/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-more-queue-add-3-nl.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-e23131f-m [2024-05-03 05:14:30,537 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-03 05:14:30,578 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-05-03 05:14:30,582 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-03 05:14:30,582 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-03 05:14:30,582 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-05-03 05:14:30,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-03 05:14:30,597 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-03 05:14:30,597 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-03 05:14:30,598 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-03 05:14:30,598 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-03 05:14:30,598 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-03 05:14:30,598 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-03 05:14:30,599 INFO L153 SettingsManager]: * Use SBE=true [2024-05-03 05:14:30,599 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-03 05:14:30,599 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-03 05:14:30,599 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-03 05:14:30,600 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-03 05:14:30,600 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-03 05:14:30,600 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-03 05:14:30,600 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-03 05:14:30,601 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-03 05:14:30,601 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-03 05:14:30,601 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-03 05:14:30,601 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-03 05:14:30,602 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-03 05:14:30,602 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-03 05:14:30,602 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-03 05:14:30,602 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-03 05:14:30,602 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-03 05:14:30,603 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 05:14:30,603 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-03 05:14:30,603 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-03 05:14:30,603 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-05-03 05:14:30,604 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-03 05:14:30,604 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-03 05:14:30,604 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-05-03 05:14:30,604 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-05-03 05:14:30,604 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-03 05:14:30,605 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-03 05:14:30,605 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-03 05:14:30,605 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-03 05:14:30,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-03 05:14:30,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-03 05:14:30,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-03 05:14:30,886 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-03 05:14:30,887 INFO L274 PluginConnector]: CDTParser initialized [2024-05-03 05:14:30,888 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-queue-add-3-nl.wvr.c [2024-05-03 05:14:32,082 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-03 05:14:32,263 INFO L384 CDTParser]: Found 1 translation units. [2024-05-03 05:14:32,264 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-queue-add-3-nl.wvr.c [2024-05-03 05:14:32,275 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5c4c21b83/5b1e2d4b9d034d64a7d39f923ed62ed7/FLAG1e341a844 [2024-05-03 05:14:32,291 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5c4c21b83/5b1e2d4b9d034d64a7d39f923ed62ed7 [2024-05-03 05:14:32,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-03 05:14:32,297 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-03 05:14:32,299 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-03 05:14:32,299 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-03 05:14:32,302 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-03 05:14:32,303 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 05:14:32" (1/1) ... [2024-05-03 05:14:32,304 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ddf1ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:14:32, skipping insertion in model container [2024-05-03 05:14:32,304 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 05:14:32" (1/1) ... [2024-05-03 05:14:32,334 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-03 05:14:32,543 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-more-queue-add-3-nl.wvr.c[3615,3628] [2024-05-03 05:14:32,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 05:14:32,567 INFO L202 MainTranslator]: Completed pre-run [2024-05-03 05:14:32,616 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-more-queue-add-3-nl.wvr.c[3615,3628] [2024-05-03 05:14:32,619 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 05:14:32,634 INFO L206 MainTranslator]: Completed translation [2024-05-03 05:14:32,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:14:32 WrapperNode [2024-05-03 05:14:32,636 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-03 05:14:32,637 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-03 05:14:32,637 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-03 05:14:32,638 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-03 05:14:32,643 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:14:32" (1/1) ... [2024-05-03 05:14:32,657 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:14:32" (1/1) ... [2024-05-03 05:14:32,682 INFO L138 Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 16, calls inlined = 18, statements flattened = 267 [2024-05-03 05:14:32,682 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-03 05:14:32,682 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-03 05:14:32,683 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-03 05:14:32,683 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-03 05:14:32,696 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:14:32" (1/1) ... [2024-05-03 05:14:32,696 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:14:32" (1/1) ... [2024-05-03 05:14:32,699 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:14:32" (1/1) ... [2024-05-03 05:14:32,699 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:14:32" (1/1) ... [2024-05-03 05:14:32,706 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:14:32" (1/1) ... [2024-05-03 05:14:32,723 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:14:32" (1/1) ... [2024-05-03 05:14:32,725 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:14:32" (1/1) ... [2024-05-03 05:14:32,726 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:14:32" (1/1) ... [2024-05-03 05:14:32,729 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-03 05:14:32,729 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-03 05:14:32,729 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-03 05:14:32,729 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-03 05:14:32,730 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:14:32" (1/1) ... [2024-05-03 05:14:32,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 05:14:32,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:14:32,765 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 05:14:32,782 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 05:14:32,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-03 05:14:32,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-03 05:14:32,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-03 05:14:32,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-03 05:14:32,803 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-03 05:14:32,803 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-03 05:14:32,804 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-03 05:14:32,804 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-03 05:14:32,804 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-03 05:14:32,804 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-03 05:14:32,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-03 05:14:32,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-03 05:14:32,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-03 05:14:32,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-03 05:14:32,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-03 05:14:32,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-03 05:14:32,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-03 05:14:32,805 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 05:14:32,878 INFO L241 CfgBuilder]: Building ICFG [2024-05-03 05:14:32,880 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-03 05:14:33,233 INFO L282 CfgBuilder]: Performing block encoding [2024-05-03 05:14:33,333 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-03 05:14:33,334 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2024-05-03 05:14:33,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 05:14:33 BoogieIcfgContainer [2024-05-03 05:14:33,334 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-03 05:14:33,347 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-03 05:14:33,347 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-03 05:14:33,349 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-03 05:14:33,349 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.05 05:14:32" (1/3) ... [2024-05-03 05:14:33,350 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a387e38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 05:14:33, skipping insertion in model container [2024-05-03 05:14:33,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:14:32" (2/3) ... [2024-05-03 05:14:33,351 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a387e38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 05:14:33, skipping insertion in model container [2024-05-03 05:14:33,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 05:14:33" (3/3) ... [2024-05-03 05:14:33,354 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-queue-add-3-nl.wvr.c [2024-05-03 05:14:33,362 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-03 05:14:33,370 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-03 05:14:33,371 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-03 05:14:33,371 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-03 05:14:33,430 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-05-03 05:14:33,486 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 05:14:33,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 05:14:33,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:14:33,491 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 05:14:33,511 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 05:14:33,545 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 05:14:33,553 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-03 05:14:33,558 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;@37752f9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 05:14:33,559 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-03 05:14:33,565 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:14:33,697 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:33,697 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:33,697 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:33,721 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:33,722 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:33,722 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:33,773 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:33,774 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:33,774 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:33,805 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:33,805 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:33,806 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:33,849 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:33,850 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:33,850 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:33,873 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:33,874 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:33,874 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:33,964 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:33,964 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:33,964 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,007 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,008 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,008 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,044 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,045 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,045 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,046 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,047 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,047 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,073 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,073 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,073 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,094 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,094 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,095 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,125 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,125 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,125 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,168 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,169 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,169 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,183 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,183 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,183 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,202 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,202 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,202 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,214 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,215 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,215 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,226 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,226 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,226 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,258 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,258 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,258 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,278 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,279 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,279 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,305 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,305 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,305 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,305 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,305 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,305 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,317 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,318 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,318 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,327 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,327 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,328 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,339 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,340 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,340 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,346 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,347 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,347 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,355 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,356 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,356 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,368 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,368 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,368 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,377 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,378 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,378 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,385 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,386 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,386 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,414 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,414 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,414 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,432 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,433 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,433 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,446 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,446 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,446 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,446 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,447 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,447 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,460 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,461 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,461 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,469 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,470 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,470 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,482 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,484 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,484 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,495 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,496 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,496 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,504 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,504 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,505 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,514 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,514 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,514 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,554 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,554 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,554 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,562 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,562 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,562 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,582 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,582 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,582 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,602 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,602 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,602 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,612 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,612 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,612 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,612 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,612 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,612 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,619 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,619 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,619 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,625 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,626 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,626 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,669 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,670 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,670 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,687 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,688 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,688 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,707 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,707 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,707 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,730 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,730 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,731 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,747 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,747 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,747 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,767 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,768 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,768 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,807 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,807 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,808 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,834 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,835 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,835 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,852 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,852 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,853 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,853 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,853 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,853 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,896 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,896 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,896 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,912 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:34,913 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:34,913 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:34,916 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 803 states. [2024-05-03 05:14:34,916 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 05:14:34,919 INFO L78 Accepts]: Start accepts. Automaton has currently 911 states, but on-demand construction may add more states Word has length 179 [2024-05-03 05:14:34,923 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:14:34,923 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:14:34,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:14:34,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1175730705, now seen corresponding path program 1 times [2024-05-03 05:14:34,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:14:34,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643246020] [2024-05-03 05:14:34,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:14:34,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:14:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:14:35,244 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 05:14:35,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:14:35,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643246020] [2024-05-03 05:14:35,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643246020] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 05:14:35,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 05:14:35,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-03 05:14:35,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322392734] [2024-05-03 05:14:35,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 05:14:35,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-03 05:14:35,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:14:35,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-03 05:14:35,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-03 05:14:35,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:14:35,280 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:14:35,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 89.5) internal successors, (179), 2 states have internal predecessors, (179), 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 05:14:35,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:14:35,283 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:14:35,337 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,338 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,338 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,344 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,344 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,344 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,351 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,351 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,352 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,359 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,360 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,360 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,366 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,367 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,367 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,373 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,374 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,374 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,392 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,393 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,393 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,411 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,411 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,411 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,420 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,421 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,422 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,423 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,423 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,424 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,430 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,430 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,430 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,434 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,434 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,434 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,441 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,441 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,441 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,448 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,448 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,448 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,454 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,454 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,454 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,469 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,470 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,470 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,476 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,476 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,476 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,482 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,482 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,483 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,499 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,499 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,499 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,511 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,511 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,512 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,519 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,520 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,520 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,520 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,520 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,520 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,525 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,526 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,526 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,531 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,531 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,531 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,538 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,539 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,539 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,543 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,543 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,544 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,549 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,550 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,550 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,557 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,557 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,557 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,563 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,563 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,563 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,569 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,569 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,569 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,587 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,589 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,589 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,606 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,606 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,607 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,618 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,619 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,619 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,619 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,619 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,619 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,625 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,625 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,625 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,675 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,675 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,675 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,688 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,688 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,688 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,693 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,693 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,693 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,702 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,702 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,702 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,709 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,709 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,709 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,714 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,715 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,715 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,722 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,722 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,722 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,745 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,745 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,745 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,758 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,759 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,759 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,767 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,767 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,767 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,767 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,767 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,767 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,774 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,774 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,774 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,780 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,780 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,780 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,808 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,808 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,808 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,822 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,822 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,822 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,837 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,838 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,838 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,853 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,853 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,854 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,868 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,868 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,868 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,885 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,886 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,886 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,919 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,919 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,920 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,952 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,952 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,952 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,968 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,968 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,969 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,969 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,971 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,972 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:35,986 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:35,987 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:35,987 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,002 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,002 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,002 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,010 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 874 states. [2024-05-03 05:14:36,010 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 05:14:36,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:14:36,011 INFO L78 Accepts]: Start accepts. Automaton has currently 1022 states, but on-demand construction may add more states Word has length 173 [2024-05-03 05:14:36,014 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:14:36,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-03 05:14:36,015 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:14:36,015 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:14:36,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1844498319, now seen corresponding path program 1 times [2024-05-03 05:14:36,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:14:36,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655790928] [2024-05-03 05:14:36,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:14:36,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:14:36,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:14:36,431 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 05:14:36,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:14:36,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655790928] [2024-05-03 05:14:36,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655790928] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 05:14:36,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 05:14:36,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-03 05:14:36,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679759459] [2024-05-03 05:14:36,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 05:14:36,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-03 05:14:36,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:14:36,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-03 05:14:36,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-05-03 05:14:36,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:14:36,433 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:14:36,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.833333333333332) internal successors, (173), 6 states have internal predecessors, (173), 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 05:14:36,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:14:36,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:14:36,434 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:14:36,538 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,538 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,538 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,544 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,544 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,544 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,549 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,549 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,549 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,555 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,555 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,555 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,559 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,559 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,559 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,564 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,564 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,565 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,579 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,579 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,579 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,589 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,589 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,589 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,595 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,595 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,596 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,596 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,596 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,596 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,600 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,600 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,601 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,605 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,605 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,605 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,611 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,611 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,611 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,615 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,615 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,616 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,621 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,621 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,621 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,630 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,630 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,630 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,635 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,635 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,635 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,641 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,641 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,641 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,656 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,656 