states Word has length 177 [2024-05-03 05:23:58,449 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:23:58,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-03 05:23:58,449 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:23:58,450 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:23:58,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1363382547, now seen corresponding path program 1 times [2024-05-03 05:23:58,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:23:58,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984508772] [2024-05-03 05:23:58,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:23:58,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:23:58,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:23:58,959 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-03 05:23:58,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:23:58,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984508772] [2024-05-03 05:23:58,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984508772] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 05:23:58,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 05:23:58,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-05-03 05:23:58,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474643921] [2024-05-03 05:23:58,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 05:23:58,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-05-03 05:23:58,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:23:58,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-05-03 05:23:58,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-05-03 05:23:58,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:23:58,963 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:23:58,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.75) internal successors, (177), 12 states have internal predecessors, (177), 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) [2024-05-03 05:23:58,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:23:58,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:23:58,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:23:58,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:23:58,963 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:23:59,107 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:59,107 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:59,107 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:59,113 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:59,113 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:59,113 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:59,120 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:59,120 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:59,120 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:59,131 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:59,131 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:59,131 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:59,139 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:59,140 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:59,140 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:59,160 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:59,160 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:59,160 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:59,175 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:59,176 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:59,176 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:59,187 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:59,187 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:59,187 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:59,187 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:59,187 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:59,187 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:59,192 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:59,192 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:59,193 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:59,199 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:59,199 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:59,199 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:59,204 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:59,204 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:59,204 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:59,236 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:59,236 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:59,236 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:59,243 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:59,243 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:59,243 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:59,249 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:59,249 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:59,250 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:59,266 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:59,266 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:59,266 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:59,278 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:59,278 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:59,278 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:59,287 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:59,287 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:59,287 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:59,287 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:59,287 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:59,287 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:59,292 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:59,292 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:59,292 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:59,314 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:59,314 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:59,315 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:59,326 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:59,327 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:59,327 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:59,340 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:59,340 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:59,340 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:59,354 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:59,354 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:59,354 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:59,367 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:59,368 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:59,368 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:59,391 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:59,391 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:59,391 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:59,410 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:59,411 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:59,411 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:59,427 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:59,427 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:59,427 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:59,427 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:59,427 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:59,427 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:59,440 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:59,440 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:59,440 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:23:59,462 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 608 states. [2024-05-03 05:23:59,463 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 05:23:59,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:23:59,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:23:59,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:23:59,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:23:59,463 INFO L78 Accepts]: Start accepts. Automaton has currently 723 states, but on-demand construction may add more states Word has length 182 [2024-05-03 05:23:59,464 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:23:59,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-03 05:23:59,464 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:23:59,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:23:59,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1556808117, now seen corresponding path program 1 times [2024-05-03 05:23:59,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:23:59,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802091174] [2024-05-03 05:23:59,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:23:59,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:23:59,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:23:59,700 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-03 05:23:59,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:23:59,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802091174] [2024-05-03 05:23:59,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802091174] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:23:59,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034440095] [2024-05-03 05:23:59,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:23:59,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:23:59,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:23:59,762 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:23:59,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-03 05:23:59,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:23:59,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 9 conjunts are in the unsatisfiable core [2024-05-03 05:23:59,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:24:00,064 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-03 05:24:00,064 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:24:00,302 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-03 05:24:00,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1034440095] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:24:00,302 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:24:00,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-05-03 05:24:00,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765515248] [2024-05-03 05:24:00,303 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:24:00,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-05-03 05:24:00,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:24:00,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-05-03 05:24:00,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2024-05-03 05:24:00,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:00,304 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:24:00,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 12.368421052631579) internal successors, (235), 19 states have internal predecessors, (235), 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) [2024-05-03 05:24:00,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:00,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:00,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:00,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:24:00,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:00,305 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:24:00,524 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:00,524 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:00,524 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:24:00,529 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:00,529 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:00,529 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:24:00,536 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:00,536 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:00,536 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:24:00,543 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:00,543 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:00,543 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:24:00,549 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:00,549 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:00,550 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:24:00,566 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:00,566 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:00,566 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:24:00,602 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:00,602 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:00,602 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:24:00,614 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:00,614 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:00,614 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:24:00,614 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:00,614 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:00,614 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:24:00,621 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:00,621 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:00,621 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:24:00,631 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:00,631 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:00,631 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:24:00,638 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:00,638 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:00,638 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:24:00,646 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:00,646 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:00,646 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:24:00,656 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:00,656 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:00,656 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:24:00,664 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:00,664 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:00,664 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:24:00,684 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:00,684 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:00,684 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:24:00,699 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:00,699 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:00,700 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:24:00,712 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:00,712 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:00,712 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:24:00,712 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:00,712 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:00,712 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:24:00,719 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:00,719 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:00,719 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:24:00,745 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:00,745 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:00,746 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:24:00,761 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:00,761 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:00,761 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:24:00,780 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:00,780 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:00,780 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:24:00,798 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:00,798 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:00,798 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:24:00,815 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:00,815 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:00,815 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:24:00,847 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:00,847 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:00,847 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:24:00,871 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:00,872 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:00,872 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:24:00,892 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:00,892 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:00,892 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:24:00,892 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:00,892 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:00,893 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:24:00,908 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:00,908 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:00,908 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:24:00,923 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 617 states. [2024-05-03 05:24:00,923 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 05:24:00,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:00,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:00,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:00,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:24:00,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:00,923 INFO L78 Accepts]: Start accepts. Automaton has currently 732 states, but on-demand construction may add more states Word has length 190 [2024-05-03 05:24:00,924 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:24:00,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-03 05:24:01,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:24:01,131 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:24:01,131 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:24:01,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1307826495, now seen corresponding path program 2 times [2024-05-03 05:24:01,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:24:01,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274739717] [2024-05-03 05:24:01,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:24:01,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:24:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:24:02,030 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-03 05:24:02,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:24:02,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274739717] [2024-05-03 05:24:02,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274739717] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:24:02,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919772633] [2024-05-03 05:24:02,031 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 05:24:02,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:24:02,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:24:02,032 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:24:02,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-03 05:24:02,158 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 05:24:02,158 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:24:02,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 23 conjunts are in the unsatisfiable core [2024-05-03 05:24:02,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:24:02,785 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-05-03 05:24:02,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 10 [2024-05-03 05:24:02,803 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-03 05:24:02,803 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:24:02,955 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-05-03 05:24:02,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 12 [2024-05-03 05:24:03,957 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-03 05:24:03,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919772633] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:24:03,957 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:24:03,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 14, 14] total 39 [2024-05-03 05:24:03,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544366984] [2024-05-03 05:24:03,958 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:24:03,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-05-03 05:24:03,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:24:03,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-05-03 05:24:03,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=1243, Unknown=0, NotChecked=0, Total=1482 [2024-05-03 05:24:03,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:03,960 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:24:03,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 10.948717948717949) internal successors, (427), 39 states have internal predecessors, (427), 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) [2024-05-03 05:24:03,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:03,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:03,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:03,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:24:03,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:03,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:03,960 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:24:04,800 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 344 states. [2024-05-03 05:24:04,801 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 05:24:04,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:04,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:04,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:04,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:24:04,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:04,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:24:04,801 INFO L78 Accepts]: Start accepts. Automaton has currently 346 states, but on-demand construction may add more states Word has length 213 [2024-05-03 05:24:04,802 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:24:04,815 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-05-03 05:24:05,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:24:05,003 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:24:05,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:24:05,004 INFO L85 PathProgramCache]: Analyzing trace with hash -894332373, now seen corresponding path program 1 times [2024-05-03 05:24:05,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:24:05,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333104161] [2024-05-03 05:24:05,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:24:05,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:24:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:24:05,377 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 15 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-05-03 05:24:05,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:24:05,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333104161] [2024-05-03 05:24:05,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333104161] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:24:05,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1337000500] [2024-05-03 05:24:05,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:24:05,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:24:05,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:24:05,379 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:24:05,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-03 05:24:05,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:24:05,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 15 conjunts are in the unsatisfiable core [2024-05-03 05:24:05,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:24:05,864 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 20 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-05-03 05:24:05,864 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:24:06,284 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 7 proven. 