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,656 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,669 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,669 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,669 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,676 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,676 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,676 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,676 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,676 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,676 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,683 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,683 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,683 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,687 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,687 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,687 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,693 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,693 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,693 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,697 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,697 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,697 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,703 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,703 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,703 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,708 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,709 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,709 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,713 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,713 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,714 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,720 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,720 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,720 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,734 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,735 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,735 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,745 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,746 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,746 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,778 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,778 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,778 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,778 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,778 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,778 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,783 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,783 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,783 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,786 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,787 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,787 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,793 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,793 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,793 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,797 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,797 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,798 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,804 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,804 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,804 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,810 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,810 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,810 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,815 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,815 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,815 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,820 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,820 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,820 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,833 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,834 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,834 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,845 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,845 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,845 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,851 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,851 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,851 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,852 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,852 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,852 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,856 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,856 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,856 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,860 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,861 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,861 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,883 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,883 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,883 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,895 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,895 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,895 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,906 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,906 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,906 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,917 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,917 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,918 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,944 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,945 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,945 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,955 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,956 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,956 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:36,984 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:36,985 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:36,985 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,000 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,001 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,001 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,013 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,013 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,013 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,014 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,014 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,014 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,024 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,024 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,024 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,034 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,034 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,034 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,044 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 882 states. [2024-05-03 05:14:37,044 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 05:14:37,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:14:37,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:14:37,045 INFO L78 Accepts]: Start accepts. Automaton has currently 1030 states, but on-demand construction may add more states Word has length 181 [2024-05-03 05:14:37,045 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:14:37,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-03 05:14:37,046 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:14:37,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:14:37,046 INFO L85 PathProgramCache]: Analyzing trace with hash 128130838, now seen corresponding path program 1 times [2024-05-03 05:14:37,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:14:37,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058710904] [2024-05-03 05:14:37,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:14:37,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:14:37,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:14:37,300 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 05:14:37,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:14:37,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058710904] [2024-05-03 05:14:37,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058710904] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 05:14:37,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 05:14:37,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-03 05:14:37,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417922392] [2024-05-03 05:14:37,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 05:14:37,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-03 05:14:37,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:14:37,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-03 05:14:37,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-05-03 05:14:37,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:14:37,304 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:14:37,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 30.166666666666668) internal successors, (181), 6 states have internal predecessors, (181), 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 05:14:37,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:14:37,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:14:37,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:14:37,304 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:14:37,415 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,415 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,415 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,419 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,419 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,419 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,425 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,425 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,425 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,431 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,431 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,431 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,436 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,436 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,436 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,441 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,441 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,441 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,457 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,457 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,457 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,469 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,469 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,469 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,476 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,477 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,477 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,477 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,477 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,477 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,482 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,482 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,482 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,486 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,486 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,486 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,493 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,494 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,494 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,499 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,500 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,500 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,507 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,507 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,507 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,514 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,514 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,514 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,520 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,520 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,520 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,525 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,526 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,526 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,541 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,541 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,541 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,554 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,554 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,554 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,562 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,562 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,562 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,562 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,562 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,562 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,567 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,567 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,567 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,572 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,572 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,572 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,579 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,579 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,579 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,584 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,584 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,584 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,590 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,590 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,590 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,595 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,595 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,595 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,599 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,600 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,600 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,604 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,604 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,604 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,618 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,618 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,619 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,628 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,628 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,628 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,634 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,634 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,634 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,634 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,634 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,634 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,638 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,638 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,638 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,642 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,642 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,642 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,648 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,648 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,648 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,652 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,652 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,652 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,657 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,657 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,657 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,662 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,662 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,662 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,667 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,667 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,667 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,671 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,672 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,672 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,684 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,684 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,684 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,693 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,693 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,693 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,699 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,700 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,700 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,700 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,700 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,700 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,704 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,704 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,704 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,708 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,708 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,708 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,727 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,727 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,727 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,737 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,737 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,737 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,777 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,777 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,777 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,787 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,788 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,788 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,797 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,797 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,797 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,811 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,811 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,811 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,828 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,828 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,828 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,843 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,843 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,843 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,854 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,854 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,855 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,855 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,855 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,855 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,864 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,864 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,864 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,873 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:37,873 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:37,873 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:37,884 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 890 states. [2024-05-03 05:14:37,884 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 05:14:37,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:14:37,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:14:37,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:14:37,884 INFO L78 Accepts]: Start accepts. Automaton has currently 1038 states, but on-demand construction may add more states Word has length 189 [2024-05-03 05:14:37,885 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:14:37,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-03 05:14:37,885 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:14:37,886 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:14:37,886 INFO L85 PathProgramCache]: Analyzing trace with hash -504272297, now seen corresponding path program 1 times [2024-05-03 05:14:37,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:14:37,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423537999] [2024-05-03 05:14:37,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:14:37,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:14:38,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:14:39,248 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 05:14:39,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:14:39,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423537999] [2024-05-03 05:14:39,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423537999] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 05:14:39,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 05:14:39,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-05-03 05:14:39,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517696741] [2024-05-03 05:14:39,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 05:14:39,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-05-03 05:14:39,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:14:39,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-05-03 05:14:39,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2024-05-03 05:14:39,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:14:39,250 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:14:39,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 10.5) internal successors, (189), 18 states have internal predecessors, (189), 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 05:14:39,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:14:39,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:14:39,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:14:39,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:14:39,251 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:14:39,476 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:39,476 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:39,476 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:39,485 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:39,485 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:39,486 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:39,491 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:39,491 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:39,491 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:39,498 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:39,498 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:39,498 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:39,503 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:39,503 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:39,503 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:39,509 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:39,509 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:39,509 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:39,523 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:39,523 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:39,523 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:39,534 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:39,534 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:39,534 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:39,541 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:39,541 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:39,541 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:39,541 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:39,541 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:39,541 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:39,546 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:39,546 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:39,546 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:39,550 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:39,550 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:39,550 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:39,573 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:39,573 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:39,573 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:39,584 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:39,584 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:39,584 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:39,598 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:39,598 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:39,598 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:39,611 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:39,611 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:39,611 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:39,622 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:39,622 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:39,622 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:39,635 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:39,635 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:39,635 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:39,655 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:39,655 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:39,655 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:39,672 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:39,673 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:39,673 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:39,686 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:39,686 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:39,686 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:39,687 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:39,687 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:39,687 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:39,698 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:39,698 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:39,698 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:39,709 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:39,709 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:39,709 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:39,745 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 543 states. [2024-05-03 05:14:39,745 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 05:14:39,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:14:39,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:14:39,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:14:39,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:14:39,745 INFO L78 Accepts]: Start accepts. Automaton has currently 667 states, but on-demand construction may add more states Word has length 195 [2024-05-03 05:14:39,746 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:14:39,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-03 05:14:39,748 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:14:39,748 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:14:39,748 INFO L85 PathProgramCache]: Analyzing trace with hash 604817182, now seen corresponding path program 1 times [2024-05-03 05:14:39,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:14:39,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515557369] [2024-05-03 05:14:39,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:14:39,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:14:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:14:40,032 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 05:14:40,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:14:40,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515557369] [2024-05-03 05:14:40,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515557369] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:14:40,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [382952941] [2024-05-03 05:14:40,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:14:40,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:14:40,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:14:40,070 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 05:14:40,088 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 05:14:40,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:14:40,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 9 conjunts are in the unsatisfiable core [2024-05-03 05:14:40,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:14:40,390 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 05:14:40,390 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:14:40,613 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 05:14:40,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [382952941] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:14:40,614 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:14:40,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-05-03 05:14:40,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464787524] [2024-05-03 05:14:40,614 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:14:40,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-05-03 05:14:40,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:14:40,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-05-03 05:14:40,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2024-05-03 05:14:40,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:14:40,616 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:14:40,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 13.157894736842104) internal successors, (250), 19 states have internal predecessors, (250), 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 05:14:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:14:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:14:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:14:40,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:14:40,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:14:40,617 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:14:40,855 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:40,855 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:40,855 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:40,861 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:40,861 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:40,861 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:40,868 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:40,868 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:40,868 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:40,875 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:40,875 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:40,875 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:40,886 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:40,887 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:40,887 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:40,893 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:40,894 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:40,894 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:40,912 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:40,912 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:40,912 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:40,929 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:40,929 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:40,929 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:40,938 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:40,938 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:40,939 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:40,939 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:40,939 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:40,939 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:40,946 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:40,946 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:40,947 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:40,954 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:40,954 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:40,954 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:40,989 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:40,989 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:40,989 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:41,004 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:41,004 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:41,004 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:41,019 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:41,020 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:41,020 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:41,036 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:41,037 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:41,037 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:41,054 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:41,054 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:41,055 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:41,071 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:41,071 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:41,071 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:41,099 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:41,099 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:41,100 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:41,124 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:41,124 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:41,124 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:41,141 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:41,141 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:41,142 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:41,142 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:41,142 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:41,142 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:41,157 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:41,157 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:41,157 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:41,171 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:14:41,171 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:14:41,171 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:14:41,194 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 552 states. [2024-05-03 05:14:41,194 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 05:14:41,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:14:41,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:14:41,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:14:41,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:14:41,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:14:41,195 INFO L78 Accepts]: Start accepts. Automaton has currently 676 states, but on-demand construction may add more states Word has length 203 [2024-05-03 05:14:41,196 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:14:41,215 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 05:14:41,402 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 05:14:41,404 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:14:41,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:14:41,404 INFO L85 PathProgramCache]: Analyzing trace with hash -942539773, now seen corresponding path program 2 times [2024-05-03 05:14:41,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:14:41,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854195415] [2024-05-03 05:14:41,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:14:41,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:14:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:14:42,382 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 05:14:42,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:14:42,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854195415] [2024-05-03 05:14:42,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854195415] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:14:42,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1182461976] [2024-05-03 05:14:42,383 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 05:14:42,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:14:42,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:14:42,397 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 05:14:42,424 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 05:14:42,528 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 05:14:42,528 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:14:42,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 23 conjunts are in the unsatisfiable core [2024-05-03 05:14:42,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:14:43,239 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-05-03 05:14:43,239 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 05:14:43,259 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 05:14:43,260 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:14:43,447 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-05-03 05:14:43,447 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 05:14:44,515 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 05:14:44,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1182461976] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:14:44,516 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:14:44,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 14, 14] total 41 [2024-05-03 05:14:44,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149374860] [2024-05-03 05:14:44,516 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:14:44,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-05-03 05:14:44,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:14:44,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-05-03 05:14:44,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=1459, Unknown=0, NotChecked=0, Total=1640 [2024-05-03 05:14:44,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:14:44,518 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:14:44,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 11.292682926829269) internal successors, (463), 41 states have internal predecessors, (463), 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 05:14:44,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:14:44,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:14:44,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:14:44,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:14:44,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:14:44,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:14:44,519 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:14:45,640 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 370 states. [2024-05-03 05:14:45,640 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 05:14:45,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:14:45,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:14:45,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:14:45,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:14:45,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:14:45,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:14:45,644 INFO L78 Accepts]: Start accepts. Automaton has currently 373 states, but on-demand construction may add more states Word has length 229 [2024-05-03 05:14:45,646 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:14:45,651 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-03 05:14:45,846 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 05:14:45,846 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:14:45,847 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:14:45,847 INFO L85 PathProgramCache]: Analyzing trace with hash 536071375, now seen corresponding path program 1 times [2024-05-03 05:14:45,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:14:45,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756367727] [2024-05-03 05:14:45,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:14:45,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:14:45,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:14:46,251 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 18 proven. 