40 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-05-03 05:24:06,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1337000500] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:24:06,285 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:24:06,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37 [2024-05-03 05:24:06,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402900045] [2024-05-03 05:24:06,286 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:24:06,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-05-03 05:24:06,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:24:06,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-05-03 05:24:06,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=1097, Unknown=0, NotChecked=0, Total=1332 [2024-05-03 05:24:06,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:06,288 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:24:06,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 8.702702702702704) internal successors, (322), 37 states have internal predecessors, (322), 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) [2024-05-03 05:24:06,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:06,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:06,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:06,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:24:06,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:06,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:24:06,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:06,289 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:24:06,764 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 353 states. [2024-05-03 05:24:06,764 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 05:24:06,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:06,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:06,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:06,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:24:06,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:06,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:24:06,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:24:06,765 INFO L78 Accepts]: Start accepts. Automaton has currently 355 states, but on-demand construction may add more states Word has length 221 [2024-05-03 05:24:06,766 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:24:06,777 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-05-03 05:24:06,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:24:06,972 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:24:06,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:24:06,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1758383007, now seen corresponding path program 2 times [2024-05-03 05:24:06,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:24:06,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579613734] [2024-05-03 05:24:06,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:24:06,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:24:07,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:24:07,230 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-05-03 05:24:07,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:24:07,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579613734] [2024-05-03 05:24:07,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579613734] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:24:07,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580052118] [2024-05-03 05:24:07,231 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 05:24:07,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:24:07,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:24:07,232 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:24:07,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-03 05:24:07,360 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 05:24:07,360 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:24:07,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 9 conjunts are in the unsatisfiable core [2024-05-03 05:24:07,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:24:07,504 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-05-03 05:24:07,504 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:24:07,710 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-05-03 05:24:07,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [580052118] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:24:07,711 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:24:07,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-05-03 05:24:07,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177145380] [2024-05-03 05:24:07,712 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:24:07,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-05-03 05:24:07,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:24:07,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-05-03 05:24:07,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2024-05-03 05:24:07,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:07,715 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:24:07,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 12.526315789473685) internal successors, (238), 19 states have internal predecessors, (238), 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) [2024-05-03 05:24:07,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:07,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:07,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:07,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:24:07,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:07,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:24:07,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:24:07,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:07,715 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:24:07,975 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 362 states. [2024-05-03 05:24:07,975 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 05:24:07,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:07,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:07,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:07,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:24:07,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:07,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:24:07,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:24:07,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:07,976 INFO L78 Accepts]: Start accepts. Automaton has currently 364 states, but on-demand construction may add more states Word has length 229 [2024-05-03 05:24:07,977 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:24:07,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-03 05:24:08,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-05-03 05:24:08,182 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:24:08,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:24:08,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1761683144, now seen corresponding path program 3 times [2024-05-03 05:24:08,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:24:08,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695220544] [2024-05-03 05:24:08,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:24:08,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:24:08,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:24:09,828 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 4 proven. 71 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-03 05:24:09,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:24:09,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695220544] [2024-05-03 05:24:09,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695220544] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:24:09,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [523186776] [2024-05-03 05:24:09,829 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 05:24:09,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:24:09,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:24:09,831 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:24:09,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-03 05:24:10,038 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-05-03 05:24:10,038 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:24:10,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 10 conjunts are in the unsatisfiable core [2024-05-03 05:24:10,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:24:10,258 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 24 treesize of output 8 [2024-05-03 05:24:10,281 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-05-03 05:24:10,282 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:24:10,339 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-05-03 05:24:10,340 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 11 [2024-05-03 05:24:10,497 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-05-03 05:24:10,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [523186776] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:24:10,497 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:24:10,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 6, 6] total 31 [2024-05-03 05:24:10,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528491149] [2024-05-03 05:24:10,497 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:24:10,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-05-03 05:24:10,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:24:10,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-05-03 05:24:10,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=843, Unknown=0, NotChecked=0, Total=930 [2024-05-03 05:24:10,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:10,500 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:24:10,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 11.67741935483871) internal successors, (362), 31 states have internal predecessors, (362), 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) [2024-05-03 05:24:10,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:10,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:10,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:10,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:24:10,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:10,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:24:10,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:24:10,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:10,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:10,501 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:24:11,784 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 376 states. [2024-05-03 05:24:11,785 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 05:24:11,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:11,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:11,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:11,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:24:11,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:11,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:24:11,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:24:11,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:11,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-03 05:24:11,786 INFO L78 Accepts]: Start accepts. Automaton has currently 378 states, but on-demand construction may add more states Word has length 241 [2024-05-03 05:24:11,787 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:24:11,793 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-03 05:24:11,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:24:11,988 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:24:11,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:24:11,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1312172970, now seen corresponding path program 1 times [2024-05-03 05:24:11,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:24:11,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563272631] [2024-05-03 05:24:11,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:24:11,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:24:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:24:13,973 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-05-03 05:24:13,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:24:13,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563272631] [2024-05-03 05:24:13,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563272631] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:24:13,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1747206617] [2024-05-03 05:24:13,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:24:13,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:24:13,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:24:13,974 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:24:13,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-03 05:24:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:24:14,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 46 conjunts are in the unsatisfiable core [2024-05-03 05:24:14,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:24:15,117 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 1 proven. 107 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-05-03 05:24:15,118 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:24:15,354 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-03 05:24:15,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 14 [2024-05-03 05:24:16,855 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-05-03 05:24:16,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1747206617] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:24:16,856 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:24:16,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 23, 23] total 66 [2024-05-03 05:24:16,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4214737] [2024-05-03 05:24:16,856 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:24:16,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2024-05-03 05:24:16,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:24:16,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2024-05-03 05:24:16,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=636, Invalid=3654, Unknown=0, NotChecked=0, Total=4290 [2024-05-03 05:24:16,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:16,869 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:24:16,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 8.257575757575758) internal successors, (545), 66 states have internal predecessors, (545), 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) [2024-05-03 05:24:16,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:16,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:16,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:16,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:24:16,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:16,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:24:16,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:24:16,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:16,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-03 05:24:16,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:16,870 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:24:18,601 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:18,601 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:18,601 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:18,610 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:18,610 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:18,611 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:18,621 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:18,621 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:18,621 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:18,675 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:18,675 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:18,675 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:18,784 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:18,784 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:18,784 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:18,793 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:18,794 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:18,794 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:18,807 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:18,807 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:18,807 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:18,850 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:18,851 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:18,851 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:18,863 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:18,864 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:18,864 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:18,889 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:18,889 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:18,889 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:18,967 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 540 states. [2024-05-03 05:24:18,967 INFO L212 cStratifiedReduction]: Copied states 12 times. [2024-05-03 05:24:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:24:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:24:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:24:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:24:18,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:24:18,968 INFO L78 Accepts]: Start accepts. Automaton has currently 651 states, but on-demand construction may add more states Word has length 259 [2024-05-03 05:24:18,969 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:24:18,977 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-03 05:24:19,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-05-03 05:24:19,180 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:24:19,180 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:24:19,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1456124670, now seen corresponding path program 2 times [2024-05-03 05:24:19,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:24:19,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489881645] [2024-05-03 05:24:19,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:24:19,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:24:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:24:20,968 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 13 proven. 173 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-05-03 05:24:20,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:24:20,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489881645] [2024-05-03 05:24:20,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489881645] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:24:20,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [640300861] [2024-05-03 05:24:20,969 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 05:24:20,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:24:20,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:24:20,970 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:24:20,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-03 05:24:21,122 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 05:24:21,122 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:24:21,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 51 conjunts are in the unsatisfiable core [2024-05-03 05:24:21,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:24:22,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-05-03 05:24:22,472 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-05-03 05:24:22,473 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:24:22,807 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-03 05:24:22,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 14 [2024-05-03 05:24:24,413 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-05-03 05:24:24,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [640300861] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:24:24,413 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:24:24,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 27, 27] total 81 [2024-05-03 05:24:24,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67904622] [2024-05-03 05:24:24,413 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:24:24,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2024-05-03 05:24:24,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:24:24,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2024-05-03 05:24:24,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=908, Invalid=5572, Unknown=0, NotChecked=0, Total=6480 [2024-05-03 05:24:24,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:24,420 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:24:24,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 7.604938271604938) internal successors, (616), 81 states have internal predecessors, (616), 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) [2024-05-03 05:24:24,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:24,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:24,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:24,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:24:24,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:24,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:24:24,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:24:24,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:24,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:24:24,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:24:24,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:24,422 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:24:26,901 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:26,901 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:26,901 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:26,907 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:26,907 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:26,907 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:26,918 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:26,918 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:26,918 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:26,930 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:26,930 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:26,930 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:26,942 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:26,942 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:26,942 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:26,954 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:26,954 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:26,954 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:26,971 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:26,971 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:26,971 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:27,024 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 574 states. [2024-05-03 05:24:27,024 INFO L212 cStratifiedReduction]: Copied states 6 times. [2024-05-03 05:24:27,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:27,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:27,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:27,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:24:27,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:27,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:24:27,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:24:27,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:27,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:24:27,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:24:27,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-03 05:24:27,025 INFO L78 Accepts]: Start accepts. Automaton has currently 664 states, but on-demand construction may add more states Word has length 287 [2024-05-03 05:24:27,027 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:24:27,035 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-03 05:24:27,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:24:27,240 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:24:27,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:24:27,240 INFO L85 PathProgramCache]: Analyzing trace with hash -218714248, now seen corresponding path program 3 times [2024-05-03 05:24:27,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:24:27,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982041050] [2024-05-03 05:24:27,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:24:27,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:24:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:24:27,851 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 114 proven. 222 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-05-03 05:24:27,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:24:27,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982041050] [2024-05-03 05:24:27,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982041050] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:24:27,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157546601] [2024-05-03 05:24:27,853 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 05:24:27,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:24:27,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:24:27,854 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:24:27,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-03 05:24:28,143 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-05-03 05:24:28,144 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:24:28,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 13 conjunts are in the unsatisfiable core [2024-05-03 05:24:28,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:24:28,798 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 101 proven. 14 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2024-05-03 05:24:28,798 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:24:29,856 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 61 proven. 54 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2024-05-03 05:24:29,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157546601] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:24:29,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:24:29,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 14, 14] total 51 [2024-05-03 05:24:29,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471549222] [2024-05-03 05:24:29,857 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:24:29,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-05-03 05:24:29,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:24:29,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-05-03 05:24:29,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=288, Invalid=2262, Unknown=0, NotChecked=0, Total=2550 [2024-05-03 05:24:29,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:29,859 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:24:29,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 11.392156862745098) internal successors, (581), 51 states have internal predecessors, (581), 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) [2024-05-03 05:24:29,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:29,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:29,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:29,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:24:29,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:29,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:24:29,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:24:29,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:29,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:24:29,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:24:29,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-03 05:24:29,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:29,860 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:24:31,357 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:31,357 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:31,357 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:31,362 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:31,362 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:31,362 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:31,372 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:31,372 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:31,372 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:31,383 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:31,384 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:31,384 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:31,395 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:31,395 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:31,395 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:31,406 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:31,406 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:31,406 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:31,423 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:31,423 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:31,423 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:31,449 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 592 states. [2024-05-03 05:24:31,449 INFO L212 cStratifiedReduction]: Copied states 6 times. [2024-05-03 05:24:31,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:31,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:31,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:31,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:24:31,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:31,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:24:31,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:24:31,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:31,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:24:31,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:24:31,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-03 05:24:31,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:24:31,450 INFO L78 Accepts]: Start accepts. Automaton has currently 682 states, but on-demand construction may add more states Word has length 303 [2024-05-03 05:24:31,452 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:24:31,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-05-03 05:24:31,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:24:31,657 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:24:31,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:24:31,657 INFO L85 PathProgramCache]: Analyzing trace with hash -440365099, now seen corresponding path program 4 times [2024-05-03 05:24:31,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:24:31,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933094363] [2024-05-03 05:24:31,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:24:31,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:24:31,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:24:32,363 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 148 proven. 247 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-05-03 05:24:32,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:24:32,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933094363] [2024-05-03 05:24:32,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933094363] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:24:32,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2076846596] [2024-05-03 05:24:32,364 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-03 05:24:32,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:24:32,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:24:32,365 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:24:32,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-03 05:24:32,507 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-03 05:24:32,507 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:24:32,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 30 conjunts are in the unsatisfiable core [2024-05-03 05:24:32,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:24:33,311 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 163 proven. 232 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-05-03 05:24:33,311 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:24:34,229 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 120 proven. 275 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-05-03 05:24:34,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2076846596] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:24:34,229 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:24:34,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 82 [2024-05-03 05:24:34,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931379322] [2024-05-03 05:24:34,229 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:24:34,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2024-05-03 05:24:34,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:24:34,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2024-05-03 05:24:34,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1015, Invalid=5627, Unknown=0, NotChecked=0, Total=6642 [2024-05-03 05:24:34,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:34,232 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:24:34,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 6.646341463414634) internal successors, (545), 82 states have internal predecessors, (545), 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) [2024-05-03 05:24:34,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:34,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:34,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:34,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:24:34,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:34,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:24:34,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:24:34,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:34,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:24:34,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:24:34,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-03 05:24:34,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:24:34,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:34,233 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:24:35,160 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:35,161 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:35,161 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:35,165 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:35,165 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:35,165 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:35,176 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:35,176 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:35,176 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:35,194 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:35,194 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:35,194 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:35,206 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:35,206 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:35,206 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:35,217 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:35,217 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:35,217 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:35,233 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:35,233 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:35,233 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:35,262 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 601 states. [2024-05-03 05:24:35,262 INFO L212 cStratifiedReduction]: Copied states 6 times. [2024-05-03 05:24:35,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:35,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:35,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:35,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:24:35,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:35,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:24:35,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:24:35,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:35,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:24:35,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:24:35,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-03 05:24:35,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:24:35,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 05:24:35,263 INFO L78 Accepts]: Start accepts. Automaton has currently 691 states, but on-demand construction may add more states Word has length 311 [2024-05-03 05:24:35,264 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:24:35,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-05-03 05:24:35,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-05-03 05:24:35,469 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:24:35,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:24:35,469 INFO L85 PathProgramCache]: Analyzing trace with hash -984186807, now seen corresponding path program 5 times [2024-05-03 05:24:35,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:24:35,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333667219] [2024-05-03 05:24:35,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:24:35,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:24:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:24:36,933 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 15 proven. 119 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2024-05-03 05:24:36,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:24:36,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333667219] [2024-05-03 05:24:36,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333667219] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:24:36,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221757914] [2024-05-03 05:24:36,934 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-03 05:24:36,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:24:36,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:24:36,936 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:24:36,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-05-03 05:24:37,163 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-05-03 05:24:37,163 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:24:37,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 28 conjunts are in the unsatisfiable core [2024-05-03 05:24:37,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:24:37,574 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 24 treesize of output 8 [2024-05-03 05:24:37,576 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2024-05-03 05:24:37,576 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:24:37,640 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-03 05:24:37,640 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 13 [2024-05-03 05:24:37,847 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 2 proven. 105 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2024-05-03 05:24:37,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1221757914] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:24:37,848 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:24:37,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 13, 8] total 35 [2024-05-03 05:24:37,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738777785] [2024-05-03 05:24:37,848 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:24:37,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-05-03 05:24:37,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:24:37,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-05-03 05:24:37,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=1091, Unknown=0, NotChecked=0, Total=1190 [2024-05-03 05:24:37,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:37,850 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:24:37,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 11.17142857142857) internal successors, (391), 35 states have internal predecessors, (391), 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) [2024-05-03 05:24:37,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:37,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:37,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:37,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:24:37,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:37,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:24:37,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:24:37,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:37,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:24:37,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:24:37,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-03 05:24:37,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:24:37,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 05:24:37,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:37,851 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:24:39,266 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:39,266 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:39,266 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:39,272 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:39,272 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:39,272 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:39,292 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:39,292 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:39,292 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:39,312 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:39,313 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:39,313 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:39,376 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:39,376 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:39,376 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:39,387 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:39,388 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:39,388 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:39,411 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:39,411 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:39,411 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:39,512 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:39,513 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:39,513 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:39,534 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:39,534 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:39,534 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:39,591 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:39,592 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:39,592 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:39,645 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 689 states. [2024-05-03 05:24:39,645 INFO L212 cStratifiedReduction]: Copied states 12 times. [2024-05-03 05:24:39,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:39,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:39,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:39,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:24:39,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:39,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:24:39,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:24:39,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:39,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:24:39,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:24:39,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-03 05:24:39,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:24:39,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 05:24:39,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-03 05:24:39,648 INFO L78 Accepts]: Start accepts. Automaton has currently 843 states, but on-demand construction may add more states Word has length 323 [2024-05-03 05:24:39,650 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:24:39,669 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-05-03 05:24:39,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:24:39,855 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:24:39,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:24:39,856 INFO L85 PathProgramCache]: Analyzing trace with hash 2105920588, now seen corresponding path program 6 times [2024-05-03 05:24:39,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:24:39,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770658781] [2024-05-03 05:24:39,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:24:39,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:24:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:24:42,023 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 43 proven. 417 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-05-03 05:24:42,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:24:42,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770658781] [2024-05-03 05:24:42,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770658781] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:24:42,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1747373931] [2024-05-03 05:24:42,023 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-03 05:24:42,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:24:42,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:24:42,024 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:24:42,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-05-03 05:24:42,543 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-05-03 05:24:42,543 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:24:42,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 15 conjunts are in the unsatisfiable core [2024-05-03 05:24:42,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:24:42,917 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2024-05-03 05:24:42,918 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:24:43,057 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-03 05:24:43,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 14 [2024-05-03 05:24:43,226 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2024-05-03 05:24:43,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1747373931] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:24:43,226 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:24:43,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 9, 9] total 52 [2024-05-03 05:24:43,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201773998] [2024-05-03 05:24:43,226 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:24:43,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-05-03 05:24:43,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:24:43,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-05-03 05:24:43,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=215, Invalid=2437, Unknown=0, NotChecked=0, Total=2652 [2024-05-03 05:24:43,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:43,228 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:24:43,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 9.326923076923077) internal successors, (485), 52 states have internal predecessors, (485), 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) [2024-05-03 05:24:43,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:43,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:43,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:43,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:24:43,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:43,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:24:43,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:24:43,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:43,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:24:43,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:24:43,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-03 05:24:43,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:24:43,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 05:24:43,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-03 05:24:43,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:43,229 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:24:45,430 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:45,430 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:45,430 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:45,435 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:45,435 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:45,435 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:45,449 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:45,449 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:45,449 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:45,464 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:45,465 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:45,465 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:45,500 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:45,501 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:45,501 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:45,509 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:45,509 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:45,509 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:45,528 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:45,528 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:45,528 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:45,543 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:45,543 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:45,543 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:45,561 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:45,561 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:45,561 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:45,590 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:45,590 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:45,590 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:45,642 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 725 states. [2024-05-03 05:24:45,642 INFO L212 cStratifiedReduction]: Copied states 12 times. [2024-05-03 05:24:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:24:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:24:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:24:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:24:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:24:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-03 05:24:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:24:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 05:24:45,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-03 05:24:45,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-05-03 05:24:45,643 INFO L78 Accepts]: Start accepts. Automaton has currently 882 states, but on-demand construction may add more states Word has length 341 [2024-05-03 05:24:45,645 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:24:45,651 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-05-03 05:24:45,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-05-03 05:24:45,845 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:24:45,846 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:24:45,846 INFO L85 PathProgramCache]: Analyzing trace with hash -630247750, now seen corresponding path program 7 times [2024-05-03 05:24:45,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:24:45,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584816479] [2024-05-03 05:24:45,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:24:45,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:24:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:24:48,114 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 108 proven. 481 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-05-03 05:24:48,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:24:48,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584816479] [2024-05-03 05:24:48,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584816479] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:24:48,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1341649844] [2024-05-03 05:24:48,114 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-03 05:24:48,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:24:48,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:24:48,115 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:24:48,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-05-03 05:24:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:24:48,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 69 conjunts are in the unsatisfiable core [2024-05-03 05:24:48,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:24:50,204 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 11 treesize of output 3 [2024-05-03 05:24:50,308 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 5 proven. 