32 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-03 05:14:46,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:14:46,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756367727] [2024-05-03 05:14:46,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756367727] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:14:46,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718976322] [2024-05-03 05:14:46,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:14:46,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:14:46,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:14:46,252 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 05:14:46,254 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 05:14:46,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:14:46,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 15 conjunts are in the unsatisfiable core [2024-05-03 05:14:46,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:14:46,702 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 23 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-03 05:14:46,702 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:14:47,026 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 8 proven. 42 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-03 05:14:47,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [718976322] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:14:47,027 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:14:47,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37 [2024-05-03 05:14:47,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640979950] [2024-05-03 05:14:47,027 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:14:47,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-05-03 05:14:47,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:14:47,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-05-03 05:14:47,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=1097, Unknown=0, NotChecked=0, Total=1332 [2024-05-03 05:14:47,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:14:47,029 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:14:47,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 9.324324324324325) internal successors, (345), 37 states have internal predecessors, (345), 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 05:14:47,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:14:47,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:14:47,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:14:47,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:14:47,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:14:47,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:14:47,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:14:47,030 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:14:47,417 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 379 states. [2024-05-03 05:14:47,418 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 05:14:47,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:14:47,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:14:47,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:14:47,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:14:47,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:14:47,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:14:47,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:14:47,418 INFO L78 Accepts]: Start accepts. Automaton has currently 382 states, but on-demand construction may add more states Word has length 237 [2024-05-03 05:14:47,419 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:14:47,425 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-03 05:14:47,625 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 05:14:47,625 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:14:47,626 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:14:47,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1722840972, now seen corresponding path program 2 times [2024-05-03 05:14:47,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:14:47,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847933191] [2024-05-03 05:14:47,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:14:47,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:14:47,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:14:47,827 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-05-03 05:14:47,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:14:47,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847933191] [2024-05-03 05:14:47,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847933191] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:14:47,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423342076] [2024-05-03 05:14:47,828 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 05:14:47,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:14:47,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:14:47,829 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 05:14:47,844 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 05:14:47,969 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 05:14:47,969 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:14:47,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 9 conjunts are in the unsatisfiable core [2024-05-03 05:14:47,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:14:48,092 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-05-03 05:14:48,093 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:14:48,259 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-05-03 05:14:48,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [423342076] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:14:48,259 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:14:48,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-05-03 05:14:48,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100314630] [2024-05-03 05:14:48,259 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:14:48,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-05-03 05:14:48,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:14:48,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-05-03 05:14:48,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2024-05-03 05:14:48,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:14:48,261 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:14:48,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 13.368421052631579) internal successors, (254), 19 states have internal predecessors, (254), 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 05:14:48,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:14:48,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:14:48,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:14:48,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:14:48,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:14:48,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:14:48,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:14:48,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:14:48,262 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:14:48,425 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 388 states. [2024-05-03 05:14:48,425 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 05:14:48,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:14:48,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:14:48,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:14:48,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:14:48,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:14:48,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:14:48,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:14:48,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:14:48,426 INFO L78 Accepts]: Start accepts. Automaton has currently 391 states, but on-demand construction may add more states Word has length 245 [2024-05-03 05:14:48,427 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:14:48,433 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 05:14:48,632 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 05:14:48,633 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:14:48,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:14:48,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1388629835, now seen corresponding path program 3 times [2024-05-03 05:14:48,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:14:48,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715249181] [2024-05-03 05:14:48,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:14:48,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:14:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:14:50,527 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 5 proven. 74 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-03 05:14:50,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:14:50,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715249181] [2024-05-03 05:14:50,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715249181] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:14:50,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034961804] [2024-05-03 05:14:50,527 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 05:14:50,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:14:50,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:14:50,531 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 05:14:50,536 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 05:14:50,705 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-05-03 05:14:50,705 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:14:50,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 10 conjunts are in the unsatisfiable core [2024-05-03 05:14:50,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:14:50,962 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 05:14:50,984 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-05-03 05:14:50,984 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:14:51,042 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-05-03 05:14:51,043 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 05:14:51,275 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-05-03 05:14:51,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1034961804] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:14:51,275 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:14:51,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 6, 6] total 31 [2024-05-03 05:14:51,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012645808] [2024-05-03 05:14:51,275 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:14:51,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-05-03 05:14:51,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:14:51,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-05-03 05:14:51,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=843, Unknown=0, NotChecked=0, Total=930 [2024-05-03 05:14:51,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:14:51,277 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:14:51,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 12.451612903225806) internal successors, (386), 31 states have internal predecessors, (386), 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 05:14:51,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:14:51,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:14:51,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:14:51,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:14:51,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:14:51,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:14:51,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:14:51,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:14:51,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:14:51,279 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:14:52,515 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 404 states. [2024-05-03 05:14:52,515 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 05:14:52,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:14:52,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:14:52,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:14:52,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:14:52,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:14:52,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:14:52,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:14:52,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:14:52,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-03 05:14:52,516 INFO L78 Accepts]: Start accepts. Automaton has currently 407 states, but on-demand construction may add more states Word has length 258 [2024-05-03 05:14:52,517 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:14:52,530 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 05:14:52,718 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 05:14:52,718 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:14:52,718 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:14:52,718 INFO L85 PathProgramCache]: Analyzing trace with hash -79845548, now seen corresponding path program 1 times [2024-05-03 05:14:52,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:14:52,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303748686] [2024-05-03 05:14:52,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:14:52,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:14:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:14:54,973 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-05-03 05:14:54,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:14:54,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303748686] [2024-05-03 05:14:54,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303748686] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:14:54,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054002179] [2024-05-03 05:14:54,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:14:54,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:14:54,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:14:54,975 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 05:14:55,002 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 05:14:55,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:14:55,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 46 conjunts are in the unsatisfiable core [2024-05-03 05:14:55,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:14:56,314 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 1 proven. 111 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-05-03 05:14:56,314 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:14:56,563 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-03 05:14:56,564 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 05:14:58,017 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-05-03 05:14:58,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2054002179] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:14:58,017 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:14:58,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 23, 23] total 69 [2024-05-03 05:14:58,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675715195] [2024-05-03 05:14:58,018 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:14:58,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2024-05-03 05:14:58,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:14:58,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2024-05-03 05:14:58,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=681, Invalid=4011, Unknown=0, NotChecked=0, Total=4692 [2024-05-03 05:14:58,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:14:58,021 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:14:58,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 8.376811594202898) internal successors, (578), 69 states have internal predecessors, (578), 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 05:14:58,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:14:58,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:14:58,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:14:58,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:14:58,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:14:58,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:14:58,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:14:58,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:14:58,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-03 05:14:58,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:14:58,022 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:15:00,420 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:00,420 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:15:00,420 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:00,429 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:00,429 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:00,429 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:00,446 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:00,447 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:00,447 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:00,495 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:00,496 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:00,496 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:00,632 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:00,632 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:15:00,632 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:00,646 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:00,647 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:00,647 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:00,668 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:00,668 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:00,669 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:00,722 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:00,722 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:00,722 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:00,740 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:00,740 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:00,740 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:00,760 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:00,760 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:00,760 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:00,798 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:00,798 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:00,799 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:00,883 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 617 states. [2024-05-03 05:15:00,883 INFO L212 cStratifiedReduction]: Copied states 14 times. [2024-05-03 05:15:00,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:15:00,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:15:00,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:15:00,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:00,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:00,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:15:00,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:15:00,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:00,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:15:00,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:00,884 INFO L78 Accepts]: Start accepts. Automaton has currently 774 states, but on-demand construction may add more states Word has length 278 [2024-05-03 05:15:00,885 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:15:00,903 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 05:15:01,104 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 05:15:01,104 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:15:01,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:15:01,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1051443521, now seen corresponding path program 2 times [2024-05-03 05:15:01,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:15:01,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673293438] [2024-05-03 05:15:01,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:15:01,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:15:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:15:02,979 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 16 proven. 181 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-05-03 05:15:02,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:15:02,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673293438] [2024-05-03 05:15:02,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673293438] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:15:02,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494554110] [2024-05-03 05:15:02,980 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 05:15:02,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:15:02,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:15:02,997 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 05:15:03,021 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 05:15:03,213 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 05:15:03,214 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:15:03,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 37 conjunts are in the unsatisfiable core [2024-05-03 05:15:03,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:15:04,458 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 05:15:04,458 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 15 [2024-05-03 05:15:04,647 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 29 proven. 168 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-05-03 05:15:04,647 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:15:05,025 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-03 05:15:05,026 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 05:15:07,738 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 197 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-05-03 05:15:07,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494554110] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:15:07,738 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:15:07,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 27, 27] total 80 [2024-05-03 05:15:07,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138086146] [2024-05-03 05:15:07,739 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:15:07,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2024-05-03 05:15:07,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:15:07,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2024-05-03 05:15:07,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=685, Invalid=5635, Unknown=0, NotChecked=0, Total=6320 [2024-05-03 05:15:07,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:15:07,745 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:15:07,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 8.05) internal successors, (644), 80 states have internal predecessors, (644), 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 05:15:07,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:15:07,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:15:07,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:15:07,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:07,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:07,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:15:07,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:15:07,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:07,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:15:07,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:07,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:15:07,747 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:15:09,834 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:09,834 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:15:09,834 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:09,840 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:09,840 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:09,840 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:09,852 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:09,852 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:09,852 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:09,885 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:09,885 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:09,885 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:09,919 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:09,920 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:15:09,920 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:09,930 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:09,930 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:09,930 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:09,946 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:09,946 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:09,947 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:09,960 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:09,960 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:09,960 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:09,974 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:09,974 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:09,974 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:09,988 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:09,988 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:09,988 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:10,009 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:10,009 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:10,009 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:10,062 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 626 states. [2024-05-03 05:15:10,063 INFO L212 cStratifiedReduction]: Copied states 14 times. [2024-05-03 05:15:10,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:15:10,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:15:10,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:15:10,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:10,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:10,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:15:10,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:15:10,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:10,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:15:10,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:10,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:10,064 INFO L78 Accepts]: Start accepts. Automaton has currently 783 states, but on-demand construction may add more states Word has length 286 [2024-05-03 05:15:10,065 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:15:10,074 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 05:15:10,273 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 05:15:10,273 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:15:10,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:15:10,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1587447748, now seen corresponding path program 3 times [2024-05-03 05:15:10,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:15:10,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498405838] [2024-05-03 05:15:10,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:15:10,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:15:10,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:15:12,991 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 5 proven. 241 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-05-03 05:15:12,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:15:12,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498405838] [2024-05-03 05:15:12,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498405838] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:15:12,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850320075] [2024-05-03 05:15:12,992 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 05:15:12,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:15:12,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:15:13,010 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 05:15:13,018 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 05:15:13,310 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-05-03 05:15:13,311 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:15:13,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 11 conjunts are in the unsatisfiable core [2024-05-03 05:15:13,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:15:13,643 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-05-03 05:15:13,643 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:15:13,756 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-03 05:15:13,756 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 05:15:13,903 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-05-03 05:15:13,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1850320075] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:15:13,903 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:15:13,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 7, 7] total 40 [2024-05-03 05:15:13,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094063274] [2024-05-03 05:15:13,904 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:15:13,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-05-03 05:15:13,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:15:13,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-05-03 05:15:13,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=1416, Unknown=0, NotChecked=0, Total=1560 [2024-05-03 05:15:13,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:15:13,908 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:15:13,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 11.275) internal successors, (451), 40 states have internal predecessors, (451), 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 05:15:13,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:15:13,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:15:13,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:15:13,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:13,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:13,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:15:13,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:15:13,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:13,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:15:13,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:13,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:13,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:15:13,909 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:15:15,248 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:15,248 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:15:15,248 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:15,253 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:15,253 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:15,253 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:15,266 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:15,266 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:15,266 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:15,280 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:15,281 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:15,281 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:15,315 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:15,315 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:15:15,315 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:15,325 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:15,325 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:15,326 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:15,341 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:15,341 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:15,341 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:15,355 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:15,356 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:15,356 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:15,369 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:15,369 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:15,369 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:15,382 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:15,382 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:15,382 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:15,402 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:15,402 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:15,402 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:15,449 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 667 states. [2024-05-03 05:15:15,449 INFO L212 cStratifiedReduction]: Copied states 14 times. [2024-05-03 05:15:15,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:15:15,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:15:15,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:15:15,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:15,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:15,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:15:15,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:15:15,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:15,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:15:15,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:15,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:15,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:15,450 INFO L78 Accepts]: Start accepts. Automaton has currently 828 states, but on-demand construction may add more states Word has length 306 [2024-05-03 05:15:15,451 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:15:15,460 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 05:15:15,658 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 05:15:15,658 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:15:15,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:15:15,658 INFO L85 PathProgramCache]: Analyzing trace with hash -296561705, now seen corresponding path program 4 times [2024-05-03 05:15:15,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:15:15,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474699395] [2024-05-03 05:15:15,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:15:15,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:15:15,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:15:15,923 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 18 proven. 66 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2024-05-03 05:15:15,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:15:15,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474699395] [2024-05-03 05:15:15,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474699395] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:15:15,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951111690] [2024-05-03 05:15:15,923 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-03 05:15:15,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:15:15,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:15:15,924 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 05:15:15,968 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 05:15:16,117 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-03 05:15:16,117 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:15:16,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 12 conjunts are in the unsatisfiable core [2024-05-03 05:15:16,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:15:16,411 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 74 proven. 10 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2024-05-03 05:15:16,411 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:15:16,716 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 6 proven. 