584 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-05-03 05:24:50,308 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:24:50,898 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-03 05:24:50,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 14 [2024-05-03 05:24:53,491 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 10 proven. 579 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-05-03 05:24:53,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1341649844] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:24:53,492 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:24:53,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 41, 41] total 122 [2024-05-03 05:24:53,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854493294] [2024-05-03 05:24:53,493 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:24:53,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 122 states [2024-05-03 05:24:53,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:24:53,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2024-05-03 05:24:53,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2121, Invalid=12641, Unknown=0, NotChecked=0, Total=14762 [2024-05-03 05:24:53,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:53,498 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:24:53,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 122 states, 122 states have (on average 6.524590163934426) internal successors, (796), 122 states have internal predecessors, (796), 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) [2024-05-03 05:24:53,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:53,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:53,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:53,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:24:53,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:53,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:24:53,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:24:53,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:53,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:24:53,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:24:53,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-03 05:24:53,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:24:53,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 05:24:53,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-03 05:24:53,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-05-03 05:24:53,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:53,499 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:24:56,957 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:56,957 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:56,957 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:56,962 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:56,962 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:56,962 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:56,976 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:56,976 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:56,976 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:56,992 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:56,992 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:56,992 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:57,037 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:57,037 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:57,037 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:57,046 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:57,047 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:57,047 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n2~0, ~q2_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:57,065 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:57,065 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:57,065 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:57,082 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:57,082 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:57,082 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:57,098 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:57,098 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:57,098 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:57,122 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:57,123 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:57,123 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:57,182 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 750 states. [2024-05-03 05:24:57,182 INFO L212 cStratifiedReduction]: Copied states 12 times. [2024-05-03 05:24:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:24:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:24:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:24:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:24:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:24:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-03 05:24:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:24:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 05:24:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-03 05:24:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-05-03 05:24:57,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-05-03 05:24:57,183 INFO L78 Accepts]: Start accepts. Automaton has currently 907 states, but on-demand construction may add more states Word has length 354 [2024-05-03 05:24:57,185 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:24:57,193 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-05-03 05:24:57,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-05-03 05:24:57,391 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:24:57,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:24:57,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1653601584, now seen corresponding path program 8 times [2024-05-03 05:24:57,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:24:57,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125952550] [2024-05-03 05:24:57,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:24:57,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:24:57,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:24:59,927 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 142 proven. 574 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-05-03 05:24:59,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:24:59,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125952550] [2024-05-03 05:24:59,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125952550] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:24:59,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1477549183] [2024-05-03 05:24:59,927 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 05:24:59,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:24:59,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:24:59,928 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:24:59,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-05-03 05:25:00,097 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 05:25:00,097 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:25:00,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 40 conjunts are in the unsatisfiable core [2024-05-03 05:25:00,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:25:01,249 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 20 treesize of output 8 [2024-05-03 05:25:01,282 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 243 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2024-05-03 05:25:01,282 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:25:01,711 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-03 05:25:01,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 13 [2024-05-03 05:25:04,189 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 2 proven. 241 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2024-05-03 05:25:04,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1477549183] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:25:04,189 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:25:04,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 23, 23] total 90 [2024-05-03 05:25:04,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610817092] [2024-05-03 05:25:04,189 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:25:04,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2024-05-03 05:25:04,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:25:04,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2024-05-03 05:25:04,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=653, Invalid=7357, Unknown=0, NotChecked=0, Total=8010 [2024-05-03 05:25:04,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:25:04,192 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:25:04,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 7.822222222222222) internal successors, (704), 90 states have internal predecessors, (704), 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) [2024-05-03 05:25:04,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:25:04,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:25:04,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:25:04,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:25:04,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:25:04,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:25:04,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:25:04,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:25:04,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:25:04,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:25:04,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-03 05:25:04,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:25:04,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 05:25:04,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-03 05:25:04,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-05-03 05:25:04,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-05-03 05:25:04,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:25:04,193 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:25:08,671 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:08,671 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:25:08,671 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:25:08,729 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:08,730 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:25:08,730 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:25:08,747 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:08,747 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:25:08,747 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:25:08,767 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:08,767 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:25:08,767 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:25:09,321 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 752 states. [2024-05-03 05:25:09,321 INFO L212 cStratifiedReduction]: Copied states 6 times. [2024-05-03 05:25:09,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:25:09,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:25:09,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:25:09,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:25:09,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:25:09,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:25:09,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:25:09,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:25:09,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:25:09,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:25:09,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-03 05:25:09,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:25:09,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 05:25:09,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-03 05:25:09,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-05-03 05:25:09,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-05-03 05:25:09,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2024-05-03 05:25:09,323 INFO L78 Accepts]: Start accepts. Automaton has currently 837 states, but on-demand construction may add more states Word has length 394 [2024-05-03 05:25:09,325 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:25:09,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-05-03 05:25:09,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-05-03 05:25:09,528 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:25:09,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:25:09,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1835898645, now seen corresponding path program 9 times [2024-05-03 05:25:09,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:25:09,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41291115] [2024-05-03 05:25:09,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:25:09,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:25:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:25:10,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1066 backedges. 136 proven. 286 refuted. 0 times theorem prover too weak. 644 trivial. 0 not checked. [2024-05-03 05:25:10,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:25:10,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41291115] [2024-05-03 05:25:10,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41291115] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:25:10,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2031930006] [2024-05-03 05:25:10,085 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 05:25:10,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:25:10,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:25:10,088 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:25:10,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-05-03 05:25:10,916 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-05-03 05:25:10,916 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:25:10,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 22 conjunts are in the unsatisfiable core [2024-05-03 05:25:10,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:25:11,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1066 backedges. 255 proven. 167 refuted. 0 times theorem prover too weak. 644 trivial. 0 not checked. [2024-05-03 05:25:11,758 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:25:13,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1066 backedges. 202 proven. 220 refuted. 0 times theorem prover too weak. 644 trivial. 0 not checked. [2024-05-03 05:25:13,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2031930006] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:25:13,307 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:25:13,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 23, 23] total 63 [2024-05-03 05:25:13,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714890789] [2024-05-03 05:25:13,308 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:25:13,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-05-03 05:25:13,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:25:13,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-05-03 05:25:13,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=675, Invalid=3231, Unknown=0, NotChecked=0, Total=3906 [2024-05-03 05:25:13,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:25:13,310 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:25:13,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 10.571428571428571) internal successors, (666), 63 states have internal predecessors, (666), 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) [2024-05-03 05:25:13,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:25:13,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:25:13,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:25:13,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:25:13,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:25:13,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:25:13,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:25:13,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:25:13,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:25:13,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:25:13,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-03 05:25:13,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:25:13,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 05:25:13,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-03 05:25:13,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-05-03 05:25:13,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-05-03 05:25:13,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2024-05-03 05:25:13,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:25:13,311 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:25:14,237 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:14,237 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:25:14,237 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:25:14,243 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:14,243 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:25:14,243 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:25:14,265 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:14,265 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:25:14,265 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:25:14,285 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:14,285 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:25:14,285 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:25:14,338 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 761 states. [2024-05-03 05:25:14,338 INFO L212 cStratifiedReduction]: Copied states 6 times. [2024-05-03 05:25:14,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:25:14,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:25:14,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:25:14,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:25:14,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:25:14,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:25:14,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:25:14,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:25:14,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:25:14,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:25:14,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-03 05:25:14,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:25:14,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 05:25:14,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-03 05:25:14,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-05-03 05:25:14,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-05-03 05:25:14,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2024-05-03 05:25:14,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-03 05:25:14,339 INFO L78 Accepts]: Start accepts. Automaton has currently 846 states, but on-demand construction may add more states Word has length 402 [2024-05-03 05:25:14,342 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:25:14,350 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-05-03 05:25:14,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-05-03 05:25:14,542 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:25:14,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:25:14,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1236794270, now seen corresponding path program 10 times [2024-05-03 05:25:14,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:25:14,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154569209] [2024-05-03 05:25:14,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:25:14,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:25:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:25:15,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 400 proven. 563 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-05-03 05:25:15,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:25:15,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154569209] [2024-05-03 05:25:15,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154569209] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:25:15,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068486844] [2024-05-03 05:25:15,674 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-03 05:25:15,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:25:15,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:25:15,675 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:25:15,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-05-03 05:25:15,853 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-03 05:25:15,853 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:25:15,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 42 conjunts are in the unsatisfiable core [2024-05-03 05:25:15,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:25:17,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 423 proven. 540 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-05-03 05:25:17,208 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:25:18,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 356 proven. 607 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-05-03 05:25:18,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2068486844] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:25:18,757 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:25:18,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 42, 42] total 118 [2024-05-03 05:25:18,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233091956] [2024-05-03 05:25:18,758 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:25:18,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 118 states [2024-05-03 05:25:18,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:25:18,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2024-05-03 05:25:18,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2035, Invalid=11771, Unknown=0, NotChecked=0, Total=13806 [2024-05-03 05:25:18,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:25:18,763 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:25:18,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 118 states, 118 states have (on average 6.389830508474576) internal successors, (754), 118 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 05:25:18,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:25:18,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:25:18,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:25:18,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:25:18,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:25:18,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:25:18,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:25:18,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:25:18,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:25:18,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:25:18,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-03 05:25:18,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:25:18,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 05:25:18,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-03 05:25:18,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-05-03 05:25:18,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-05-03 05:25:18,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2024-05-03 05:25:18,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-03 05:25:18,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:25:18,764 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:25:20,192 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:20,192 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:25:20,192 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:25:20,196 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:20,196 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:25:20,197 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:25:20,217 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:20,217 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:25:20,217 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:25:20,235 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:20,235 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:25:20,235 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:25:20,293 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 770 states. [2024-05-03 05:25:20,293 INFO L212 cStratifiedReduction]: Copied states 6 times. [2024-05-03 05:25:20,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:25:20,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:25:20,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:25:20,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:25:20,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:25:20,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:25:20,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:25:20,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:25:20,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:25:20,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:25:20,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-03 05:25:20,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:25:20,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 05:25:20,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-03 05:25:20,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-05-03 05:25:20,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-05-03 05:25:20,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2024-05-03 05:25:20,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-03 05:25:20,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-03 05:25:20,294 INFO L78 Accepts]: Start accepts. Automaton has currently 855 states, but on-demand construction may add more states Word has length 410 [2024-05-03 05:25:20,297 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:25:20,307 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-05-03 05:25:20,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:25:20,508 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:25:20,509 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:25:20,509 INFO L85 PathProgramCache]: Analyzing trace with hash 45301614, now seen corresponding path program 11 times [2024-05-03 05:25:20,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:25:20,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261052678] [2024-05-03 05:25:20,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:25:20,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:25:20,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:25:23,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1204 backedges. 260 proven. 800 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-05-03 05:25:23,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:25:23,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261052678] [2024-05-03 05:25:23,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261052678] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:25:23,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079564517] [2024-05-03 05:25:23,782 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-03 05:25:23,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:25:23,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:25:23,783 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:25:23,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-05-03 05:25:24,579 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2024-05-03 05:25:24,579 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:25:24,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 850 conjuncts, 50 conjunts are in the unsatisfiable core [2024-05-03 05:25:24,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:25:25,642 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 24 treesize of output 8 [2024-05-03 05:25:25,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1204 backedges. 1 proven. 476 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2024-05-03 05:25:25,682 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:25:25,830 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-03 05:25:25,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 13 [2024-05-03 05:25:26,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1204 backedges. 0 proven. 352 refuted. 0 times theorem prover too weak. 852 trivial. 0 not checked. [2024-05-03 05:25:26,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079564517] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:25:26,087 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:25:26,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 24, 12] total 81 [2024-05-03 05:25:26,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177549965] [2024-05-03 05:25:26,088 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:25:26,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2024-05-03 05:25:26,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:25:26,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2024-05-03 05:25:26,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=440, Invalid=6040, Unknown=0, NotChecked=0, Total=6480 [2024-05-03 05:25:26,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:25:26,094 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:25:26,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 7.518518518518518) internal successors, (609), 81 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 05:25:26,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:25:26,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:25:26,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:25:26,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:25:26,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:25:26,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:25:26,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:25:26,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:25:26,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:25:26,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:25:26,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-03 05:25:26,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:25:26,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 05:25:26,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-03 05:25:26,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-05-03 05:25:26,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-05-03 05:25:26,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2024-05-03 05:25:26,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-03 05:25:26,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-05-03 05:25:26,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:25:26,096 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:25:31,205 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:31,205 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:25:31,205 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:25:31,210 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:31,210 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:25:31,210 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:25:31,237 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:31,237 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:25:31,237 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:25:31,262 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:31,262 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:25:31,262 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:25:31,541 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 903 states. [2024-05-03 05:25:31,541 INFO L212 cStratifiedReduction]: Copied states 6 times. [2024-05-03 05:25:31,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:25:31,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:25:31,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:25:31,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:25:31,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:25:31,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:25:31,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:25:31,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:25:31,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:25:31,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:25:31,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-03 05:25:31,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:25:31,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 05:25:31,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-03 05:25:31,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-05-03 05:25:31,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-05-03 05:25:31,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2024-05-03 05:25:31,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-03 05:25:31,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-03 05:25:31,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-05-03 05:25:31,543 INFO L78 Accepts]: Start accepts. Automaton has currently 1069 states, but on-demand construction may add more states Word has length 432 [2024-05-03 05:25:31,546 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:25:31,553 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-05-03 05:25:31,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:25:31,753 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:25:31,754 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:25:31,754 INFO L85 PathProgramCache]: Analyzing trace with hash 189485582, now seen corresponding path program 12 times [2024-05-03 05:25:31,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:25:31,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478161460] [2024-05-03 05:25:31,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:25:31,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:25:31,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:25:32,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1416 backedges. 195 proven. 361 refuted. 0 times theorem prover too weak. 860 trivial. 0 not checked. [2024-05-03 05:25:32,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:25:32,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478161460] [2024-05-03 05:25:32,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478161460] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:25:32,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1495354189] [2024-05-03 05:25:32,401 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-03 05:25:32,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:25:32,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:25:32,402 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:25:32,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-05-03 05:25:37,825 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2024-05-03 05:25:37,825 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:25:37,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 56 conjunts are in the unsatisfiable core [2024-05-03 05:25:37,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:25:39,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1416 backedges. 400 proven. 156 refuted. 0 times theorem prover too weak. 860 trivial. 0 not checked. [2024-05-03 05:25:39,339 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:25:40,256 INFO L349 Elim1Store]: treesize reduction 20, result has 51.2 percent of original size [2024-05-03 05:25:40,256 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 61 treesize of output 37 [2024-05-03 05:25:43,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1416 backedges. 67 proven. 521 refuted. 0 times theorem prover too weak. 828 trivial. 0 not checked. [2024-05-03 05:25:43,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1495354189] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:25:43,362 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:25:43,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 30, 35] total 85 [2024-05-03 05:25:43,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649216092] [2024-05-03 05:25:43,362 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:25:43,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-05-03 05:25:43,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:25:43,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-05-03 05:25:43,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1032, Invalid=6108, Unknown=0, NotChecked=0, Total=7140 [2024-05-03 05:25:43,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:25:43,365 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:25:43,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 8.764705882352942) internal successors, (745), 85 states have internal predecessors, (745), 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) [2024-05-03 05:25:43,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:25:43,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:25:43,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:25:43,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:25:43,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:25:43,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:25:43,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:25:43,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:25:43,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:25:43,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:25:43,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-03 05:25:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:25:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 05:25:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-03 05:25:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-05-03 05:25:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-05-03 05:25:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2024-05-03 05:25:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-03 05:25:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-05-03 05:25:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-05-03 05:25:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:25:43,366 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:25:45,660 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:45,660 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:25:45,661 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:25:45,665 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:45,665 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:25:45,665 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:25:45,698 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:45,698 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:25:45,698 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:25:45,724 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:45,724 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:25:45,724 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:25:45,900 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 931 states. [2024-05-03 05:25:45,900 INFO L212 cStratifiedReduction]: Copied states 6 times. [2024-05-03 05:25:45,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:25:45,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:25:45,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:25:45,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:25:45,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:25:45,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:25:45,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:25:45,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:25:45,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:25:45,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:25:45,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-03 05:25:45,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:25:45,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 05:25:45,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-03 05:25:45,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-05-03 05:25:45,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-05-03 05:25:45,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2024-05-03 05:25:45,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-03 05:25:45,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-03 05:25:45,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-05-03 05:25:45,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-05-03 05:25:45,901 INFO L78 Accepts]: Start accepts. Automaton has currently 1097 states, but on-demand construction may add more states Word has length 464 [2024-05-03 05:25:45,905 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:25:45,915 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-05-03 05:25:46,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-05-03 05:25:46,105 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:25:46,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:25:46,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1455527702, now seen corresponding path program 13 times [2024-05-03 05:25:46,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:25:46,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974548429] [2024-05-03 05:25:46,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:25:46,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:25:46,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:25:49,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1660 backedges. 333 proven. 925 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2024-05-03 05:25:49,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:25:49,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974548429] [2024-05-03 05:25:49,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974548429] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:25:49,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [810785703] [2024-05-03 05:25:49,962 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-03 05:25:49,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:25:49,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:25:49,963 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:25:49,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-05-03 05:25:50,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:25:50,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 952 conjuncts, 96 conjunts are in the unsatisfiable core [2024-05-03 05:25:50,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:25:53,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-05-03 05:25:53,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1660 backedges. 13 proven. 1245 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2024-05-03 05:25:53,910 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:25:54,827 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-03 05:25:54,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 14 [2024-05-03 05:25:59,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1660 backedges. 18 proven. 1240 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2024-05-03 05:25:59,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [810785703] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:25:59,348 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:25:59,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 56, 56] total 169 [2024-05-03 05:25:59,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504286664] [2024-05-03 05:25:59,348 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:25:59,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 169 states [2024-05-03 05:25:59,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:25:59,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 169 interpolants. [2024-05-03 05:25:59,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4072, Invalid=24320, Unknown=0, NotChecked=0, Total=28392 [2024-05-03 05:25:59,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:25:59,352 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:25:59,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 169 states, 169 states have (on average 5.946745562130178) internal successors, (1005), 169 states have internal predecessors, (1005), 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) [2024-05-03 05:25:59,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:25:59,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:25:59,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:25:59,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:25:59,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:25:59,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:25:59,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:25:59,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:25:59,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:25:59,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:25:59,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-03 05:25:59,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:25:59,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 05:25:59,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-03 05:25:59,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-05-03 05:25:59,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-05-03 05:25:59,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2024-05-03 05:25:59,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-03 05:25:59,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-05-03 05:25:59,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-05-03 05:25:59,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-05-03 05:25:59,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:25:59,353 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:26:05,233 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:26:05,234 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:26:05,234 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:05,238 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:26:05,239 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:05,239 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:05,261 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:26:05,261 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:05,261 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:05,286 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:26:05,286 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:05,287 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:05,393 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 956 states. [2024-05-03 05:26:05,393 INFO L212 cStratifiedReduction]: Copied states 6 times. [2024-05-03 05:26:05,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:26:05,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:26:05,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:26:05,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:26:05,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:26:05,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:26:05,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:26:05,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:26:05,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:26:05,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:26:05,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-03 05:26:05,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:26:05,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 05:26:05,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-03 05:26:05,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-05-03 05:26:05,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-05-03 05:26:05,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2024-05-03 05:26:05,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-03 05:26:05,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-03 05:26:05,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-05-03 05:26:05,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-05-03 05:26:05,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-03 05:26:05,396 INFO L78 Accepts]: Start accepts. Automaton has currently 1122 states, but on-demand construction may add more states Word has length 477 [2024-05-03 05:26:05,400 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:26:05,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-05-03 05:26:05,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:26:05,608 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:26:05,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:26:05,608 INFO L85 PathProgramCache]: Analyzing trace with hash -694675872, now seen corresponding path program 14 times [2024-05-03 05:26:05,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:26:05,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130377752] [2024-05-03 05:26:05,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:26:05,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:26:05,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:26:09,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1839 backedges. 387 proven. 1050 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2024-05-03 05:26:09,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:26:09,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130377752] [2024-05-03 05:26:09,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130377752] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:26:09,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671707213] [2024-05-03 05:26:09,514 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 05:26:09,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:26:09,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:26:09,515 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:26:09,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-05-03 05:26:09,869 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 05:26:09,869 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:26:09,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 976 conjuncts, 105 conjunts are in the unsatisfiable core [2024-05-03 05:26:09,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:26:13,523 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-05-03 05:26:13,711 INFO L134 CoverageAnalysis]: Checked inductivity of 1839 backedges. 13 proven. 1424 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2024-05-03 05:26:13,711 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:26:14,837 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-03 05:26:14,837 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 14 [2024-05-03 05:26:19,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1839 backedges. 13 proven. 