78 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2024-05-03 05:15:16,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951111690] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:15:16,717 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:15:16,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 28 [2024-05-03 05:15:16,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538387897] [2024-05-03 05:15:16,717 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:15:16,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-05-03 05:15:16,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:15:16,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-05-03 05:15:16,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756 [2024-05-03 05:15:16,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:15:16,720 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:15:16,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 12.428571428571429) internal successors, (348), 28 states have internal predecessors, (348), 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 05:15:16,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:15:16,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:15:16,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:15:16,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:16,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:16,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:15:16,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:15:16,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:16,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:15:16,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:16,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:16,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:16,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:15:16,721 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:15:17,035 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:17,035 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:15:17,035 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:17,040 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:17,040 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:17,040 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:17,052 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:17,052 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:17,052 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:17,066 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:17,066 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:17,066 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:17,086 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:17,087 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:15:17,087 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:17,196 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:17,196 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:17,196 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:17,212 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:17,213 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:17,213 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:17,227 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:17,227 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:17,227 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:17,244 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:17,244 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:17,244 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:17,257 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:17,257 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:17,257 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:17,277 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:17,277 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:17,277 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:17,302 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 676 states. [2024-05-03 05:15:17,302 INFO L212 cStratifiedReduction]: Copied states 14 times. [2024-05-03 05:15:17,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:15:17,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:15:17,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:15:17,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:17,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:17,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:15:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:15:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:15:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:15:17,303 INFO L78 Accepts]: Start accepts. Automaton has currently 837 states, but on-demand construction may add more states Word has length 314 [2024-05-03 05:15:17,305 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:15:17,311 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-05-03 05:15:17,510 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 05:15:17,511 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:15:17,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:15:17,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1342260278, now seen corresponding path program 5 times [2024-05-03 05:15:17,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:15:17,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135224314] [2024-05-03 05:15:17,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:15:17,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:15:17,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:15:18,896 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 12 proven. 94 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2024-05-03 05:15:18,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:15:18,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135224314] [2024-05-03 05:15:18,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135224314] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:15:18,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713510253] [2024-05-03 05:15:18,897 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-03 05:15:18,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:15:18,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:15:18,900 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 05:15:18,934 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 05:15:19,168 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-05-03 05:15:19,168 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:15:19,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 29 conjunts are in the unsatisfiable core [2024-05-03 05:15:19,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:15:19,779 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 214 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-05-03 05:15:19,779 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:15:19,953 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-03 05:15:19,953 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 05:15:20,154 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-05-03 05:15:20,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713510253] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:15:20,154 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:15:20,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 14, 9] total 40 [2024-05-03 05:15:20,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624932338] [2024-05-03 05:15:20,155 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:15:20,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-05-03 05:15:20,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:15:20,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-05-03 05:15:20,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=1457, Unknown=0, NotChecked=0, Total=1560 [2024-05-03 05:15:20,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:15:20,157 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:15:20,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 12.275) internal successors, (491), 40 states have internal predecessors, (491), 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 05:15:20,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:15:20,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:15:20,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:15:20,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:20,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:20,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:15:20,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:15:20,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:20,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:15:20,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:20,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:20,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:20,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:15:20,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:15:20,158 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:15:22,084 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:22,084 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:15:22,084 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:22,090 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:22,090 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:22,090 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:22,102 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:22,102 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:22,103 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:22,116 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:22,117 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:22,117 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:22,197 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:22,197 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:15:22,197 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:22,207 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:22,207 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:22,208 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:22,223 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:22,223 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:22,223 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:22,241 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:22,241 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:22,241 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:22,255 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:22,255 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:22,255 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:22,270 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:22,271 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:22,271 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:22,301 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:22,301 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:22,301 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:22,349 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 717 states. [2024-05-03 05:15:22,349 INFO L212 cStratifiedReduction]: Copied states 14 times. [2024-05-03 05:15:22,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:15:22,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:15:22,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:15:22,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:22,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:22,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:15:22,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:15:22,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:22,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:15:22,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:22,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:22,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:22,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:15:22,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:15:22,350 INFO L78 Accepts]: Start accepts. Automaton has currently 882 states, but on-demand construction may add more states Word has length 334 [2024-05-03 05:15:22,352 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:15:22,358 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 05:15:22,558 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 05:15:22,559 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:15:22,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:15:22,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1062168523, now seen corresponding path program 6 times [2024-05-03 05:15:22,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:15:22,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331102556] [2024-05-03 05:15:22,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:15:22,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:15:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:15:24,554 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 66 proven. 335 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-05-03 05:15:24,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:15:24,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331102556] [2024-05-03 05:15:24,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331102556] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:15:24,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194701861] [2024-05-03 05:15:24,554 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-03 05:15:24,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:15:24,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:15:24,556 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 05:15:24,557 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 05:15:25,362 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-05-03 05:15:25,362 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:15:25,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 32 conjunts are in the unsatisfiable core [2024-05-03 05:15:25,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:15:26,584 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-05-03 05:15:26,585 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 05:15:26,606 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 117 proven. 69 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2024-05-03 05:15:26,606 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:15:26,971 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-03 05:15:26,984 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 05:15:29,159 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 6 proven. 180 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2024-05-03 05:15:29,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1194701861] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:15:29,159 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:15:29,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 22, 22] total 79 [2024-05-03 05:15:29,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957539961] [2024-05-03 05:15:29,159 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:15:29,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2024-05-03 05:15:29,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:15:29,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2024-05-03 05:15:29,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=454, Invalid=5708, Unknown=0, NotChecked=0, Total=6162 [2024-05-03 05:15:29,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:15:29,162 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:15:29,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 8.91139240506329) internal successors, (704), 79 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 05:15:29,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:15:29,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:15:29,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:15:29,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:29,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:29,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:15:29,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:15:29,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:29,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:15:29,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:29,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:29,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:29,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:15:29,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:15:29,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:15:29,163 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:15:32,413 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:32,413 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:15:32,413 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:32,419 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:32,419 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:32,419 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:32,431 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:32,431 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:32,431 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:32,445 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:32,445 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:32,445 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:32,569 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:32,569 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:15:32,569 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:32,592 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:32,592 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:32,592 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:32,608 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:32,608 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:32,608 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:32,662 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:32,662 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:32,662 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:32,677 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:32,677 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:32,678 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:32,695 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:32,695 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:32,695 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:32,732 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:32,732 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:32,732 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:32,818 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 735 states. [2024-05-03 05:15:32,819 INFO L212 cStratifiedReduction]: Copied states 14 times. [2024-05-03 05:15:32,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:15:32,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:15:32,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:15:32,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:32,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:32,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:15:32,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:15:32,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:32,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:15:32,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:32,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:32,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:32,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:15:32,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:15:32,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-03 05:15:32,820 INFO L78 Accepts]: Start accepts. Automaton has currently 900 states, but on-demand construction may add more states Word has length 350 [2024-05-03 05:15:32,822 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:15:32,833 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 05:15:33,022 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 05:15:33,023 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:15:33,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:15:33,023 INFO L85 PathProgramCache]: Analyzing trace with hash -826461425, now seen corresponding path program 7 times [2024-05-03 05:15:33,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:15:33,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746889479] [2024-05-03 05:15:33,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:15:33,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:15:33,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:15:35,686 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 0 proven. 466 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-05-03 05:15:35,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:15:35,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746889479] [2024-05-03 05:15:35,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746889479] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:15:35,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877379781] [2024-05-03 05:15:35,686 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-03 05:15:35,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:15:35,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:15:35,688 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 05:15:35,690 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 05:15:35,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:15:35,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 730 conjuncts, 74 conjunts are in the unsatisfiable core [2024-05-03 05:15:35,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:15:37,674 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 05:15:37,786 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 24 proven. 442 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-05-03 05:15:37,786 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:15:38,136 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-03 05:15:38,137 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 05:15:40,176 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 1 proven. 465 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-05-03 05:15:40,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1877379781] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:15:40,177 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:15:40,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 37, 37] total 108 [2024-05-03 05:15:40,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368050008] [2024-05-03 05:15:40,177 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:15:40,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 108 states [2024-05-03 05:15:40,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:15:40,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2024-05-03 05:15:40,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1626, Invalid=9930, Unknown=0, NotChecked=0, Total=11556 [2024-05-03 05:15:40,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:15:40,181 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:15:40,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 108 states, 108 states have (on average 7.148148148148148) internal successors, (772), 108 states have internal predecessors, (772), 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 05:15:40,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:15:40,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:15:40,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:15:40,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:40,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:40,181 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:15:40,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:15:40,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:40,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:15:40,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:40,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:40,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:40,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:15:40,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:15:40,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-03 05:15:40,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:15:40,182 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:15:43,231 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:43,231 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:15:43,231 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:43,237 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:43,237 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:43,237 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:43,254 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:43,254 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:43,254 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:43,269 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:43,269 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:43,269 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:43,308 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:43,308 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:15:43,308 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:43,331 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:43,331 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:43,331 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:43,349 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:43,349 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:43,349 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:43,364 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:43,364 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:43,364 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:43,378 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:43,378 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:43,378 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:43,391 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:43,391 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:43,391 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:43,411 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:43,411 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:43,411 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:43,478 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 782 states. [2024-05-03 05:15:43,478 INFO L212 cStratifiedReduction]: Copied states 14 times. [2024-05-03 05:15:43,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:15:43,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:15:43,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:15:43,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:43,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:43,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:15:43,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:15:43,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:43,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:15:43,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:43,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:43,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:43,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:15:43,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:15:43,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-03 05:15:43,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-03 05:15:43,482 INFO L78 Accepts]: Start accepts. Automaton has currently 947 states, but on-demand construction may add more states Word has length 370 [2024-05-03 05:15:43,485 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:15:43,491 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-05-03 05:15:43,691 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 05:15:43,692 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:15:43,692 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:15:43,692 INFO L85 PathProgramCache]: Analyzing trace with hash 2036198268, now seen corresponding path program 8 times [2024-05-03 05:15:43,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:15:43,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703337970] [2024-05-03 05:15:43,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:15:43,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:15:43,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:15:46,222 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 130 proven. 501 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-05-03 05:15:46,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:15:46,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703337970] [2024-05-03 05:15:46,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703337970] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:15:46,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443734137] [2024-05-03 05:15:46,223 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 05:15:46,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:15:46,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:15:46,224 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 05:15:46,235 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 05:15:46,418 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 05:15:46,418 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:15:46,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 69 conjunts are in the unsatisfiable core [2024-05-03 05:15:46,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:15:47,874 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 05:15:47,981 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 1 proven. 630 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-05-03 05:15:47,981 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:15:48,489 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-03 05:15:48,490 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 05:15:50,977 INFO L134 CoverageAnalysis]: Checked inductivity of 721 backedges. 6 proven. 625 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-05-03 05:15:50,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1443734137] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:15:50,978 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:15:50,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 41, 41] total 122 [2024-05-03 05:15:50,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585110634] [2024-05-03 05:15:50,978 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:15:50,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 122 states [2024-05-03 05:15:50,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:15:50,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2024-05-03 05:15:50,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2107, Invalid=12655, Unknown=0, NotChecked=0, Total=14762 [2024-05-03 05:15:50,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:15:50,984 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:15:50,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 122 states, 122 states have (on average 6.950819672131147) internal successors, (848), 122 states have internal predecessors, (848), 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 05:15:50,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:15:50,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:15:50,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:15:50,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:50,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:50,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:15:50,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:15:50,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:50,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:15:50,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:50,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:50,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:50,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:15:50,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:15:50,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-03 05:15:50,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-03 05:15:50,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:15:50,985 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:15:54,439 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:54,439 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:15:54,439 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:54,445 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:54,445 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:54,445 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:54,457 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:54,458 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:54,458 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:54,492 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:54,492 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:54,492 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:54,537 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:54,538 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:15:54,538 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:54,618 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:54,619 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:54,619 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:54,635 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:54,635 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:54,635 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:54,650 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:54,650 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:54,650 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:54,663 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:54,664 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:54,664 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:54,677 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:54,677 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:54,678 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:54,697 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:15:54,697 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:54,697 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:15:54,756 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 810 states. [2024-05-03 05:15:54,756 INFO L212 cStratifiedReduction]: Copied states 14 times. [2024-05-03 05:15:54,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:15:54,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:15:54,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:15:54,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:54,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:54,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:15:54,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:15:54,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:54,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:15:54,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:54,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:54,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:54,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:15:54,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:15:54,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-03 05:15:54,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-03 05:15:54,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:15:54,762 INFO L78 Accepts]: Start accepts. Automaton has currently 975 states, but on-demand construction may add more states Word has length 384 [2024-05-03 05:15:54,765 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:15:54,775 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 05:15:54,975 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 05:15:54,978 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:15:54,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:15:54,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1208562928, now seen corresponding path program 9 times [2024-05-03 05:15:54,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:15:54,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431134326] [2024-05-03 05:15:54,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:15:54,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:15:55,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:15:57,615 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 171 proven. 596 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-05-03 05:15:57,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:15:57,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431134326] [2024-05-03 05:15:57,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431134326] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:15:57,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488229385] [2024-05-03 05:15:57,619 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 05:15:57,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:15:57,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:15:57,620 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 05:15:57,622 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 05:15:57,890 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-05-03 05:15:57,890 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:15:57,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 12 conjunts are in the unsatisfiable core [2024-05-03 05:15:57,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:15:58,181 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 05:15:58,203 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 681 trivial. 0 not checked. [2024-05-03 05:15:58,203 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:15:58,271 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-03 05:15:58,271 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 05:15:58,419 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 6 proven. 170 refuted. 0 times theorem prover too weak. 681 trivial. 0 not checked. [2024-05-03 05:15:58,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1488229385] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:15:58,420 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:15:58,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 8, 8] total 56 [2024-05-03 05:15:58,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273028741] [2024-05-03 05:15:58,420 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:15:58,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2024-05-03 05:15:58,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:15:58,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2024-05-03 05:15:58,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=283, Invalid=2797, Unknown=0, NotChecked=0, Total=3080 [2024-05-03 05:15:58,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:15:58,423 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:15:58,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 9.303571428571429) internal successors, (521), 56 states have internal predecessors, (521), 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 05:15:58,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:15:58,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:15:58,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:15:58,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:58,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:58,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:15:58,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:15:58,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:15:58,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:15:58,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:58,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:58,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:15:58,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:15:58,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:15:58,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-03 05:15:58,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-03 05:15:58,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:15:58,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:15:58,424 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:16:00,425 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:00,426 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:16:00,426 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:00,431 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:00,431 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:00,431 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:00,455 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:00,455 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:00,455 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:00,476 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:00,476 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:00,476 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:00,659 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:00,659 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:16:00,659 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:00,670 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:00,670 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:00,670 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:00,695 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:00,695 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:00,695 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:00,798 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:00,799 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:00,799 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:00,818 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:00,818 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:00,818 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:00,842 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:00,842 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:00,842 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:00,893 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:00,893 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:00,893 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:00,954 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 879 states. [2024-05-03 05:16:00,954 INFO L212 cStratifiedReduction]: Copied states 14 times. [2024-05-03 05:16:00,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:16:00,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:16:00,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:16:00,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:16:00,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:16:00,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:16:00,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:16:00,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:16:00,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:16:00,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:16:00,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:16:00,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:16:00,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:16:00,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:16:00,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-03 05:16:00,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-03 05:16:00,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:16:00,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-03 05:16:00,955 INFO L78 Accepts]: Start accepts. Automaton has currently 1099 states, but on-demand construction may add more states Word has length 397 [2024-05-03 05:16:00,958 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:16:00,965 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 05:16:01,165 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 05:16:01,165 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:16:01,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:16:01,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1448048643, now seen corresponding path program 10 times [2024-05-03 05:16:01,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:16:01,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751512329] [2024-05-03 05:16:01,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:16:01,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:16:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:16:04,386 INFO L134 CoverageAnalysis]: Checked inductivity of 956 backedges. 0 proven. 575 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-05-03 05:16:04,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:16:04,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751512329] [2024-05-03 05:16:04,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751512329] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:16:04,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675589498] [2024-05-03 05:16:04,387 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-03 05:16:04,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:16:04,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:16:04,388 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 05:16:04,391 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 05:16:04,955 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-03 05:16:04,955 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:16:04,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 92 conjunts are in the unsatisfiable core [2024-05-03 05:16:04,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:16:07,744 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 05:16:07,923 INFO L134 CoverageAnalysis]: Checked inductivity of 956 backedges. 0 proven. 856 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-05-03 05:16:07,923 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:16:08,873 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-03 05:16:08,873 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 05:16:12,505 INFO L134 CoverageAnalysis]: Checked inductivity of 956 backedges. 0 proven. 856 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-05-03 05:16:12,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675589498] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:16:12,505 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:16:12,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 46, 46] total 127 [2024-05-03 05:16:12,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753696470] [2024-05-03 05:16:12,506 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:16:12,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 127 states [2024-05-03 05:16:12,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:16:12,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2024-05-03 05:16:12,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1896, Invalid=14106, Unknown=0, NotChecked=0, Total=16002 [2024-05-03 05:16:12,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:16:12,511 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:16:12,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 127 states, 127 states have (on average 7.0) internal successors, (889), 127 states have internal predecessors, (889), 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 05:16:12,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:16:12,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:16:12,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:16:12,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:16:12,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:16:12,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:16:12,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:16:12,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:16:12,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:16:12,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:16:12,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:16:12,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:16:12,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:16:12,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:16:12,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-03 05:16:12,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-03 05:16:12,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:16:12,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-03 05:16:12,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:16:12,513 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:16:21,170 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:21,170 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:16:21,170 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:21,176 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:21,176 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:21,176 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:21,197 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:21,197 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:21,197 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:21,217 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:21,218 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:21,218 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:21,435 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:21,435 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:16:21,435 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:21,445 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:21,445 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:21,445 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:21,467 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:21,468 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:21,468 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:21,493 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:21,493 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:21,493 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:21,512 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:21,512 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:21,512 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:21,534 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:21,534 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:21,534 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:21,862 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1052 states. [2024-05-03 05:16:21,862 INFO L212 cStratifiedReduction]: Copied states 17 times. [2024-05-03 05:16:21,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:16:21,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:16:21,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:16:21,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:16:21,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:16:21,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:16:21,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:16:21,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:16:21,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:16:21,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:16:21,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:16:21,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:16:21,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:16:21,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:16:21,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-03 05:16:21,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-03 05:16:21,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:16:21,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-03 05:16:21,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-05-03 05:16:21,864 INFO L78 Accepts]: Start accepts. Automaton has currently 1335 states, but on-demand construction may add more states Word has length 455 [2024-05-03 05:16:21,867 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:16:21,876 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 05:16:22,074 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 05:16:22,075 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:16:22,075 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:16:22,075 INFO L85 PathProgramCache]: Analyzing trace with hash 229543688, now seen corresponding path program 11 times [2024-05-03 05:16:22,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:16:22,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020543912] [2024-05-03 05:16:22,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:16:22,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:16:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:16:22,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1464 backedges. 213 proven. 438 refuted. 0 times theorem prover too weak. 813 trivial. 0 not checked. [2024-05-03 05:16:22,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:16:22,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020543912] [2024-05-03 05:16:22,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020543912] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:16:22,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792235806] [2024-05-03 05:16:22,627 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-03 05:16:22,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:16:22,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:16:22,628 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 05:16:22,630 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 05:16:23,225 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2024-05-03 05:16:23,225 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:16:23,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 940 conjuncts, 48 conjunts are in the unsatisfiable core [2024-05-03 05:16:23,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:16:24,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1464 backedges. 361 proven. 971 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-05-03 05:16:24,943 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:16:27,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1464 backedges. 559 proven. 779 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-05-03 05:16:27,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1792235806] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:16:27,177 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:16:27,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 47, 49] total 116 [2024-05-03 05:16:27,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399933566] [2024-05-03 05:16:27,177 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:16:27,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 116 states [2024-05-03 05:16:27,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:16:27,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2024-05-03 05:16:27,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2053, Invalid=11287, Unknown=0, NotChecked=0, Total=13340 [2024-05-03 05:16:27,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:16:27,181 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:16:27,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 116 states, 116 states have (on average 8.612068965517242) internal successors, (999), 116 states have internal predecessors, (999), 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 05:16:27,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:16:27,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:16:27,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:16:27,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:16:27,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:16:27,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:16:27,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:16:27,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:16:27,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:16:27,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:16:27,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:16:27,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:16:27,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:16:27,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:16:27,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-03 05:16:27,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-03 05:16:27,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:16:27,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-03 05:16:27,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-05-03 05:16:27,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:16:27,183 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:16:31,138 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:31,138 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:16:31,139 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:31,144 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:31,144 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:31,144 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:31,161 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:31,161 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:31,161 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:31,180 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:31,180 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:31,180 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:31,208 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:31,208 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:16:31,208 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:31,218 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:31,218 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:31,218 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:31,239 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:31,240 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:31,240 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:31,259 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:31,259 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:31,259 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:31,277 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:31,277 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:31,277 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:31,295 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:31,295 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:31,296 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:31,411 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1070 states. [2024-05-03 05:16:31,412 INFO L212 cStratifiedReduction]: Copied states 17 times. [2024-05-03 05:16:31,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:16:31,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:16:31,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:16:31,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:16:31,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:16:31,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:16:31,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:16:31,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:16:31,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:16:31,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:16:31,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:16:31,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:16:31,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:16:31,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:16:31,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-03 05:16:31,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-03 05:16:31,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:16:31,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-03 05:16:31,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-05-03 05:16:31,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-05-03 05:16:31,413 INFO L78 Accepts]: Start accepts. Automaton has currently 1353 states, but on-demand construction may add more states Word has length 471 [2024-05-03 05:16:31,417 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:16:31,424 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-05-03 05:16:31,624 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 05:16:31,624 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:16:31,624 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:16:31,625 INFO L85 PathProgramCache]: Analyzing trace with hash 122323310, now seen corresponding path program 12 times [2024-05-03 05:16:31,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:16:31,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983235733] [2024-05-03 05:16:31,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:16:31,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:16:31,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:16:33,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1618 backedges. 674 proven. 769 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-05-03 05:16:33,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:16:33,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983235733] [2024-05-03 05:16:33,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983235733] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:16:33,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219630963] [2024-05-03 05:16:33,204 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-03 05:16:33,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:16:33,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:16:33,205 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 05:16:33,208 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 05:16:40,767 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2024-05-03 05:16:40,767 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:16:40,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 928 conjuncts, 16 conjunts are in the unsatisfiable core [2024-05-03 05:16:40,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:16:41,314 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 05:16:41,364 INFO L134 CoverageAnalysis]: Checked inductivity of 1618 backedges. 0 proven. 521 refuted. 0 times theorem prover too weak. 1097 trivial. 0 not checked. [2024-05-03 05:16:41,364 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:16:41,480 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-03 05:16:41,480 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 05:16:41,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1618 backedges. 0 proven. 521 refuted. 0 times theorem prover too weak. 1097 trivial. 0 not checked. [2024-05-03 05:16:41,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [219630963] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:16:41,773 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:16:41,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 10, 10] total 57 [2024-05-03 05:16:41,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233440736] [2024-05-03 05:16:41,773 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:16:41,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-05-03 05:16:41,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:16:41,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-05-03 05:16:41,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=402, Invalid=2790, Unknown=0, NotChecked=0, Total=3192 [2024-05-03 05:16:41,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:16:41,776 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:16:41,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 11.210526315789474) internal successors, (639), 57 states have internal predecessors, (639), 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 05:16:41,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:16:41,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:16:41,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:16:41,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:16:41,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:16:41,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:16:41,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:16:41,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:16:41,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:16:41,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:16:41,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:16:41,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:16:41,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:16:41,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:16:41,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-03 05:16:41,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-03 05:16:41,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:16:41,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-03 05:16:41,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-05-03 05:16:41,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-05-03 05:16:41,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:16:41,777 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:16:43,779 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:43,779 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:16:43,779 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:16:43,785 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:43,785 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:16:43,785 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:16:43,808 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:43,809 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:43,809 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:43,833 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:43,833 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:43,833 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:43,898 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:43,898 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:16:43,898 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:16:43,908 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:43,908 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:16:43,908 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:16:43,937 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:43,938 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:43,938 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:44,096 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:44,097 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:44,097 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:44,122 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:44,123 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:44,123 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:44,153 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:44,154 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:44,154 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:44,215 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:44,215 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:44,215 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:44,395 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1195 states. [2024-05-03 05:16:44,396 INFO L212 cStratifiedReduction]: Copied states 30 times. [2024-05-03 05:16:44,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:16:44,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:16:44,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:16:44,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:16:44,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:16:44,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:16:44,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:16:44,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:16:44,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:16:44,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:16:44,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:16:44,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:16:44,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:16:44,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:16:44,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-03 05:16:44,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-03 05:16:44,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:16:44,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-03 05:16:44,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-05-03 05:16:44,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-05-03 05:16:44,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-03 05:16:44,397 INFO L78 Accepts]: Start accepts. Automaton has currently 1541 states, but on-demand construction may add more states Word has length 496 [2024-05-03 05:16:44,401 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:16:44,410 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-05-03 05:16:44,608 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 05:16:44,608 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:16:44,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:16:44,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1126455861, now seen corresponding path program 13 times [2024-05-03 05:16:44,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:16:44,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659077599] [2024-05-03 05:16:44,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:16:44,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:16:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:16:45,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1873 backedges. 303 proven. 539 refuted. 0 times theorem prover too weak. 1031 trivial. 0 not checked. [2024-05-03 05:16:45,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:16:45,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659077599] [2024-05-03 05:16:45,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659077599] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:16:45,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321099683] [2024-05-03 05:16:45,476 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-03 05:16:45,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:16:45,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:16:45,478 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 05:16:45,483 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 05:16:45,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:16:45,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 1020 conjuncts, 51 conjunts are in the unsatisfiable core [2024-05-03 05:16:45,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:16:47,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1873 backedges. 843 proven. 855 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-05-03 05:16:47,619 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:16:49,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1873 backedges. 744 proven. 954 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-05-03 05:16:49,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [321099683] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:16:49,394 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:16:49,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 51, 51] total 124 [2024-05-03 05:16:49,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813086219] [2024-05-03 05:16:49,394 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:16:49,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 124 states [2024-05-03 05:16:49,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:16:49,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2024-05-03 05:16:49,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1946, Invalid=13306, Unknown=0, NotChecked=0, Total=15252 [2024-05-03 05:16:49,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:16:49,410 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:16:49,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 124 states, 124 states have (on average 8.17741935483871) internal successors, (1014), 124 states have internal predecessors, (1014), 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 05:16:49,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:16:49,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:16:49,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:16:49,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:16:49,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:16:49,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:16:49,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:16:49,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:16:49,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:16:49,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:16:49,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:16:49,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:16:49,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:16:49,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:16:49,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-03 05:16:49,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-03 05:16:49,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:16:49,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-03 05:16:49,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-05-03 05:16:49,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-05-03 05:16:49,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-03 05:16:49,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:16:49,412 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:16:52,300 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:52,301 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:16:52,301 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:16:52,314 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:52,314 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:16:52,314 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:16:52,336 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:52,336 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:52,336 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:52,360 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:52,361 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:52,361 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:52,396 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:52,397 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:16:52,397 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:16:52,406 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:52,406 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:16:52,407 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:16:52,436 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:52,436 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:52,436 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:52,462 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:52,463 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:52,463 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:52,487 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:52,488 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:52,488 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:52,513 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:52,513 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:52,513 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:52,541 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:16:52,541 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:52,541 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:16:52,649 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1213 states. [2024-05-03 05:16:52,649 INFO L212 cStratifiedReduction]: Copied states 30 times. [2024-05-03 05:16:52,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:16:52,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:16:52,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:16:52,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:16:52,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:16:52,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:16:52,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:16:52,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:16:52,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:16:52,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:16:52,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:16:52,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:16:52,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:16:52,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:16:52,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-03 05:16:52,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-03 05:16:52,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:16:52,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-03 05:16:52,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-05-03 05:16:52,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-05-03 05:16:52,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-03 05:16:52,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-05-03 05:16:52,651 INFO L78 Accepts]: Start accepts. Automaton has currently 1559 states, but on-demand construction may add more states Word has length 512 [2024-05-03 05:16:52,655 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:16:52,662 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 05:16:52,862 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 05:16:52,862 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:16:52,863 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:16:52,863 INFO L85 PathProgramCache]: Analyzing trace with hash -376300913, now seen corresponding path program 14 times [2024-05-03 05:16:52,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:16:52,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835434378] [2024-05-03 05:16:52,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:16:52,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:16:52,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:16:57,225 INFO L134 CoverageAnalysis]: Checked inductivity of 2051 backedges. 576 proven. 1243 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-05-03 05:16:57,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:16:57,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835434378] [2024-05-03 05:16:57,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835434378] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:16:57,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573357058] [2024-05-03 05:16:57,225 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 05:16:57,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:16:57,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:16:57,226 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 05:16:57,229 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 05:16:57,502 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 05:16:57,502 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:16:57,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 1048 conjuncts, 64 conjunts are in the unsatisfiable core [2024-05-03 05:16:57,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:16:59,208 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 26 treesize of output 8 [2024-05-03 05:16:59,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2051 backedges. 42 proven. 857 refuted. 0 times theorem prover too weak. 1152 trivial. 0 not checked. [2024-05-03 05:16:59,370 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:16:59,910 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-03 05:16:59,911 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 05:17:02,722 INFO L134 CoverageAnalysis]: Checked inductivity of 2051 backedges. 4 proven. 895 refuted. 0 times theorem prover too weak. 1152 trivial. 0 not checked. [2024-05-03 05:17:02,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [573357058] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:17:02,722 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:17:02,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [70, 36, 36] total 137 [2024-05-03 05:17:02,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250947796] [2024-05-03 05:17:02,723 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:17:02,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 137 states [2024-05-03 05:17:02,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:17:02,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2024-05-03 05:17:02,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1724, Invalid=16908, Unknown=0, NotChecked=0, Total=18632 [2024-05-03 05:17:02,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:02,726 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:17:02,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 137 states, 137 states have (on average 7.489051094890511) internal successors, (1026), 137 states have internal predecessors, (1026), 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 05:17:02,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:02,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:17:02,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:17:02,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:17:02,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:17:02,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:17:02,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:17:02,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:17:02,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:17:02,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:17:02,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:17:02,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:17:02,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:17:02,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:17:02,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-03 05:17:02,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-03 05:17:02,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:17:02,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-03 05:17:02,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-05-03 05:17:02,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-05-03 05:17:02,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-03 05:17:02,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-05-03 05:17:02,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:02,728 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:17:08,319 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:08,319 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:08,320 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:17:08,325 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:08,325 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:17:08,325 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:17:08,366 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:08,366 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:17:08,366 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:17:08,391 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:08,391 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:17:08,391 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:17:08,902 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1088 states. [2024-05-03 05:17:08,902 INFO L212 cStratifiedReduction]: Copied states 7 times. [2024-05-03 05:17:08,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:08,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:17:08,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:17:08,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:17:08,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:17:08,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:17:08,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:17:08,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:17:08,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:17:08,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:17:08,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:17:08,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:17:08,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:17:08,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:17:08,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-03 05:17:08,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-03 05:17:08,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:17:08,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-03 05:17:08,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-05-03 05:17:08,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-05-03 05:17:08,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-03 05:17:08,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-05-03 05:17:08,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2024-05-03 05:17:08,904 INFO L78 Accepts]: Start accepts. Automaton has currently 1288 states, but on-demand construction may add more states Word has length 540 [2024-05-03 05:17:08,909 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:17:08,916 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 05:17:09,111 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 05:17:09,112 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:17:09,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:17:09,112 INFO L85 PathProgramCache]: Analyzing trace with hash 992557705, now seen corresponding path program 15 times [2024-05-03 05:17:09,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:17:09,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072881407] [2024-05-03 05:17:09,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:17:09,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:17:09,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:17:14,078 INFO L134 CoverageAnalysis]: Checked inductivity of 2384 backedges. 