1424 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2024-05-03 05:26:19,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1671707213] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:26:19,677 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:26:19,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 59, 59] total 176 [2024-05-03 05:26:19,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097809015] [2024-05-03 05:26:19,678 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:26:19,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 176 states [2024-05-03 05:26:19,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:26:19,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 176 interpolants. [2024-05-03 05:26:19,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4455, Invalid=26345, Unknown=0, NotChecked=0, Total=30800 [2024-05-03 05:26:19,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:26:19,683 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:26:19,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 176 states, 176 states have (on average 5.931818181818182) internal successors, (1044), 176 states have internal predecessors, (1044), 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) [2024-05-03 05:26:19,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:26:19,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:26:19,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:26:19,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:26:19,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:26:19,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:26:19,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:26:19,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:26:19,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:26:19,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:26:19,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-03 05:26:19,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:26:19,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 05:26:19,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-03 05:26:19,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-05-03 05:26:19,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-05-03 05:26:19,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2024-05-03 05:26:19,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-03 05:26:19,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-05-03 05:26:19,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-05-03 05:26:19,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-05-03 05:26:19,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-03 05:26:19,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:26:19,685 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:26:26,454 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:26:26,454 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:26:26,455 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:26,459 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:26:26,459 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:26,459 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:26,485 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:26:26,486 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:26,486 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:26,514 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:26:26,514 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:26,514 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:26,617 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 981 states. [2024-05-03 05:26:26,618 INFO L212 cStratifiedReduction]: Copied states 6 times. [2024-05-03 05:26:26,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:26:26,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:26:26,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:26:26,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:26:26,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:26:26,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:26:26,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:26:26,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:26:26,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:26:26,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:26:26,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-03 05:26:26,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:26:26,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 05:26:26,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-03 05:26:26,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-05-03 05:26:26,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-05-03 05:26:26,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2024-05-03 05:26:26,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-03 05:26:26,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-03 05:26:26,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-05-03 05:26:26,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-05-03 05:26:26,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-03 05:26:26,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-03 05:26:26,619 INFO L78 Accepts]: Start accepts. Automaton has currently 1147 states, but on-demand construction may add more states Word has length 490 [2024-05-03 05:26:26,674 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:26:26,683 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-05-03 05:26:26,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-05-03 05:26:26,875 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:26:26,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:26:26,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1971645506, now seen corresponding path program 15 times [2024-05-03 05:26:26,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:26:26,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464405104] [2024-05-03 05:26:26,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:26:26,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:26:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:26:31,116 INFO L134 CoverageAnalysis]: Checked inductivity of 2031 backedges. 446 proven. 1183 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2024-05-03 05:26:31,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:26:31,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464405104] [2024-05-03 05:26:31,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464405104] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:26:31,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1331986887] [2024-05-03 05:26:31,117 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 05:26:31,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:26:31,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:26:31,118 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:26:31,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-05-03 05:26:33,410 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2024-05-03 05:26:33,410 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:26:33,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 24 conjunts are in the unsatisfiable core [2024-05-03 05:26:33,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:26:34,193 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 24 treesize of output 8 [2024-05-03 05:26:34,240 INFO L134 CoverageAnalysis]: Checked inductivity of 2031 backedges. 0 proven. 529 refuted. 0 times theorem prover too weak. 1502 trivial. 0 not checked. [2024-05-03 05:26:34,240 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:26:34,351 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-03 05:26:34,351 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 13 [2024-05-03 05:26:34,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2031 backedges. 0 proven. 529 refuted. 0 times theorem prover too weak. 1502 trivial. 0 not checked. [2024-05-03 05:26:34,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1331986887] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:26:34,656 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:26:34,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [68, 14, 14] total 81 [2024-05-03 05:26:34,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064049308] [2024-05-03 05:26:34,656 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:26:34,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2024-05-03 05:26:34,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:26:34,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2024-05-03 05:26:34,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=590, Invalid=5890, Unknown=0, NotChecked=0, Total=6480 [2024-05-03 05:26:34,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:26:34,659 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:26:34,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 7.580246913580247) internal successors, (614), 81 states have internal predecessors, (614), 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) [2024-05-03 05:26:34,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:26:34,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:26:34,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:26:34,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:26:34,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:26:34,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:26:34,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:26:34,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:26:34,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:26:34,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:26:34,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-03 05:26:34,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:26:34,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 05:26:34,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-03 05:26:34,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-05-03 05:26:34,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-05-03 05:26:34,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2024-05-03 05:26:34,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-03 05:26:34,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-05-03 05:26:34,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-05-03 05:26:34,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-05-03 05:26:34,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-03 05:26:34,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-03 05:26:34,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:26:34,660 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:26:39,122 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:26:39,122 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:26:39,122 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:39,127 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:26:39,127 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:39,127 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:39,151 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:26:39,152 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:39,152 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:39,176 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:26:39,176 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:39,177 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:41,028 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:26:41,028 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:26:41,028 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:41,041 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:26:41,042 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:41,042 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:41,084 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:26:41,084 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:41,084 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:41,735 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:26:41,735 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:41,735 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:41,821 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:26:41,822 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:41,822 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:42,079 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:26:42,079 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:42,079 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:42,300 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1210 states. [2024-05-03 05:26:42,300 INFO L212 cStratifiedReduction]: Copied states 12 times. [2024-05-03 05:26:42,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:26:42,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:26:42,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:26:42,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:26:42,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:26:42,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:26:42,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:26:42,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:26:42,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:26:42,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:26:42,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-03 05:26:42,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:26:42,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 05:26:42,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-03 05:26:42,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-05-03 05:26:42,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-05-03 05:26:42,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-05-03 05:26:42,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-03 05:26:42,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-03 05:26:42,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-05-03 05:26:42,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-05-03 05:26:42,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-03 05:26:42,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-03 05:26:42,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-05-03 05:26:42,301 INFO L78 Accepts]: Start accepts. Automaton has currently 1610 states, but on-demand construction may add more states Word has length 492 [2024-05-03 05:26:42,305 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:26:42,312 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-05-03 05:26:42,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:26:42,506 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:26:42,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:26:42,506 INFO L85 PathProgramCache]: Analyzing trace with hash -779566620, now seen corresponding path program 16 times [2024-05-03 05:26:42,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:26:42,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929699248] [2024-05-03 05:26:42,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:26:42,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:26:42,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:26:49,452 INFO L134 CoverageAnalysis]: Checked inductivity of 2079 backedges. 10 proven. 1639 refuted. 0 times theorem prover too weak. 430 trivial. 0 not checked. [2024-05-03 05:26:49,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:26:49,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929699248] [2024-05-03 05:26:49,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929699248] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:26:49,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340376776] [2024-05-03 05:26:49,453 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-03 05:26:49,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:26:49,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:26:49,454 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:26:49,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-05-03 05:26:49,707 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-03 05:26:49,707 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:26:49,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 29 conjunts are in the unsatisfiable core [2024-05-03 05:26:49,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:26:50,374 INFO L134 CoverageAnalysis]: Checked inductivity of 2079 backedges. 0 proven. 534 refuted. 0 times theorem prover too weak. 1545 trivial. 0 not checked. [2024-05-03 05:26:50,374 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:26:50,660 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-03 05:26:50,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 14 [2024-05-03 05:26:50,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2079 backedges. 0 proven. 534 refuted. 0 times theorem prover too weak. 1545 trivial. 0 not checked. [2024-05-03 05:26:50,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1340376776] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:26:50,992 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:26:50,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 15, 15] total 85 [2024-05-03 05:26:50,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476148165] [2024-05-03 05:26:50,993 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:26:50,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-05-03 05:26:50,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:26:50,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-05-03 05:26:50,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=566, Invalid=6574, Unknown=0, NotChecked=0, Total=7140 [2024-05-03 05:26:50,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:26:50,996 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:26:50,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 7.8) internal successors, (663), 85 states have internal predecessors, (663), 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) [2024-05-03 05:26:50,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:26:50,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:26:50,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:26:50,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:26:50,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:26:50,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:26:50,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:26:50,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:26:50,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:26:50,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:26:50,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-03 05:26:50,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:26:50,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 05:26:50,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-03 05:26:50,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-05-03 05:26:50,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-05-03 05:26:50,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-05-03 05:26:50,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-03 05:26:50,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-05-03 05:26:50,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-05-03 05:26:50,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-05-03 05:26:50,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-03 05:26:50,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-03 05:26:50,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-05-03 05:26:50,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:26:50,998 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:26:55,354 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:26:55,354 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:26:55,354 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:55,359 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:26:55,359 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:55,359 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:55,383 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:26:55,383 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:55,383 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:55,410 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:26:55,410 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:55,410 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:55,469 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:26:55,469 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:26:55,469 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:55,477 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:26:55,477 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:55,477 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:55,510 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:26:55,510 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:55,510 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:55,537 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:26:55,538 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:55,538 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:55,563 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:26:55,564 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:55,564 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:55,664 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:26:55,665 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:55,665 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:26:55,740 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1107 states. [2024-05-03 05:26:55,740 INFO L212 cStratifiedReduction]: Copied states 12 times. [2024-05-03 05:26:55,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:26:55,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:26:55,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:26:55,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:26:55,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:26:55,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:26:55,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:26:55,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:26:55,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:26:55,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:26:55,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-03 05:26:55,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:26:55,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 05:26:55,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-03 05:26:55,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-05-03 05:26:55,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-05-03 05:26:55,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-05-03 05:26:55,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-03 05:26:55,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-03 05:26:55,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-05-03 05:26:55,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-05-03 05:26:55,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-03 05:26:55,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-03 05:26:55,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-05-03 05:26:55,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-05-03 05:26:55,741 INFO L78 Accepts]: Start accepts. Automaton has currently 1393 states, but on-demand construction may add more states Word has length 510 [2024-05-03 05:26:55,746 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:26:55,752 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-05-03 05:26:55,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-05-03 05:26:55,946 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:26:55,947 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:26:55,947 INFO L85 PathProgramCache]: Analyzing trace with hash -969097110, now seen corresponding path program 17 times [2024-05-03 05:26:55,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:26:55,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443806537] [2024-05-03 05:26:55,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:26:55,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:26:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:27:03,216 INFO L134 CoverageAnalysis]: Checked inductivity of 2317 backedges. 10 proven. 1877 refuted. 0 times theorem prover too weak. 430 trivial. 0 not checked. [2024-05-03 05:27:03,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:27:03,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443806537] [2024-05-03 05:27:03,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443806537] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:27:03,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229796384] [2024-05-03 05:27:03,217 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-03 05:27:03,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:27:03,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:27:03,218 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:27:03,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-05-03 05:27:16,195 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) [2024-05-03 05:27:16,195 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:27:16,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 1037 conjuncts, 86 conjunts are in the unsatisfiable core [2024-05-03 05:27:16,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:27:20,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2317 backedges. 0 proven. 973 refuted. 0 times theorem prover too weak. 1344 trivial. 0 not checked. [2024-05-03 05:27:20,704 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:27:23,490 INFO L349 Elim1Store]: treesize reduction 46, result has 84.1 percent of original size [2024-05-03 05:27:23,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 81 treesize of output 263 [2024-05-03 05:27:27,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2317 backedges. 85 proven. 608 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-05-03 05:27:27,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1229796384] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:27:27,298 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:27:27,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 41, 28] total 136 [2024-05-03 05:27:27,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437471187] [2024-05-03 05:27:27,299 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:27:27,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 136 states [2024-05-03 05:27:27,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:27:27,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2024-05-03 05:27:27,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=820, Invalid=17540, Unknown=0, NotChecked=0, Total=18360 [2024-05-03 05:27:27,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:27:27,301 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:27:27,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 136 states, 136 states have (on average 7.117647058823529) internal successors, (968), 136 states have internal predecessors, (968), 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) [2024-05-03 05:27:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:27:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:27:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:27:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:27:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:27:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:27:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:27:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:27:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:27:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:27:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-03 05:27:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:27:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 05:27:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-03 05:27:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-05-03 05:27:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-05-03 05:27:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-05-03 05:27:27,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-03 05:27:27,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-05-03 05:27:27,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-05-03 05:27:27,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-05-03 05:27:27,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-03 05:27:27,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-03 05:27:27,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-05-03 05:27:27,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-05-03 05:27:27,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:27:27,303 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:27:39,573 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:27:39,573 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:27:39,573 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:27:39,578 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:27:39,578 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:27:39,578 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:27:39,611 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:27:39,611 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:27:39,611 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:27:39,647 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:27:39,647 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:27:39,647 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:27:41,163 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:27:41,163 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:27:41,163 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:27:41,171 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:27:41,171 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:27:41,171 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:27:41,215 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:27:41,215 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:27:41,215 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:27:41,316 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:27:41,316 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:27:41,316 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:27:41,407 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:27:41,407 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:27:41,407 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:27:41,735 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:27:41,735 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:27:41,735 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:27:41,909 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1178 states. [2024-05-03 05:27:41,909 INFO L212 cStratifiedReduction]: Copied states 12 times. [2024-05-03 05:27:41,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:27:41,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:27:41,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:27:41,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:27:41,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:27:41,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:27:41,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:27:41,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:27:41,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:27:41,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:27:41,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-03 05:27:41,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:27:41,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 05:27:41,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-03 05:27:41,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-05-03 05:27:41,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-05-03 05:27:41,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-05-03 05:27:41,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-03 05:27:41,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-03 05:27:41,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-05-03 05:27:41,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-05-03 05:27:41,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-03 05:27:41,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-03 05:27:41,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-05-03 05:27:41,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-05-03 05:27:41,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2024-05-03 05:27:41,910 INFO L78 Accepts]: Start accepts. Automaton has currently 1524 states, but on-demand construction may add more states Word has length 522 [2024-05-03 05:27:41,915 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:27:41,929 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-05-03 05:27:42,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-05-03 05:27:42,116 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:27:42,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:27:42,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1612966032, now seen corresponding path program 18 times [2024-05-03 05:27:42,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:27:42,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223164663] [2024-05-03 05:27:42,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:27:42,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:27:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:27:50,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2486 backedges. 10 proven. 2022 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2024-05-03 05:27:50,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:27:50,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223164663] [2024-05-03 05:27:50,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223164663] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:27:50,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611654069] [2024-05-03 05:27:50,703 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-03 05:27:50,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:27:50,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:27:50,704 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:27:50,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-05-03 05:28:10,901 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2024-05-03 05:28:10,902 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:28:10,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 1022 conjuncts, 69 conjunts are in the unsatisfiable core [2024-05-03 05:28:10,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:28:12,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2486 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 926 trivial. 0 not checked. [2024-05-03 05:28:12,517 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:28:12,894 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-03 05:28:12,894 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 14 [2024-05-03 05:28:13,177 INFO L134 CoverageAnalysis]: Checked inductivity of 2486 backedges. 0 proven. 635 refuted. 0 times theorem prover too weak. 1851 trivial. 0 not checked. [2024-05-03 05:28:13,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [611654069] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:28:13,177 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:28:13,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73, 33, 16] total 109 [2024-05-03 05:28:13,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393729900] [2024-05-03 05:28:13,178 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:28:13,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 109 states [2024-05-03 05:28:13,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:28:13,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2024-05-03 05:28:13,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=670, Invalid=11102, Unknown=0, NotChecked=0, Total=11772 [2024-05-03 05:28:13,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:28:13,181 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:28:13,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 109 states, 109 states have (on average 7.055045871559633) internal successors, (769), 109 states have internal predecessors, (769), 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) [2024-05-03 05:28:13,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:28:13,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:28:13,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:28:13,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:28:13,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:28:13,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:28:13,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:28:13,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:28:13,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:28:13,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:28:13,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-03 05:28:13,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:28:13,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 05:28:13,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-03 05:28:13,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-05-03 05:28:13,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-05-03 05:28:13,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-05-03 05:28:13,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-03 05:28:13,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-05-03 05:28:13,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-05-03 05:28:13,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-05-03 05:28:13,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-03 05:28:13,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-03 05:28:13,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-05-03 05:28:13,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-05-03 05:28:13,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2024-05-03 05:28:13,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:28:13,182 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:28:21,387 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:21,387 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:28:21,387 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:21,392 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:21,392 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:21,392 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:21,423 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:21,423 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:21,423 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:21,464 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:21,464 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:21,464 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:21,595 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:21,596 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:28:21,596 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:21,603 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:21,603 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:21,603 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:21,642 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:21,642 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:21,642 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:21,676 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:21,676 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:21,676 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:21,706 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:21,706 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:21,706 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:21,756 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:21,757 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:21,757 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:21,847 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1204 states. [2024-05-03 05:28:21,847 INFO L212 cStratifiedReduction]: Copied states 12 times. [2024-05-03 05:28:21,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:28:21,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:28:21,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:28:21,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:28:21,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:28:21,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:28:21,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:28:21,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:28:21,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:28:21,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:28:21,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-03 05:28:21,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:28:21,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 05:28:21,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-03 05:28:21,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-05-03 05:28:21,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-05-03 05:28:21,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-05-03 05:28:21,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-03 05:28:21,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-03 05:28:21,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-05-03 05:28:21,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-05-03 05:28:21,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-03 05:28:21,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-03 05:28:21,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-05-03 05:28:21,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-05-03 05:28:21,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2024-05-03 05:28:21,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-05-03 05:28:21,848 INFO L78 Accepts]: Start accepts. Automaton has currently 1550 states, but on-demand construction may add more states Word has length 535 [2024-05-03 05:28:21,854 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:28:21,866 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-05-03 05:28:22,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:28:22,066 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:28:22,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:28:22,066 INFO L85 PathProgramCache]: Analyzing trace with hash 99964814, now seen corresponding path program 19 times [2024-05-03 05:28:22,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:28:22,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912631339] [2024-05-03 05:28:22,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:28:22,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:28:22,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:28:30,294 INFO L134 CoverageAnalysis]: Checked inductivity of 2715 backedges. 10 proven. 2251 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2024-05-03 05:28:30,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:28:30,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912631339] [2024-05-03 05:28:30,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912631339] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:28:30,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928689597] [2024-05-03 05:28:30,295 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-03 05:28:30,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:28:30,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:28:30,296 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:28:30,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-05-03 05:28:33,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:28:33,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 1084 conjuncts, 112 conjunts are in the unsatisfiable core [2024-05-03 05:28:33,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:28:37,725 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 11 treesize of output 3 [2024-05-03 05:28:37,903 INFO L134 CoverageAnalysis]: Checked inductivity of 2715 backedges. 10 proven. 2251 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2024-05-03 05:28:37,903 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:28:39,249 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-03 05:28:39,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 14 [2024-05-03 05:28:44,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2715 backedges. 10 proven. 2251 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2024-05-03 05:28:44,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1928689597] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:28:44,943 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:28:44,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [76, 71, 71] total 210 [2024-05-03 05:28:44,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725568080] [2024-05-03 05:28:44,943 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:28:44,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 210 states [2024-05-03 05:28:44,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:28:44,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 210 interpolants. [2024-05-03 05:28:44,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6943, Invalid=36947, Unknown=0, NotChecked=0, Total=43890 [2024-05-03 05:28:44,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:28:44,948 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:28:44,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 210 states, 210 states have (on average 5.571428571428571) internal successors, (1170), 210 states have internal predecessors, (1170), 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) [2024-05-03 05:28:44,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:28:44,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:28:44,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:28:44,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:28:44,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:28:44,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:28:44,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:28:44,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:28:44,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:28:44,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:28:44,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-03 05:28:44,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:28:44,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 05:28:44,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-03 05:28:44,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-05-03 05:28:44,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-05-03 05:28:44,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-05-03 05:28:44,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-03 05:28:44,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-05-03 05:28:44,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-05-03 05:28:44,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-05-03 05:28:44,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-03 05:28:44,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-03 05:28:44,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-05-03 05:28:44,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-05-03 05:28:44,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2024-05-03 05:28:44,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-05-03 05:28:44,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:28:44,949 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:28:54,643 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:54,643 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:28:54,643 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:54,647 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:54,647 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:54,647 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:54,683 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:54,684 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:54,684 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:54,715 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:54,716 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:54,716 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:54,788 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:54,789 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:28:54,789 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:54,796 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:54,796 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:54,796 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:54,835 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:54,835 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:54,835 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:54,868 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:54,868 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:54,868 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:54,905 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:54,906 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:54,906 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:55,039 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:55,039 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:55,039 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc28#1.offset, ULTIMATE.start_main_#t~ret17#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_~size#1, ~q1~0.offset, ULTIMATE.start_create_fresh_int_array_#res#1.offset, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~n2~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~s~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post29#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork0_~j~0#1, thread3Thread1of1ForFork1_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:55,135 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1229 states. [2024-05-03 05:28:55,135 INFO L212 cStratifiedReduction]: Copied states 12 times. [2024-05-03 05:28:55,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:28:55,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:28:55,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:28:55,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:28:55,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:28:55,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:28:55,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:28:55,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:28:55,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:28:55,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:28:55,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-03 05:28:55,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:28:55,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 05:28:55,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-03 05:28:55,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-05-03 05:28:55,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-05-03 05:28:55,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-05-03 05:28:55,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-03 05:28:55,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-03 05:28:55,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-05-03 05:28:55,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-05-03 05:28:55,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-03 05:28:55,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-03 05:28:55,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-05-03 05:28:55,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-05-03 05:28:55,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2024-05-03 05:28:55,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-05-03 05:28:55,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-05-03 05:28:55,137 INFO L78 Accepts]: Start accepts. Automaton has currently 1575 states, but on-demand construction may add more states Word has length 548 [2024-05-03 05:28:55,142 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:28:55,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-05-03 05:28:55,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-05-03 05:28:55,343 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:28:55,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:28:55,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1228042984, now seen corresponding path program 20 times [2024-05-03 05:28:55,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:28:55,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468990664] [2024-05-03 05:28:55,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:28:55,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:28:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:29:05,991 INFO L134 CoverageAnalysis]: Checked inductivity of 2957 backedges. 