691 proven. 1396 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-05-03 05:17:14,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:17:14,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072881407] [2024-05-03 05:17:14,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072881407] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:17:14,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579204732] [2024-05-03 05:17:14,084 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 05:17:14,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:17:14,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:17:14,085 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 05:17:14,085 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 05:17:16,960 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2024-05-03 05:17:16,961 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:17:16,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 883 conjuncts, 71 conjunts are in the unsatisfiable core [2024-05-03 05:17:16,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:17:19,187 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 05:17:19,188 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 64 treesize of output 60 [2024-05-03 05:17:19,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2384 backedges. 480 proven. 431 refuted. 0 times theorem prover too weak. 1473 trivial. 0 not checked. [2024-05-03 05:17:19,503 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:17:21,153 INFO L349 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2024-05-03 05:17:21,154 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 35 [2024-05-03 05:17:22,349 INFO L134 CoverageAnalysis]: Checked inductivity of 2384 backedges. 3 proven. 908 refuted. 0 times theorem prover too weak. 1473 trivial. 0 not checked. [2024-05-03 05:17:22,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1579204732] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:17:22,350 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:17:22,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [72, 38, 38] total 142 [2024-05-03 05:17:22,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900503533] [2024-05-03 05:17:22,350 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:17:22,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 142 states [2024-05-03 05:17:22,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:17:22,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2024-05-03 05:17:22,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1475, Invalid=18547, Unknown=0, NotChecked=0, Total=20022 [2024-05-03 05:17:22,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:22,354 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:17:22,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 142 states, 142 states have (on average 6.605633802816901) internal successors, (938), 142 states have internal predecessors, (938), 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 05:17:22,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:22,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:17:22,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:17:22,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:17:22,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:17:22,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:17:22,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:17:22,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:17:22,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:17:22,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:17:22,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:17:22,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:17:22,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:17:22,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:17:22,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-03 05:17:22,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-03 05:17:22,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:17:22,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-03 05:17:22,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-05-03 05:17:22,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-05-03 05:17:22,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-03 05:17:22,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-05-03 05:17:22,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2024-05-03 05:17:22,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:22,356 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:17:30,523 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:30,523 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:30,523 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:17:30,529 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:30,529 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:17:30,529 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:17:30,552 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:30,552 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:17:30,552 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:17:30,576 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:30,577 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:17:30,577 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:17:30,971 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1106 states. [2024-05-03 05:17:30,971 INFO L212 cStratifiedReduction]: Copied states 7 times. [2024-05-03 05:17:30,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:30,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:17:30,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:17:30,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:17:30,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:17:30,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:17:30,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:17:30,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:17:30,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:17:30,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:17:30,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:17:30,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:17:30,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:17:30,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:17:30,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-03 05:17:30,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-03 05:17:30,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:17:30,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-03 05:17:30,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-05-03 05:17:30,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-05-03 05:17:30,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-03 05:17:30,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-05-03 05:17:30,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2024-05-03 05:17:30,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2024-05-03 05:17:30,973 INFO L78 Accepts]: Start accepts. Automaton has currently 1306 states, but on-demand construction may add more states Word has length 556 [2024-05-03 05:17:30,978 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:17:30,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-05-03 05:17:31,186 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 05:17:31,187 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:17:31,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:17:31,187 INFO L85 PathProgramCache]: Analyzing trace with hash 383624163, now seen corresponding path program 16 times [2024-05-03 05:17:31,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:17:31,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117091516] [2024-05-03 05:17:31,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:17:31,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:17:31,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:17:37,768 INFO L134 CoverageAnalysis]: Checked inductivity of 2594 backedges. 22 proven. 2202 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-05-03 05:17:37,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:17:37,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117091516] [2024-05-03 05:17:37,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117091516] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:17:37,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249656315] [2024-05-03 05:17:37,769 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-03 05:17:37,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:17:37,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:17:37,770 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 05:17:37,772 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 05:17:38,052 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-03 05:17:38,052 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:17:38,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 1011 conjuncts, 41 conjunts are in the unsatisfiable core [2024-05-03 05:17:38,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:17:39,217 INFO L134 CoverageAnalysis]: Checked inductivity of 2594 backedges. 9 proven. 966 refuted. 0 times theorem prover too weak. 1619 trivial. 0 not checked. [2024-05-03 05:17:39,218 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:17:39,717 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-03 05:17:39,717 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 05:17:40,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2594 backedges. 9 proven. 966 refuted. 0 times theorem prover too weak. 1619 trivial. 0 not checked. [2024-05-03 05:17:40,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1249656315] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:17:40,056 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:17:40,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [74, 18, 18] total 96 [2024-05-03 05:17:40,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661074491] [2024-05-03 05:17:40,056 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:17:40,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-05-03 05:17:40,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:17:40,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-05-03 05:17:40,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=566, Invalid=8554, Unknown=0, NotChecked=0, Total=9120 [2024-05-03 05:17:40,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:40,060 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:17:40,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 9.03125) internal successors, (867), 96 states have internal predecessors, (867), 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 05:17:40,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:40,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:17:40,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:17:40,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:17:40,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:17:40,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:17:40,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:17:40,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:17:40,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:17:40,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:17:40,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:17:40,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:17:40,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:17:40,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:17:40,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-03 05:17:40,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-03 05:17:40,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:17:40,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-03 05:17:40,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-05-03 05:17:40,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-05-03 05:17:40,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-03 05:17:40,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-05-03 05:17:40,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2024-05-03 05:17:40,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2024-05-03 05:17:40,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:40,061 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:17:45,241 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:45,242 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:45,242 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:17:45,248 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:45,248 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:17:45,248 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:17:45,271 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:45,271 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:17:45,272 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:17:45,297 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:45,297 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:17:45,297 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:17:45,513 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:45,514 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:45,514 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:17:45,524 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:45,524 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:17:45,524 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:17:45,553 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:45,553 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:17:45,553 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:17:45,586 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:45,586 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:17:45,586 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:17:45,611 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:45,611 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:17:45,611 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:17:45,640 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:45,640 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:17:45,640 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:17:45,668 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:45,668 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:17:45,668 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:17:45,899 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1421 states. [2024-05-03 05:17:45,899 INFO L212 cStratifiedReduction]: Copied states 30 times. [2024-05-03 05:17:45,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:45,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:17:45,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:17:45,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:17:45,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:17:45,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:17:45,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:17:45,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:17:45,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:17:45,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:17:45,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:17:45,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:17:45,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:17:45,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:17:45,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-03 05:17:45,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-03 05:17:45,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:17:45,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-03 05:17:45,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-05-03 05:17:45,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-05-03 05:17:45,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-03 05:17:45,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-05-03 05:17:45,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-05-03 05:17:45,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-05-03 05:17:45,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-05-03 05:17:45,900 INFO L78 Accepts]: Start accepts. Automaton has currently 1783 states, but on-demand construction may add more states Word has length 612 [2024-05-03 05:17:45,906 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:17:45,913 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-05-03 05:17:46,113 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 05:17:46,114 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:17:46,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:17:46,115 INFO L85 PathProgramCache]: Analyzing trace with hash 746688112, now seen corresponding path program 17 times [2024-05-03 05:17:46,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:17:46,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566730733] [2024-05-03 05:17:46,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:17:46,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:17:46,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:17:47,431 INFO L134 CoverageAnalysis]: Checked inductivity of 3464 backedges. 603 proven. 1130 refuted. 0 times theorem prover too weak. 1731 trivial. 0 not checked. [2024-05-03 05:17:47,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:17:47,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566730733] [2024-05-03 05:17:47,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566730733] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:17:47,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817353873] [2024-05-03 05:17:47,431 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-03 05:17:47,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:17:47,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:17:47,432 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 05:17:47,435 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 05:17:59,121 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) [2024-05-03 05:17:59,121 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:17:59,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 1250 conjuncts, 66 conjunts are in the unsatisfiable core [2024-05-03 05:17:59,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:18:01,892 INFO L134 CoverageAnalysis]: Checked inductivity of 3464 backedges. 1048 proven. 2046 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-05-03 05:18:01,892 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:18:06,027 INFO L134 CoverageAnalysis]: Checked inductivity of 3464 backedges. 1575 proven. 1519 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-05-03 05:18:06,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817353873] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:18:06,027 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:18:06,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 67, 67] total 166 [2024-05-03 05:18:06,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509455157] [2024-05-03 05:18:06,027 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:18:06,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 166 states [2024-05-03 05:18:06,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:18:06,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 166 interpolants. [2024-05-03 05:18:06,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4336, Invalid=23054, Unknown=0, NotChecked=0, Total=27390 [2024-05-03 05:18:06,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:18:06,032 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:18:06,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 166 states, 166 states have (on average 8.096385542168674) internal successors, (1344), 166 states have internal predecessors, (1344), 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 05:18:06,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:18:06,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:18:06,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:18:06,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:18:06,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:18:06,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:18:06,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:18:06,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:18:06,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:18:06,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:18:06,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:18:06,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:18:06,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:18:06,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:18:06,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-03 05:18:06,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-03 05:18:06,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:18:06,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-03 05:18:06,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-05-03 05:18:06,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-05-03 05:18:06,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-03 05:18:06,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-05-03 05:18:06,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-05-03 05:18:06,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-05-03 05:18:06,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2024-05-03 05:18:06,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:18:06,033 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:18:13,009 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:13,010 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:18:13,010 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:18:13,017 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:13,017 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:18:13,017 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:18:13,039 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:13,039 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:18:13,039 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:18:13,064 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:13,064 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:18:13,064 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:18:13,099 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:13,100 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:18:13,100 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:18:13,109 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:13,110 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:18:13,110 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:18:13,138 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:13,138 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:18:13,138 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:18:13,162 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:13,163 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:18:13,163 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:18:13,185 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:13,186 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:18:13,186 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:18:13,209 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:13,209 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:18:13,209 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:18:13,237 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:13,237 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:18:13,238 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:18:13,370 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1450 states. [2024-05-03 05:18:13,371 INFO L212 cStratifiedReduction]: Copied states 30 times. [2024-05-03 05:18:13,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:18:13,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:18:13,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:18:13,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:18:13,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:18:13,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:18:13,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:18:13,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:18:13,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:18:13,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:18:13,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:18:13,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:18:13,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:18:13,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:18:13,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-03 05:18:13,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-03 05:18:13,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:18:13,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-03 05:18:13,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-05-03 05:18:13,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-05-03 05:18:13,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-03 05:18:13,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-05-03 05:18:13,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-05-03 05:18:13,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-05-03 05:18:13,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-05-03 05:18:13,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2024-05-03 05:18:13,372 INFO L78 Accepts]: Start accepts. Automaton has currently 1812 states, but on-demand construction may add more states Word has length 644 [2024-05-03 05:18:13,378 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:18:13,392 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 05:18:13,589 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 05:18:13,590 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:18:13,590 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:18:13,590 INFO L85 PathProgramCache]: Analyzing trace with hash 655636032, now seen corresponding path program 18 times [2024-05-03 05:18:13,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:18:13,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679067790] [2024-05-03 05:18:13,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:18:13,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:18:13,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:18:15,188 INFO L134 CoverageAnalysis]: Checked inductivity of 4028 backedges. 723 proven. 1155 refuted. 0 times theorem prover too weak. 2150 trivial. 0 not checked. [2024-05-03 05:18:15,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:18:15,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679067790] [2024-05-03 05:18:15,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679067790] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:18:15,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392725899] [2024-05-03 05:18:15,188 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-03 05:18:15,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:18:15,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:18:15,189 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 05:18:15,191 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 05:21:12,838 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 23 check-sat command(s) [2024-05-03 05:21:12,838 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:21:12,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 1306 conjuncts, 40 conjunts are in the unsatisfiable core [2024-05-03 05:21:12,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:21:14,977 INFO L134 CoverageAnalysis]: Checked inductivity of 4028 backedges. 826 proven. 1052 refuted. 0 times theorem prover too weak. 2150 trivial. 0 not checked. [2024-05-03 05:21:14,977 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:21:18,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4028 backedges. 1125 proven. 753 refuted. 0 times theorem prover too weak. 2150 trivial. 0 not checked. [2024-05-03 05:21:18,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [392725899] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:21:18,556 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:21:18,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 41, 41] total 117 [2024-05-03 05:21:18,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512409105] [2024-05-03 05:21:18,556 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:21:18,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 117 states [2024-05-03 05:21:18,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:21:18,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2024-05-03 05:21:18,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2322, Invalid=11250, Unknown=0, NotChecked=0, Total=13572 [2024-05-03 05:21:18,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:21:18,560 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:21:18,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 117 states, 117 states have (on average 9.564102564102564) internal successors, (1119), 117 states have internal predecessors, (1119), 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 05:21:18,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:21:18,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:21:18,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:21:18,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:21:18,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:21:18,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:21:18,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:21:18,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:21:18,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:21:18,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:21:18,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:21:18,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:21:18,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:21:18,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:21:18,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-03 05:21:18,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-03 05:21:18,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:21:18,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-03 05:21:18,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-05-03 05:21:18,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-05-03 05:21:18,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-03 05:21:18,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-05-03 05:21:18,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-05-03 05:21:18,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-05-03 05:21:18,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2024-05-03 05:21:18,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2024-05-03 05:21:18,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:21:18,563 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:21:20,461 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:20,462 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:21:20,462 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:21:20,467 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:20,467 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:21:20,467 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:21:20,489 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:20,489 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:21:20,489 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:21:20,512 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:20,513 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:21:20,513 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:21:20,642 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:20,643 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:21:20,643 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:21:20,653 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:20,653 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:21:20,653 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:21:20,681 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:20,681 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:21:20,681 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:21:20,706 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:20,706 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:21:20,706 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:21:20,729 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:20,730 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:21:20,730 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:21:20,752 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:20,753 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:21:20,753 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:21:20,779 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:20,779 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:21:20,779 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:21:20,900 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1459 states. [2024-05-03 05:21:20,900 INFO L212 cStratifiedReduction]: Copied states 30 times. [2024-05-03 05:21:20,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:21:20,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:21:20,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:21:20,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:21:20,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:21:20,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:21:20,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:21:20,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:21:20,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:21:20,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:21:20,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:21:20,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:21:20,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:21:20,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:21:20,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-03 05:21:20,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-03 05:21:20,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:21:20,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-03 05:21:20,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-05-03 05:21:20,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-05-03 05:21:20,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-03 05:21:20,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-05-03 05:21:20,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-05-03 05:21:20,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-05-03 05:21:20,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-05-03 05:21:20,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2024-05-03 05:21:20,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-03 05:21:20,902 INFO L78 Accepts]: Start accepts. Automaton has currently 1821 states, but on-demand construction may add more states Word has length 652 [2024-05-03 05:21:20,909 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:21:20,935 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 05:21:21,122 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 05:21:21,123 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:21:21,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:21:21,123 INFO L85 PathProgramCache]: Analyzing trace with hash 369790175, now seen corresponding path program 19 times [2024-05-03 05:21:21,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:21:21,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792967124] [2024-05-03 05:21:21,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:21:21,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:21:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:21:26,019 INFO L134 CoverageAnalysis]: Checked inductivity of 4117 backedges. 434 proven. 2125 refuted. 0 times theorem prover too weak. 1558 trivial. 0 not checked. [2024-05-03 05:21:26,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:21:26,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792967124] [2024-05-03 05:21:26,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792967124] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:21:26,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431302978] [2024-05-03 05:21:26,020 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-03 05:21:26,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:21:26,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:21:26,021 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 05:21:26,029 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 05:21:26,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:21:26,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 1320 conjuncts, 147 conjunts are in the unsatisfiable core [2024-05-03 05:21:26,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:21:32,035 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 05:21:32,220 INFO L134 CoverageAnalysis]: Checked inductivity of 4117 backedges. 15 proven. 3562 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2024-05-03 05:21:32,220 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:21:33,945 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-03 05:21:33,945 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 05:21:41,841 INFO L134 CoverageAnalysis]: Checked inductivity of 4117 backedges. 15 proven. 3562 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2024-05-03 05:21:41,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1431302978] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:21:41,842 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:21:41,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 85, 85] total 228 [2024-05-03 05:21:41,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121434061] [2024-05-03 05:21:41,842 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:21:41,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 228 states [2024-05-03 05:21:41,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:21:41,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 228 interpolants. [2024-05-03 05:21:41,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6450, Invalid=45306, Unknown=0, NotChecked=0, Total=51756 [2024-05-03 05:21:41,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:21:41,848 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:21:41,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 228 states, 228 states have (on average 6.434210526315789) internal successors, (1467), 228 states have internal predecessors, (1467), 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 05:21:41,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:21:41,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:21:41,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:21:41,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:21:41,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:21:41,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:21:41,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:21:41,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:21:41,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:21:41,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:21:41,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:21:41,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:21:41,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:21:41,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:21:41,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-03 05:21:41,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-03 05:21:41,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:21:41,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-03 05:21:41,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-05-03 05:21:41,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-05-03 05:21:41,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-03 05:21:41,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-05-03 05:21:41,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-05-03 05:21:41,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-05-03 05:21:41,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2024-05-03 05:21:41,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2024-05-03 05:21:41,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-05-03 05:21:41,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:21:41,859 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:21:56,599 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:56,600 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:21:56,600 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:21:56,605 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:56,605 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:21:56,605 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:21:56,627 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:56,627 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:21:56,627 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:21:56,759 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:56,760 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:21:56,760 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:21:56,974 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:56,974 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:21:56,974 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:21:56,985 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:56,985 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:21:56,985 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:21:57,017 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:57,017 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:21:57,017 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:21:57,048 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:57,048 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:21:57,048 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:21:57,092 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:57,092 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:21:57,092 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:21:57,120 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:57,120 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:21:57,120 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:21:57,149 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:57,149 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:21:57,149 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:21:57,390 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1503 states. [2024-05-03 05:21:57,391 INFO L212 cStratifiedReduction]: Copied states 30 times. [2024-05-03 05:21:57,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:21:57,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:21:57,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:21:57,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:21:57,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:21:57,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:21:57,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:21:57,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:21:57,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:21:57,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:21:57,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:21:57,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:21:57,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:21:57,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:21:57,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-03 05:21:57,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-03 05:21:57,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:21:57,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-03 05:21:57,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-05-03 05:21:57,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-05-03 05:21:57,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-03 05:21:57,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-05-03 05:21:57,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-05-03 05:21:57,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-05-03 05:21:57,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-05-03 05:21:57,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2024-05-03 05:21:57,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-03 05:21:57,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-05-03 05:21:57,392 INFO L78 Accepts]: Start accepts. Automaton has currently 1865 states, but on-demand construction may add more states Word has length 674 [2024-05-03 05:21:57,399 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:21:57,408 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 05:21:57,604 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 05:21:57,604 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:21:57,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:21:57,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1086667246, now seen corresponding path program 20 times [2024-05-03 05:21:57,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:21:57,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453288812] [2024-05-03 05:21:57,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:21:57,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:21:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:22:06,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4518 backedges. 1429 proven. 2452 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2024-05-03 05:22:06,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:22:06,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453288812] [2024-05-03 05:22:06,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453288812] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:22:06,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638755616] [2024-05-03 05:22:06,851 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 05:22:06,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:22:06,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:22:06,854 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 05:22:06,856 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 05:22:07,296 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 05:22:07,296 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:22:07,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 1360 conjuncts, 153 conjunts are in the unsatisfiable core [2024-05-03 05:22:07,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:22:13,900 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 05:22:14,108 INFO L134 CoverageAnalysis]: Checked inductivity of 4518 backedges. 15 proven. 3866 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2024-05-03 05:22:14,109 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:22:16,154 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-03 05:22:16,154 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 05:22:24,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4518 backedges. 15 proven. 3866 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2024-05-03 05:22:24,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638755616] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:22:24,013 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:22:24,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [94, 88, 88] total 264 [2024-05-03 05:22:24,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460281278] [2024-05-03 05:22:24,013 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:22:24,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 264 states [2024-05-03 05:22:24,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:22:24,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 264 interpolants. [2024-05-03 05:22:24,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10222, Invalid=59210, Unknown=0, NotChecked=0, Total=69432 [2024-05-03 05:22:24,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:22:24,021 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:22:24,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 264 states, 264 states have (on average 6.0227272727272725) internal successors, (1590), 264 states have internal predecessors, (1590), 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 05:22:24,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:22:24,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:22:24,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:22:24,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:22:24,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:22:24,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:22:24,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:22:24,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:22:24,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:22:24,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:22:24,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:22:24,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:22:24,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:22:24,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:22:24,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-03 05:22:24,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-03 05:22:24,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:22:24,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-03 05:22:24,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-05-03 05:22:24,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-05-03 05:22:24,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-03 05:22:24,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-05-03 05:22:24,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-05-03 05:22:24,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-05-03 05:22:24,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2024-05-03 05:22:24,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2024-05-03 05:22:24,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-05-03 05:22:24,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2024-05-03 05:22:24,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:22:24,023 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:22:38,362 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:22:38,363 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:22:38,363 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:22:38,368 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:22:38,368 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:22:38,368 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:22:38,392 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:22:38,393 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:22:38,393 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:22:38,416 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:22:38,417 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:22:38,417 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:22:38,482 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:22:38,482 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:22:38,482 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:22:38,492 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:22:38,492 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:22:38,492 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:22:38,521 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:22:38,521 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:22:38,521 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:22:38,546 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:22:38,546 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:22:38,546 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:22:38,571 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:22:38,571 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:22:38,571 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:22:38,596 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:22:38,596 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:22:38,596 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:22:38,625 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:22:38,625 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:22:38,625 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:22:38,863 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1531 states. [2024-05-03 05:22:38,864 INFO L212 cStratifiedReduction]: Copied states 30 times. [2024-05-03 05:22:38,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:22:38,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:22:38,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:22:38,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:22:38,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:22:38,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:22:38,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:22:38,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:22:38,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:22:38,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:22:38,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:22:38,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:22:38,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:22:38,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:22:38,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-03 05:22:38,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-03 05:22:38,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:22:38,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-03 05:22:38,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-05-03 05:22:38,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-05-03 05:22:38,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-03 05:22:38,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-05-03 05:22:38,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-05-03 05:22:38,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-05-03 05:22:38,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-05-03 05:22:38,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2024-05-03 05:22:38,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-03 05:22:38,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-05-03 05:22:38,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-05-03 05:22:38,865 INFO L78 Accepts]: Start accepts. Automaton has currently 1893 states, but on-demand construction may add more states Word has length 688 [2024-05-03 05:22:38,872 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:22:38,881 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 05:22:39,082 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 05:22:39,083 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:22:39,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:22:39,083 INFO L85 PathProgramCache]: Analyzing trace with hash -743602842, now seen corresponding path program 21 times [2024-05-03 05:22:39,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:22:39,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817986194] [2024-05-03 05:22:39,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:22:39,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:22:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:22:48,370 INFO L134 CoverageAnalysis]: Checked inductivity of 4836 backedges. 1548 proven. 2651 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2024-05-03 05:22:48,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:22:48,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817986194] [2024-05-03 05:22:48,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817986194] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:22:48,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906895031] [2024-05-03 05:22:48,371 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 05:22:48,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:22:48,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:22:48,372 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:22:48,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-05-03 05:22:54,271 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2024-05-03 05:22:54,272 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:22:54,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 1088 conjuncts, 105 conjunts are in the unsatisfiable core [2024-05-03 05:22:54,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:22:58,611 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 05:22:58,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 116 treesize of output 116 [2024-05-03 05:22:58,687 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-03 05:22:58,696 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-03 05:22:58,723 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-03 05:22:59,151 INFO L134 CoverageAnalysis]: Checked inductivity of 4836 backedges. 1251 proven. 781 refuted. 0 times theorem prover too weak. 2804 trivial. 0 not checked. [2024-05-03 05:22:59,151 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:23:03,425 INFO L349 Elim1Store]: treesize reduction 40, result has 49.4 percent of original size [2024-05-03 05:23:03,425 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 108 treesize of output 67 [2024-05-03 05:23:03,427 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-03 05:23:05,923 INFO L134 CoverageAnalysis]: Checked inductivity of 4836 backedges. 136 proven. 1896 refuted. 0 times theorem prover too weak. 2804 trivial. 0 not checked. [2024-05-03 05:23:05,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1906895031] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:23:05,923 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:23:05,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [97, 54, 54] total 199 [2024-05-03 05:23:05,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40362502] [2024-05-03 05:23:05,923 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:23:05,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 199 states [2024-05-03 05:23:05,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:23:05,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 199 interpolants. [2024-05-03 05:23:05,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2863, Invalid=36539, Unknown=0, NotChecked=0, Total=39402 [2024-05-03 05:23:05,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:23:05,929 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:23:05,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 199 states, 199 states have (on average 6.100502512562814) internal successors, (1214), 199 states have internal predecessors, (1214), 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 05:23:05,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:23:05,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:23:05,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:23:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:23:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:23:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:23:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:23:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:23:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:23:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:23:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:23:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:23:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:23:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:23:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-03 05:23:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-03 05:23:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:23:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-03 05:23:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-05-03 05:23:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-05-03 05:23:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-03 05:23:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-05-03 05:23:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-05-03 05:23:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-05-03 05:23:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2024-05-03 05:23:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2024-05-03 05:23:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-05-03 05:23:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2024-05-03 05:23:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-05-03 05:23:05,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:23:05,931 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:23:21,504 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:21,504 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:21,504 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:23:21,509 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:21,509 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:23:21,509 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:23:21,531 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:21,531 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:23:21,531 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:23:21,556 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:21,556 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:23:21,556 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:23:21,721 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:21,722 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:21,722 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:23:21,731 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:21,731 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:23:21,732 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_~size#1, ULTIMATE.start_create_fresh_int_array_#in~size#1, ~n1~0, ~q2_front~0, ~q1_back~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1] [2024-05-03 05:23:21,852 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:21,853 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:23:21,853 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:23:21,985 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:21,985 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:23:21,985 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:23:22,009 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:22,009 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:23:22,009 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:23:22,038 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:22,038 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:23:22,038 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:23:22,139 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:22,140 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:23:22,140 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:23:22,399 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1549 states. [2024-05-03 05:23:22,399 INFO L212 cStratifiedReduction]: Copied states 30 times. [2024-05-03 05:23:22,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:23:22,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:23:22,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:23:22,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:23:22,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:23:22,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:23:22,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:23:22,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:23:22,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:23:22,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:23:22,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:23:22,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:23:22,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:23:22,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:23:22,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-03 05:23:22,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-03 05:23:22,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:23:22,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-03 05:23:22,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-05-03 05:23:22,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-05-03 05:23:22,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-03 05:23:22,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-05-03 05:23:22,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-05-03 05:23:22,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-05-03 05:23:22,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-05-03 05:23:22,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2024-05-03 05:23:22,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-03 05:23:22,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-05-03 05:23:22,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-05-03 05:23:22,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2024-05-03 05:23:22,401 INFO L78 Accepts]: Start accepts. Automaton has currently 1911 states, but on-demand construction may add more states Word has length 704 [2024-05-03 05:23:22,409 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:23:22,419 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-05-03 05:23:22,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,28 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:23:22,620 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:23:22,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:23:22,620 INFO L85 PathProgramCache]: Analyzing trace with hash -2146821696, now seen corresponding path program 22 times [2024-05-03 05:23:22,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:23:22,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61385629] [2024-05-03 05:23:22,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:23:22,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:23:22,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:23:44,237 INFO L134 CoverageAnalysis]: Checked inductivity of 5134 backedges. 26 proven. 4432 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2024-05-03 05:23:44,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:23:44,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61385629] [2024-05-03 05:23:44,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61385629] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:23:44,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769232341] [2024-05-03 05:23:44,237 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-03 05:23:44,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:23:44,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:23:44,245 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:23:44,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-05-03 05:23:51,153 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-03 05:23:51,153 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:23:51,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 1272 conjuncts, 26 conjunts are in the unsatisfiable core [2024-05-03 05:23:51,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:23:52,453 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 05:23:52,546 INFO L134 CoverageAnalysis]: Checked inductivity of 5134 backedges. 0 proven. 1521 refuted. 0 times theorem prover too weak. 3613 trivial. 0 not checked. [2024-05-03 05:23:52,546 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:23:52,734 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-05-03 05:23:52,734 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 05:23:53,051 INFO L134 CoverageAnalysis]: Checked inductivity of 5134 backedges. 9 proven. 1486 refuted. 0 times theorem prover too weak. 3639 trivial. 0 not checked. [2024-05-03 05:23:53,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [769232341] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:23:53,051 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:23:53,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [112, 13, 12] total 124 [2024-05-03 05:23:53,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898081865] [2024-05-03 05:23:53,052 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:23:53,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 124 states [2024-05-03 05:23:53,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:23:53,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2024-05-03 05:23:53,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=451, Invalid=14801, Unknown=0, NotChecked=0, Total=15252 [2024-05-03 05:23:53,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:23:53,055 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:23:53,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 124 states, 124 states have (on average 7.241935483870968) internal successors, (898), 124 states have internal predecessors, (898), 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 05:23:53,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:23:53,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:23:53,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:23:53,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:23:53,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:23:53,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:23:53,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:23:53,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:23:53,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:23:53,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:23:53,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:23:53,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:23:53,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:23:53,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:23:53,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-03 05:23:53,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-03 05:23:53,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:23:53,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-03 05:23:53,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-05-03 05:23:53,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-05-03 05:23:53,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-03 05:23:53,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-05-03 05:23:53,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-05-03 05:23:53,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-05-03 05:23:53,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2024-05-03 05:23:53,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2024-05-03 05:23:53,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-05-03 05:23:53,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2024-05-03 05:23:53,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-05-03 05:23:53,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 202 states. [2024-05-03 05:23:53,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:23:53,057 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:24:12,332 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:12,333 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:12,333 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~arr~0#1.base, ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.base, 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, ULTIMATE.start_create_fresh_int_array_#t~nondet31#1, ULTIMATE.start_main_#t~ret18#1.base, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~q1_front~0, ~N~0, ~t~0, ~x~0, ~y~0, ~z~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.base, #valid, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ULTIMATE.start_main_~#t1~0#1.base, ~q2~0.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_~#t3~0#1.base, #StackHeapBarrier, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:12,338 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:12,338 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~arr~0#1.base, ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.base, 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, ULTIMATE.start_create_fresh_int_array_#t~nondet31#1, ULTIMATE.start_main_#t~ret18#1.base, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~q1_front~0, ~N~0, ~t~0, ~x~0, ~y~0, ~z~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.base, #valid, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ULTIMATE.start_main_~#t1~0#1.base, ~q2~0.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_~#t3~0#1.base, #StackHeapBarrier, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:12,338 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~arr~0#1.base, ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.base, 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, ULTIMATE.start_create_fresh_int_array_#t~nondet31#1, ULTIMATE.start_main_#t~ret18#1.base, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~q1_front~0, ~N~0, ~t~0, ~x~0, ~y~0, ~z~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.base, #valid, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ULTIMATE.start_main_~#t1~0#1.base, ~q2~0.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_~#t3~0#1.base, #StackHeapBarrier, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:12,366 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:12,366 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~arr~0#1.base, ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.base, 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, ULTIMATE.start_create_fresh_int_array_#t~nondet31#1, ULTIMATE.start_main_#t~ret18#1.base, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~q1_front~0, ~N~0, ~t~0, ~x~0, ~y~0, ~z~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.base, #valid, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ULTIMATE.start_main_~#t1~0#1.base, ~q2~0.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_~#t3~0#1.base, #StackHeapBarrier, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:12,366 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~arr~0#1.base, ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.base, 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, ULTIMATE.start_create_fresh_int_array_#t~nondet31#1, ULTIMATE.start_main_#t~ret18#1.base, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~q1_front~0, ~N~0, ~t~0, ~x~0, ~y~0, ~z~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.base, #valid, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ULTIMATE.start_main_~#t1~0#1.base, ~q2~0.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_~#t3~0#1.base, #StackHeapBarrier, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:12,395 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:12,396 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~arr~0#1.base, ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.base, 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, ULTIMATE.start_create_fresh_int_array_#t~nondet31#1, ULTIMATE.start_main_#t~ret18#1.base, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~q1_front~0, ~N~0, ~t~0, ~x~0, ~y~0, ~z~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.base, #valid, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ULTIMATE.start_main_~#t1~0#1.base, ~q2~0.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_~#t3~0#1.base, #StackHeapBarrier, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:12,396 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~arr~0#1.base, ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.base, 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, ULTIMATE.start_create_fresh_int_array_#t~nondet31#1, ULTIMATE.start_main_#t~ret18#1.base, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~q1_front~0, ~N~0, ~t~0, ~x~0, ~y~0, ~z~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.base, #valid, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ULTIMATE.start_main_~#t1~0#1.base, ~q2~0.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_~#t3~0#1.base, #StackHeapBarrier, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:13,451 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:13,451 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:24:13,451 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~arr~0#1.base, ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.base, 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, ULTIMATE.start_create_fresh_int_array_#t~nondet31#1, ULTIMATE.start_main_#t~ret18#1.base, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~q1_front~0, ~N~0, ~t~0, ~x~0, ~y~0, ~z~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.base, #valid, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ULTIMATE.start_main_~#t1~0#1.base, ~q2~0.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_~#t3~0#1.base, #StackHeapBarrier, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:13,461 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:13,461 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~arr~0#1.base, ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.base, 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, ULTIMATE.start_create_fresh_int_array_#t~nondet31#1, ULTIMATE.start_main_#t~ret18#1.base, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~q1_front~0, ~N~0, ~t~0, ~x~0, ~y~0, ~z~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.base, #valid, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ULTIMATE.start_main_~#t1~0#1.base, ~q2~0.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_~#t3~0#1.base, #StackHeapBarrier, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:13,462 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~arr~0#1.base, ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.base, 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, ULTIMATE.start_create_fresh_int_array_#t~nondet31#1, ULTIMATE.start_main_#t~ret18#1.base, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~q1_front~0, ~N~0, ~t~0, ~x~0, ~y~0, ~z~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.base, #valid, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ULTIMATE.start_main_~#t1~0#1.base, ~q2~0.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_~#t3~0#1.base, #StackHeapBarrier, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:13,499 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:13,500 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~arr~0#1.base, ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.base, 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, ULTIMATE.start_create_fresh_int_array_#t~nondet31#1, ULTIMATE.start_main_#t~ret18#1.base, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~q1_front~0, ~N~0, ~t~0, ~x~0, ~y~0, ~z~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.base, #valid, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ULTIMATE.start_main_~#t1~0#1.base, ~q2~0.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_~#t3~0#1.base, #StackHeapBarrier, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:13,500 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~arr~0#1.base, ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.base, 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, ULTIMATE.start_create_fresh_int_array_#t~nondet31#1, ULTIMATE.start_main_#t~ret18#1.base, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~q1_front~0, ~N~0, ~t~0, ~x~0, ~y~0, ~z~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.base, #valid, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ULTIMATE.start_main_~#t1~0#1.base, ~q2~0.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_~#t3~0#1.base, #StackHeapBarrier, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:13,952 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:13,952 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~arr~0#1.base, ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.base, 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, ULTIMATE.start_create_fresh_int_array_#t~nondet31#1, ULTIMATE.start_main_#t~ret18#1.base, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~q1_front~0, ~N~0, ~t~0, ~x~0, ~y~0, ~z~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.base, #valid, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ULTIMATE.start_main_~#t1~0#1.base, ~q2~0.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_~#t3~0#1.base, #StackHeapBarrier, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:13,952 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~arr~0#1.base, ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.base, 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, ULTIMATE.start_create_fresh_int_array_#t~nondet31#1, ULTIMATE.start_main_#t~ret18#1.base, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~q1_front~0, ~N~0, ~t~0, ~x~0, ~y~0, ~z~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.base, #valid, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ULTIMATE.start_main_~#t1~0#1.base, ~q2~0.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_~#t3~0#1.base, #StackHeapBarrier, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:13,991 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:13,991 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~arr~0#1.base, ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.base, 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, ULTIMATE.start_create_fresh_int_array_#t~nondet31#1, ULTIMATE.start_main_#t~ret18#1.base, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~q1_front~0, ~N~0, ~t~0, ~x~0, ~y~0, ~z~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.base, #valid, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ULTIMATE.start_main_~#t1~0#1.base, ~q2~0.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_~#t3~0#1.base, #StackHeapBarrier, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:13,991 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~arr~0#1.base, ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.base, 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, ULTIMATE.start_create_fresh_int_array_#t~nondet31#1, ULTIMATE.start_main_#t~ret18#1.base, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~q1_front~0, ~N~0, ~t~0, ~x~0, ~y~0, ~z~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.base, #valid, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ULTIMATE.start_main_~#t1~0#1.base, ~q2~0.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_~#t3~0#1.base, #StackHeapBarrier, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:14,027 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:24:14,028 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~arr~0#1.base, ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.base, 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, ULTIMATE.start_create_fresh_int_array_#t~nondet31#1, ULTIMATE.start_main_#t~ret18#1.base, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~q1_front~0, ~N~0, ~t~0, ~x~0, ~y~0, ~z~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.base, #valid, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ULTIMATE.start_main_~#t1~0#1.base, ~q2~0.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_~#t3~0#1.base, #StackHeapBarrier, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:14,028 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~arr~0#1.base, ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.base, 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, ULTIMATE.start_create_fresh_int_array_#t~nondet31#1, ULTIMATE.start_main_#t~ret18#1.base, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~q1_front~0, ~N~0, ~t~0, ~x~0, ~y~0, ~z~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.base, #valid, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ULTIMATE.start_main_~#t1~0#1.base, ~q2~0.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_~#t3~0#1.base, #StackHeapBarrier, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:24:15,144 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1659 states. [2024-05-03 05:24:15,144 INFO L212 cStratifiedReduction]: Copied states 27 times. [2024-05-03 05:24:15,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:15,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:15,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:24:15,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:15,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:15,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:24:15,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:24:15,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:24:15,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:24:15,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:24:15,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:24:15,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:24:15,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:24:15,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:24:15,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-03 05:24:15,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-03 05:24:15,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:24:15,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-03 05:24:15,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-05-03 05:24:15,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-05-03 05:24:15,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-03 05:24:15,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-05-03 05:24:15,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-05-03 05:24:15,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-05-03 05:24:15,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-05-03 05:24:15,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2024-05-03 05:24:15,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-03 05:24:15,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-05-03 05:24:15,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-05-03 05:24:15,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2024-05-03 05:24:15,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2024-05-03 05:24:15,145 INFO L78 Accepts]: Start accepts. Automaton has currently 2100 states, but on-demand construction may add more states Word has length 729 [2024-05-03 05:24:15,153 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:24:15,166 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-05-03 05:24:15,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,29 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:24:15,364 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:24:15,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:24:15,364 INFO L85 PathProgramCache]: Analyzing trace with hash 825305613, now seen corresponding path program 23 times [2024-05-03 05:24:15,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:24:15,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289672159] [2024-05-03 05:24:15,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:24:15,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:24:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:24:26,960 INFO L134 CoverageAnalysis]: Checked inductivity of 5566 backedges. 18 proven. 4806 refuted. 0 times theorem prover too weak. 742 trivial. 0 not checked. [2024-05-03 05:24:26,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:24:26,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289672159] [2024-05-03 05:24:26,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289672159] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:24:26,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1032121098] [2024-05-03 05:24:26,960 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-03 05:24:26,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:24:26,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:24:26,961 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:24:26,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-05-03 05:27:31,000 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 27 check-sat command(s) [2024-05-03 05:27:31,001 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:27:31,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 1466 conjuncts, 118 conjunts are in the unsatisfiable core [2024-05-03 05:27:31,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:27:36,816 INFO L349 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2024-05-03 05:27:36,816 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 7 [2024-05-03 05:27:36,910 INFO L134 CoverageAnalysis]: Checked inductivity of 5566 backedges. 0 proven. 2843 refuted. 0 times theorem prover too weak. 2723 trivial. 0 not checked. [2024-05-03 05:27:36,910 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:27:39,614 INFO L349 Elim1Store]: treesize reduction 23, result has 76.3 percent of original size [2024-05-03 05:27:39,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 86 [2024-05-03 05:27:40,611 INFO L134 CoverageAnalysis]: Checked inductivity of 5566 backedges. 0 proven. 2069 refuted. 0 times theorem prover too weak. 3497 trivial. 0 not checked. [2024-05-03 05:27:40,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1032121098] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:27:40,611 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:27:40,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [102, 57, 24] total 172 [2024-05-03 05:27:40,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813935268] [2024-05-03 05:27:40,611 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:27:40,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 172 states [2024-05-03 05:27:40,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:27:40,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 172 interpolants. [2024-05-03 05:27:40,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1119, Invalid=28293, Unknown=0, NotChecked=0, Total=29412 [2024-05-03 05:27:40,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:27:40,615 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:27:40,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 172 states, 172 states have (on average 7.186046511627907) internal successors, (1236), 172 states have internal predecessors, (1236), 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 05:27:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:27:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:27:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:27:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:27:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:27:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:27:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:27:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:27:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:27:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:27:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:27:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:27:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:27:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:27:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-03 05:27:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-03 05:27:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:27:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-03 05:27:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-05-03 05:27:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-05-03 05:27:40,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-03 05:27:40,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-05-03 05:27:40,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-05-03 05:27:40,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-05-03 05:27:40,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2024-05-03 05:27:40,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2024-05-03 05:27:40,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-05-03 05:27:40,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2024-05-03 05:27:40,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-05-03 05:27:40,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 202 states. [2024-05-03 05:27:40,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 155 states. [2024-05-03 05:27:40,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:27:40,617 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:28:01,684 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:01,684 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:28:01,684 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:01,690 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:01,690 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~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:01,690 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#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, ~q1~0.base, ~q2_front~0, ~q1_back~0, ~q1_front~0, ~q2~0.offset, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:01,724 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:01,724 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~arr~0#1.base, ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.base, 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, ULTIMATE.start_create_fresh_int_array_#t~nondet31#1, ULTIMATE.start_main_#t~ret18#1.base, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~q1_front~0, ~N~0, ~t~0, ~x~0, ~y~0, ~z~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.base, #valid, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ULTIMATE.start_main_~#t1~0#1.base, ~q2~0.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_~#t3~0#1.base, #StackHeapBarrier, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:01,724 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~arr~0#1.base, ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.base, 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, ULTIMATE.start_create_fresh_int_array_#t~nondet31#1, ULTIMATE.start_main_#t~ret18#1.base, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~q1_front~0, ~N~0, ~t~0, ~x~0, ~y~0, ~z~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.base, #valid, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ULTIMATE.start_main_~#t1~0#1.base, ~q2~0.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_~#t3~0#1.base, #StackHeapBarrier, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:01,832 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:01,832 INFO L369 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~arr~0#1.base, ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.base, 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, ULTIMATE.start_create_fresh_int_array_#t~nondet31#1, ULTIMATE.start_main_#t~ret18#1.base, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~q1_front~0, ~N~0, ~t~0, ~x~0, ~y~0, ~z~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.base, #valid, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ULTIMATE.start_main_~#t1~0#1.base, ~q2~0.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_~#t3~0#1.base, #StackHeapBarrier, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:01,832 INFO L370 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~arr~0#1.base, ULTIMATE.start_create_fresh_int_array_~i~1#1, ~q2_back~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.offset, ULTIMATE.start_main_#t~ret18#1.offset, ULTIMATE.start_create_fresh_int_array_#res#1.base, 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, ULTIMATE.start_create_fresh_int_array_#t~nondet31#1, ULTIMATE.start_main_#t~ret18#1.base, ~n1~0, ~q1~0.base, ~q2_front~0, ~q1_back~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~q1_front~0, ~N~0, ~t~0, ~x~0, ~y~0, ~z~0, ULTIMATE.start_create_fresh_int_array_#t~malloc29#1.base, #valid, ULTIMATE.start_assume_abort_if_not_#in~cond#1, ULTIMATE.start_main_~#t1~0#1.base, ~q2~0.offset, ULTIMATE.start_main_~#t2~0#1.base, ULTIMATE.start_main_~#t3~0#1.base, #StackHeapBarrier, ULTIMATE.start_create_fresh_int_array_#t~post30#1, #memory_int, ~q2~0.base, thread2Thread1of1ForFork2_~j~0#1, thread3Thread1of1ForFork0_~k~0#1, ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset] [2024-05-03 05:28:02,982 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1573 states. [2024-05-03 05:28:02,983 INFO L212 cStratifiedReduction]: Copied states 7 times. [2024-05-03 05:28:02,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:28:02,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:28:02,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:28:02,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:28:02,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:28:02,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:28:02,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:28:02,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:28:02,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:28:02,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:28:02,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:28:02,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:28:02,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:28:02,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:28:02,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-03 05:28:02,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-03 05:28:02,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:28:02,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-03 05:28:02,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-05-03 05:28:02,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-05-03 05:28:02,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-03 05:28:02,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-05-03 05:28:02,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2024-05-03 05:28:02,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-05-03 05:28:02,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-05-03 05:28:02,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2024-05-03 05:28:02,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-03 05:28:02,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-05-03 05:28:02,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-05-03 05:28:02,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2024-05-03 05:28:02,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2024-05-03 05:28:02,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2024-05-03 05:28:02,984 INFO L78 Accepts]: Start accepts. Automaton has currently 1871 states, but on-demand construction may add more states Word has length 766 [2024-05-03 05:28:02,992 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:28:03,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-05-03 05:28:03,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,30 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:28:03,207 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:28:03,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:28:03,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1258241238, now seen corresponding path program 24 times [2024-05-03 05:28:03,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:28:03,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881540795] [2024-05-03 05:28:03,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:28:03,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:28:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:28:05,350 INFO L134 CoverageAnalysis]: Checked inductivity of 6258 backedges. 1209 proven. 1806 refuted. 0 times theorem prover too weak. 3243 trivial. 0 not checked. [2024-05-03 05:28:05,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:28:05,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881540795] [2024-05-03 05:28:05,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881540795] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:28:05,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1256918984] [2024-05-03 05:28:05,351 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-03 05:28:05,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:28:05,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:28:05,352 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:28:05,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process Received shutdown request... [2024-05-03 05:28:22,587 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-03 05:28:22,599 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 05:28:22,600 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 05:28:23,636 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-05-03 05:28:23,656 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2024-05-03 05:28:23,734 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-05-03 05:28:23,734 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-05-03 05:28:23,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2024-05-03 05:28:23,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267340915] [2024-05-03 05:28:23,735 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-05-03 05:28:23,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-05-03 05:28:23,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:28:23,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-05-03 05:28:23,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=382, Invalid=1874, Unknown=0, NotChecked=0, Total=2256 [2024-05-03 05:28:23,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:28:23,736 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:28:23,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 10.229166666666666) internal successors, (491), 48 states have internal predecessors, (491), 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 05:28:23,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:28:23,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:28:23,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 05:28:23,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:28:23,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:28:23,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 05:28:23,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-03 05:28:23,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 05:28:23,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-03 05:28:23,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:28:23,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:28:23,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-03 05:28:23,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-03 05:28:23,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:28:23,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-03 05:28:23,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-03 05:28:23,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-03 05:28:23,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-03 05:28:23,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-05-03 05:28:23,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-05-03 05:28:23,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-03 05:28:23,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-05-03 05:28:23,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2024-05-03 05:28:23,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-05-03 05:28:23,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2024-05-03 05:28:23,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2024-05-03 05:28:23,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-05-03 05:28:23,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2024-05-03 05:28:23,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-05-03 05:28:23,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 202 states. [2024-05-03 05:28:23,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 155 states. [2024-05-03 05:28:23,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 196 states. [2024-05-03 05:28:23,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:28:23,738 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:28:23,738 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1 states. [2024-05-03 05:28:23,738 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 05:28:23,772 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-05-03 05:28:23,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-05-03 05:28:23,939 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction. [2024-05-03 05:28:23,944 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-03 05:28:23,968 INFO L445 BasicCegarLoop]: Path program histogram: [24, 3, 2, 1, 1, 1, 1] [2024-05-03 05:28:23,970 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/4) [2024-05-03 05:28:23,972 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-03 05:28:23,972 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-03 05:28:23,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 05:28:23 BasicIcfg [2024-05-03 05:28:23,974 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-03 05:28:23,974 INFO L158 Benchmark]: Toolchain (without parser) took 831677.40ms. Allocated memory was 252.7MB in the beginning and 2.1GB in the end (delta: 1.8GB). Free memory was 180.2MB in the beginning and 606.5MB in the end (delta: -426.4MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2024-05-03 05:28:23,974 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 252.7MB. Free memory is still 218.7MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-03 05:28:23,974 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.10ms. Allocated memory is still 252.7MB. Free memory was 179.9MB in the beginning and 167.2MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-05-03 05:28:23,974 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.72ms. Allocated memory is still 252.7MB. Free memory was 167.2MB in the beginning and 164.7MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-05-03 05:28:23,974 INFO L158 Benchmark]: Boogie Preprocessor took 46.13ms. Allocated memory is still 252.7MB. Free memory was 164.7MB in the beginning and 162.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-03 05:28:23,974 INFO L158 Benchmark]: RCFGBuilder took 605.01ms. Allocated memory is still 252.7MB. Free memory was 162.6MB in the beginning and 196.8MB in the end (delta: -34.2MB). Peak memory consumption was 22.2MB. Max. memory is 8.0GB. [2024-05-03 05:28:23,975 INFO L158 Benchmark]: TraceAbstraction took 830627.05ms. Allocated memory was 252.7MB in the beginning and 2.1GB in the end (delta: 1.8GB). Free memory was 195.8MB in the beginning and 606.5MB in the end (delta: -410.8MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2024-05-03 05:28:23,975 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 252.7MB. Free memory is still 218.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 338.10ms. Allocated memory is still 252.7MB. Free memory was 179.9MB in the beginning and 167.2MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 44.72ms. Allocated memory is still 252.7MB. Free memory was 167.2MB in the beginning and 164.7MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 46.13ms. Allocated memory is still 252.7MB. Free memory was 164.7MB in the beginning and 162.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 605.01ms. Allocated memory is still 252.7MB. Free memory was 162.6MB in the beginning and 196.8MB in the end (delta: -34.2MB). Peak memory consumption was 22.2MB. Max. memory is 8.0GB. * TraceAbstraction took 830627.05ms. Allocated memory was 252.7MB in the beginning and 2.1GB in the end (delta: 1.8GB). Free memory was 195.8MB in the beginning and 606.5MB in the end (delta: -410.8MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 18024, independent: 16686, independent conditional: 16686, independent unconditional: 0, dependent: 1338, dependent conditional: 1338, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16974, independent: 16686, independent conditional: 16686, independent unconditional: 0, dependent: 288, dependent conditional: 288, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 16974, independent: 16686, independent conditional: 16686, independent unconditional: 0, dependent: 288, dependent conditional: 288, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23161, independent: 16686, independent conditional: 0, independent unconditional: 16686, dependent: 6475, dependent conditional: 6187, dependent unconditional: 288, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 23161, independent: 16686, independent conditional: 0, independent unconditional: 16686, dependent: 6475, dependent conditional: 0, dependent unconditional: 6475, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23161, independent: 16686, independent conditional: 0, independent unconditional: 16686, dependent: 6475, dependent conditional: 0, dependent unconditional: 6475, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16974, independent: 16686, independent conditional: 0, independent unconditional: 16686, dependent: 288, dependent conditional: 0, dependent unconditional: 288, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 16974, independent: 16686, independent conditional: 0, independent unconditional: 16686, dependent: 288, dependent conditional: 0, dependent unconditional: 288, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 288, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 288, dependent conditional: 0, dependent unconditional: 288, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 288, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 288, dependent conditional: 0, dependent unconditional: 288, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 288, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 288, dependent conditional: 0, dependent unconditional: 288, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 506, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 506, dependent conditional: 0, dependent unconditional: 506, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 23161, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 6187, dependent conditional: 0, dependent unconditional: 6187, unknown: 16974, unknown conditional: 0, unknown unconditional: 16974] , Statistics on independence cache: Total cache size (in pairs): 16974, Positive cache size: 16686, Positive conditional cache size: 0, Positive unconditional cache size: 16686, Negative cache size: 288, Negative conditional cache size: 0, Negative unconditional cache size: 288, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 6187, Maximal queried relation: 32, Independence queries for same thread: 1050 - StatisticsResult: Reduction benchmarks 17.5ms Time before loop, 1333.4ms Time in loop, 1.4s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 63, Reduction States: 803, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 15.4ms Time before loop, 711.9ms Time in loop, 0.7s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 63, Reduction States: 874, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 60.1ms Time before loop, 549.7ms Time in loop, 0.6s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 63, Reduction States: 882, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 23.0ms Time before loop, 556.2ms Time in loop, 0.6s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 63, Reduction States: 890, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 61.4ms Time before loop, 432.2ms Time in loop, 0.5s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 27, Reduction States: 543, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 138.4ms Time before loop, 438.6ms Time in loop, 0.6s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 27, Reduction States: 552, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 712.7ms Time before loop, 408.1ms Time in loop, 1.1s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 4, Reduction States: 370, Duplicate States: 0, Protected Variables: 15 - StatisticsResult: Reduction benchmarks 268.1ms Time before loop, 119.0ms Time in loop, 0.4s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 4, Reduction States: 379, Duplicate States: 0, Protected Variables: 15 - StatisticsResult: Reduction benchmarks 35.2ms Time before loop, 127.4ms Time in loop, 0.2s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 4, Reduction States: 388, Duplicate States: 0, Protected Variables: 15 - StatisticsResult: Reduction benchmarks 889.4ms Time before loop, 346.9ms Time in loop, 1.2s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 4, Reduction States: 404, Duplicate States: 0, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 1859.6ms Time before loop, 1001.5ms Time in loop, 2.9s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 17, Reduction States: 617, Duplicate States: 14, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 1750.5ms Time before loop, 564.9ms Time in loop, 2.3s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 17, Reduction States: 626, Duplicate States: 14, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 1008.1ms Time before loop, 532.1ms Time in loop, 1.5s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 18, Reduction States: 667, Duplicate States: 14, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 63.3ms Time before loop, 517.4ms Time in loop, 0.6s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 18, Reduction States: 676, Duplicate States: 14, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 411.4ms Time before loop, 1779.2ms Time in loop, 2.2s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 19, Reduction States: 717, Duplicate States: 14, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 2303.6ms Time before loop, 1351.6ms Time in loop, 3.7s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 19, Reduction States: 735, Duplicate States: 14, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 2359.1ms Time before loop, 936.6ms Time in loop, 3.3s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 19, Reduction States: 782, Duplicate States: 14, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 2652.0ms Time before loop, 1119.4ms Time in loop, 3.8s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 19, Reduction States: 810, Duplicate States: 14, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 1510.2ms Time before loop, 1020.1ms Time in loop, 2.5s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 19, Reduction States: 879, Duplicate States: 14, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 5365.7ms Time before loop, 3982.5ms Time in loop, 9.3s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 25, Reduction States: 1052, Duplicate States: 17, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 2752.2ms Time before loop, 1476.5ms Time in loop, 4.2s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 25, Reduction States: 1070, Duplicate States: 17, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 1504.4ms Time before loop, 1114.1ms Time in loop, 2.6s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 28, Reduction States: 1195, Duplicate States: 30, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 1916.7ms Time before loop, 1320.6ms Time in loop, 3.2s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 28, Reduction States: 1213, Duplicate States: 30, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 3354.1ms Time before loop, 2820.3ms Time in loop, 6.2s Time in total, Has Loop: 1, wrong guesses: 1, overall guesses: 22, Reduction States: 1088, Duplicate States: 7, Protected Variables: 13 - StatisticsResult: Reduction benchmarks 5636.9ms Time before loop, 2978.5ms Time in loop, 8.6s Time in total, Has Loop: 1, wrong guesses: 1, overall guesses: 22, Reduction States: 1106, Duplicate States: 7, Protected Variables: 13 - StatisticsResult: Reduction benchmarks 4173.7ms Time before loop, 1663.6ms Time in loop, 5.8s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 32, Reduction States: 1421, Duplicate States: 30, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 4530.0ms Time before loop, 2807.0ms Time in loop, 7.3s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 32, Reduction States: 1450, Duplicate States: 30, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 241.0ms Time before loop, 2096.3ms Time in loop, 2.3s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 32, Reduction States: 1459, Duplicate States: 30, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 9087.2ms Time before loop, 6443.5ms Time in loop, 15.5s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 32, Reduction States: 1503, Duplicate States: 30, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 12114.4ms Time before loop, 2726.2ms Time in loop, 14.8s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 32, Reduction States: 1531, Duplicate States: 30, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 8811.1ms Time before loop, 7657.0ms Time in loop, 16.5s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 32, Reduction States: 1549, Duplicate States: 30, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 16245.3ms Time before loop, 5841.6ms Time in loop, 22.1s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 33, Reduction States: 1659, Duplicate States: 27, Protected Variables: 37 - StatisticsResult: Reduction benchmarks 13750.3ms Time before loop, 8615.1ms Time in loop, 22.4s Time in total, Has Loop: 1, wrong guesses: 1, overall guesses: 30, Reduction States: 1573, Duplicate States: 7, Protected Variables: 20 - StatisticsResult: Reduction benchmarks 0.3ms Time before loop, 0.0ms Time in loop, 0.0s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 1, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Visitor Statistics States: 744, Transitions: 932, Traversal time: 1.3s - StatisticsResult: Visitor Statistics States: 744, Transitions: 938, Traversal time: 0.7s - StatisticsResult: Visitor Statistics States: 