14 proven. 2489 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2024-05-03 05:29:05,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:29:05,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468990664] [2024-05-03 05:29:05,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468990664] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:29:05,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304837961] [2024-05-03 05:29:05,992 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 05:29:05,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:29:05,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:29:05,993 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:29:05,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-05-03 05:29:10,752 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 05:29:10,752 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:29:10,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 1108 conjuncts, 208 conjunts are in the unsatisfiable core [2024-05-03 05:29:10,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:29:11,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-05-03 05:29:13,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-05-03 05:29:13,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-05-03 05:29:13,649 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-05-03 05:29:13,912 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-05-03 05:29:14,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-05-03 05:29:14,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-05-03 05:29:14,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-05-03 05:29:14,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-05-03 05:29:15,251 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-05-03 05:29:15,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-05-03 05:29:15,805 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-05-03 05:29:16,144 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-05-03 05:29:16,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-05-03 05:29:16,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-05-03 05:29:17,515 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-03 05:29:17,515 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 11 treesize of output 11 [2024-05-03 05:29:17,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-03 05:29:17,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-03 05:29:17,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-03 05:29:17,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-03 05:29:18,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-03 05:29:18,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-03 05:29:18,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-03 05:29:18,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-03 05:29:18,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-03 05:29:18,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-03 05:29:18,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-03 05:29:18,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-03 05:29:18,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-03 05:29:21,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2024-05-03 05:29:21,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2957 backedges. 0 proven. 2549 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2024-05-03 05:29:21,572 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:33:45,402 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 05:33:45,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 14 case distinctions, treesize of input 283 treesize of output 232 [2024-05-03 05:33:45,476 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-05-03 05:33:45,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2685 treesize of output 2616 [2024-05-03 05:33:45,540 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-05-03 05:33:45,541 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 639 treesize of output 583 [2024-05-03 05:33:45,576 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-05-03 05:33:45,576 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 583 treesize of output 555 [2024-05-03 05:33:45,612 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-05-03 05:33:45,612 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 555 treesize of output 541 [2024-05-03 05:33:45,648 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-05-03 05:33:45,649 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 541 treesize of output 429 [2024-05-03 05:34:13,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 8 [2024-05-03 05:34:18,952 INFO L134 CoverageAnalysis]: Checked inductivity of 2957 backedges. 0 proven. 2549 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2024-05-03 05:34:18,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1304837961] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:34:18,952 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:34:18,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [79, 88, 98] total 260 [2024-05-03 05:34:18,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533003092] [2024-05-03 05:34:18,953 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:34:18,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 260 states [2024-05-03 05:34:18,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:34:18,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 260 interpolants. [2024-05-03 05:34:18,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9097, Invalid=57888, Unknown=355, NotChecked=0, Total=67340 [2024-05-03 05:34:18,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:34:18,961 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:34:18,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 260 states, 260 states have (on average 4.846153846153846) internal successors, (1260), 260 states have internal predecessors, (1260), 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) [2024-05-03 05:34:18,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:34:18,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:34:18,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:34:18,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 05:34:18,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:34:18,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:34:18,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:34:18,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:34:18,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:34:18,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:34:18,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-03 05:34:18,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:34:18,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 05:34:18,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-03 05:34:18,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-05-03 05:34:18,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-05-03 05:34:18,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-05-03 05:34:18,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-03 05:34:18,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-05-03 05:34:18,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-05-03 05:34:18,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-05-03 05:34:18,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-03 05:34:18,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-03 05:34:18,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-05-03 05:34:18,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-05-03 05:34:18,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2024-05-03 05:34:18,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-05-03 05:34:18,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2024-05-03 05:34:18,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:34:18,963 INFO L199 cStratifiedReduction]: Start building reduction automaton Received shutdown request... [2024-05-03 05:37:29,871 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 249 states. [2024-05-03 05:37:29,872 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 05:37:29,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-05-03 05:37:29,905 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-03 05:37:29,905 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-03 05:37:29,905 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-03 05:37:30,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-05-03 05:37:30,072 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 350 known predicates. [2024-05-03 05:37:30,075 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-03 05:37:30,091 INFO L445 BasicCegarLoop]: Path program histogram: [20, 3, 2, 1, 1, 1, 1] [2024-05-03 05:37:30,092 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/4) [2024-05-03 05:37:30,098 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-03 05:37:30,098 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-03 05:37:30,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 05:37:30 BasicIcfg [2024-05-03 05:37:30,099 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-03 05:37:30,100 INFO L158 Benchmark]: Toolchain (without parser) took 815881.25ms. Allocated memory was 217.1MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 148.3MB in the beginning and 1.1GB in the end (delta: -932.1MB). Peak memory consumption was 713.1MB. Max. memory is 8.0GB. [2024-05-03 05:37:30,100 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 217.1MB. Free memory is still 187.5MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-03 05:37:30,100 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.67ms. Allocated memory is still 217.1MB. Free memory was 147.8MB in the beginning and 135.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-05-03 05:37:30,100 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.51ms. Allocated memory is still 217.1MB. Free memory was 135.2MB in the beginning and 133.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-03 05:37:30,100 INFO L158 Benchmark]: Boogie Preprocessor took 26.61ms. Allocated memory is still 217.1MB. Free memory was 133.1MB in the beginning and 131.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-03 05:37:30,100 INFO L158 Benchmark]: RCFGBuilder took 548.46ms. Allocated memory is still 217.1MB. Free memory was 131.0MB in the beginning and 161.4MB in the end (delta: -30.4MB). Peak memory consumption was 17.3MB. Max. memory is 8.0GB. [2024-05-03 05:37:30,100 INFO L158 Benchmark]: TraceAbstraction took 814990.40ms. Allocated memory was 217.1MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 160.3MB in the beginning and 1.1GB in the end (delta: -920.1MB). Peak memory consumption was 724.1MB. Max. memory is 8.0GB. [2024-05-03 05:37:30,101 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 217.1MB. Free memory is still 187.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 263.67ms. Allocated memory is still 217.1MB. Free memory was 147.8MB in the beginning and 135.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.51ms. Allocated memory is still 217.1MB. Free memory was 135.2MB in the beginning and 133.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.61ms. Allocated memory is still 217.1MB. Free memory was 133.1MB in the beginning and 131.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 548.46ms. Allocated memory is still 217.1MB. Free memory was 131.0MB in the beginning and 161.4MB in the end (delta: -30.4MB). Peak memory consumption was 17.3MB. Max. memory is 8.0GB. * TraceAbstraction took 814990.40ms. Allocated memory was 217.1MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 160.3MB in the beginning and 1.1GB in the end (delta: -920.1MB). Peak memory consumption was 724.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11079, independent: 9918, independent conditional: 9918, independent unconditional: 0, dependent: 1161, dependent conditional: 1161, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10115, independent: 9918, independent conditional: 9918, independent unconditional: 0, dependent: 197, dependent conditional: 197, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10115, independent: 9918, independent conditional: 9918, independent unconditional: 0, dependent: 197, dependent conditional: 197, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13572, independent: 9918, independent conditional: 0, independent unconditional: 9918, dependent: 3654, dependent conditional: 3457, dependent unconditional: 197, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13572, independent: 9918, independent conditional: 0, independent unconditional: 9918, dependent: 3654, dependent conditional: 0, dependent unconditional: 3654, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13572, independent: 9918, independent conditional: 0, independent unconditional: 9918, dependent: 3654, dependent conditional: 0, dependent unconditional: 3654, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10115, independent: 9918, independent conditional: 0, independent unconditional: 9918, dependent: 197, dependent conditional: 0, dependent unconditional: 197, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10115, independent: 9918, independent conditional: 0, independent unconditional: 9918, dependent: 197, dependent conditional: 0, dependent unconditional: 197, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 197, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 197, dependent conditional: 0, dependent unconditional: 197, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 197, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 197, dependent conditional: 0, dependent unconditional: 197, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 197, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 197, dependent conditional: 0, dependent unconditional: 197, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 347, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 347, dependent conditional: 0, dependent unconditional: 347, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 13572, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3457, dependent conditional: 0, dependent unconditional: 3457, unknown: 10115, unknown conditional: 0, unknown unconditional: 10115] , Statistics on independence cache: Total cache size (in pairs): 10115, Positive cache size: 9918, Positive conditional cache size: 0, Positive unconditional cache size: 9918, Negative cache size: 197, Negative conditional cache size: 0, Negative unconditional cache size: 197, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3457, Maximal queried relation: 28, Independence queries for same thread: 964 - StatisticsResult: Reduction benchmarks 17.8ms Time before loop, 899.3ms Time in loop, 0.9s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 43, Reduction States: 525, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 8.8ms Time before loop, 443.7ms Time in loop, 0.5s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 43, Reduction States: 576, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 46.0ms Time before loop, 386.9ms Time in loop, 0.4s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 43, Reduction States: 584, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 15.8ms Time before loop, 437.6ms Time in loop, 0.5s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 43, Reduction States: 592, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 39.7ms Time before loop, 459.3ms Time in loop, 0.5s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 33, Reduction States: 608, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 142.5ms Time before loop, 475.5ms Time in loop, 0.6s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 33, Reduction States: 617, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 560.1ms Time before loop, 280.0ms Time in loop, 0.8s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 4, Reduction States: 344, Duplicate States: 0, Protected Variables: 15 - StatisticsResult: Reduction benchmarks 314.9ms Time before loop, 160.2ms Time in loop, 0.5s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 4, Reduction States: 353, Duplicate States: 0, Protected Variables: 15 - StatisticsResult: Reduction benchmarks 57.0ms Time before loop, 202.6ms Time in loop, 0.3s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 4, Reduction States: 362, Duplicate States: 0, Protected Variables: 15 - StatisticsResult: Reduction benchmarks 939.9ms Time before loop, 343.5ms Time in loop, 1.3s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 4, Reduction States: 376, Duplicate States: 0, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 1330.4ms Time before loop, 766.4ms Time in loop, 2.1s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 16, Reduction States: 540, Duplicate States: 12, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 1711.3ms Time before loop, 891.1ms Time in loop, 2.6s Time in total, Has Loop: 1, wrong guesses: 1, overall guesses: 14, Reduction States: 574, Duplicate States: 6, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 1092.1ms Time before loop, 496.9ms Time in loop, 1.6s Time in total, Has Loop: 1, wrong guesses: 1, overall guesses: 14, Reduction States: 592, Duplicate States: 6, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 723.7ms Time before loop, 305.2ms Time in loop, 1.0s Time in total, Has Loop: 1, wrong guesses: 1, overall guesses: 14, Reduction States: 601, Duplicate States: 6, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 223.1ms Time before loop, 1570.9ms Time in loop, 1.8s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 17, Reduction States: 689, Duplicate States: 12, Protected Variables: 16 - StatisticsResult: Reduction benchmarks 1756.7ms Time before loop, 655.5ms Time in loop, 2.4s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 18, Reduction States: 725, Duplicate States: 12, Protected Variables: 16 - StatisticsResult: Reduction benchmarks 2763.2ms Time before loop, 919.0ms Time in loop, 3.7s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 18, Reduction States: 750, Duplicate States: 12, Protected Variables: 16 - StatisticsResult: Reduction benchmarks 2362.9ms Time before loop, 2764.9ms Time in loop, 5.1s Time in total, Has Loop: 1, wrong guesses: 1, overall guesses: 14, Reduction States: 752, Duplicate States: 6, Protected Variables: 21 - StatisticsResult: Reduction benchmarks 148.7ms Time before loop, 877.7ms Time in loop, 1.0s Time in total, Has Loop: 1, wrong guesses: 1, overall guesses: 14, Reduction States: 761, Duplicate States: 6, Protected Variables: 21 - StatisticsResult: Reduction benchmarks 1274.3ms Time before loop, 254.2ms Time in loop, 1.5s Time in total, Has Loop: 1, wrong guesses: 1, overall guesses: 14, Reduction States: 770, Duplicate States: 6, Protected Variables: 21 - StatisticsResult: Reduction benchmarks 3067.0ms Time before loop, 2378.3ms Time in loop, 5.4s Time in total, Has Loop: 1, wrong guesses: 1, overall guesses: 15, Reduction States: 903, Duplicate States: 6, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 417.3ms Time before loop, 2116.4ms Time in loop, 2.5s Time in total, Has Loop: 1, wrong guesses: 1, overall guesses: 15, Reduction States: 931, Duplicate States: 6, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 4814.3ms Time before loop, 1225.4ms Time in loop, 6.0s Time in total, Has Loop: 1, wrong guesses: 1, overall guesses: 15, Reduction States: 956, Duplicate States: 6, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 5583.5ms Time before loop, 1348.3ms Time in loop, 6.9s Time in total, Has Loop: 1, wrong guesses: 1, overall guesses: 15, Reduction States: 981, Duplicate States: 6, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 3365.6ms Time before loop, 4274.1ms Time in loop, 7.6s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 20, Reduction States: 1210, Duplicate States: 12, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 3599.1ms Time before loop, 1142.8ms Time in loop, 4.7s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 21, Reduction States: 1107, Duplicate States: 12, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 7842.8ms Time before loop, 6763.0ms Time in loop, 14.6s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 21, Reduction States: 1178, Duplicate States: 12, Protected Variables: 21 - StatisticsResult: Reduction benchmarks 5959.9ms Time before loop, 2704.3ms Time in loop, 8.7s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 21, Reduction States: 1204, Duplicate States: 12, Protected Variables: 21 - StatisticsResult: Reduction benchmarks 8588.8ms Time before loop, 1597.3ms Time in loop, 10.2s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 21, Reduction States: 1229, Duplicate States: 12, Protected Variables: 21 - StatisticsResult: Reduction benchmarks 190908.1ms Time before loop, 0.0ms Time in loop, 190.9s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 249, Duplicate States: 0, Protected Variables: 21 - StatisticsResult: Visitor Statistics States: 470, Transitions: 597, Traversal time: 0.9s - StatisticsResult: Visitor Statistics States: 470, Transitions: 603, Traversal time: 0.5s - StatisticsResult: Visitor Statistics States: 477, Transitions: 610, Traversal time: 0.4s - StatisticsResult: Visitor Statistics States: 484, Transitions: 617, Traversal time: 0.5s - StatisticsResult: Visitor Statistics States: 498, Transitions: 657, Traversal time: 0.5s - StatisticsResult: Visitor Statistics States: 506, Transitions: 665, Traversal time: 0.6s - StatisticsResult: Visitor Statistics States: 232, Transitions: 242, Traversal time: 0.8s - StatisticsResult: Visitor Statistics States: 240, Transitions: 250, Traversal time: 0.5s - StatisticsResult: Visitor Statistics States: 248, Transitions: 258, Traversal time: 0.3s - StatisticsResult: Visitor Statistics States: 260, Transitions: 271, Traversal time: 1.3s - StatisticsResult: Visitor Statistics States: 386, Transitions: 457, Traversal time: 2.1s - StatisticsResult: Visitor Statistics States: 384, Transitions: 440, Traversal time: 2.6s - StatisticsResult: Visitor Statistics States: 400, Transitions: 456, Traversal time: 1.6s - StatisticsResult: Visitor Statistics States: 408, Transitions: 464, Traversal time: 1.0s - StatisticsResult: Visitor Statistics States: 482, Transitions: 581, Traversal time: 1.8s - StatisticsResult: Visitor Statistics States: 500, Transitions: 601, Traversal time: 2.4s - StatisticsResult: Visitor Statistics States: 513, Transitions: 614, Traversal time: 3.7s - StatisticsResult: Visitor Statistics States: 491, Transitions: 563, Traversal time: 5.1s - StatisticsResult: Visitor Statistics States: 499, Transitions: 571, Traversal time: 1.0s - StatisticsResult: Visitor Statistics States: 507, Transitions: 579, Traversal time: 1.5s - StatisticsResult: Visitor Statistics States: 607, Transitions: 732, Traversal time: 5.4s - StatisticsResult: Visitor Statistics States: 633, Transitions: 758, Traversal time: 2.5s - StatisticsResult: Visitor Statistics States: 646, Transitions: 771, Traversal time: 6.0s - StatisticsResult: Visitor Statistics States: 659, Transitions: 784, Traversal time: 6.9s - StatisticsResult: Visitor Statistics States: 858, Transitions: 1120, Traversal time: 7.6s - StatisticsResult: Visitor Statistics States: 759, Transitions: 944, Traversal time: 4.7s - StatisticsResult: Visitor Statistics States: 819, Transitions: 1046, Traversal time: 14.6s - StatisticsResult: Visitor Statistics States: 832, Transitions: 1059, Traversal time: 8.7s - StatisticsResult: Visitor Statistics States: 845, Transitions: 1072, Traversal time: 10.2s - StatisticsResult: Visitor Statistics States: 226, Transitions: 228, Traversal time: 190.7s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 332, RedundantProofs: 28, ProvenStates: 2541, Times there's more than one choice: 1932, Avg number of choices: 13.073199527744983 - TimeoutResultAtElement [Line: 126]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 350 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 7 procedures, 231 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 814.8s, OverallIterations: 29, TraceHistogramMax: 0, PathProgramHistogramMax: 20, EmptinessCheckTime: 287.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1690, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.0s SsaConstructionTime, 52.7s SatisfiabilityAnalysisTime, 466.3s InterpolantComputationTime, 18934 NumberOfCodeBlocks, 18558 NumberOfCodeBlocksAsserted, 162 NumberOfCheckSat, 27985 ConstructedInterpolants, 435 QuantifiedInterpolants, 320520 SizeOfPredicates, 572 NumberOfNonLiveVariables, 18215 ConjunctsInSsa, 1257 ConjunctsInUnsatCore, 79 InterpolantComputations, 4 PerfectInterpolantSequences, 34722/79959 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown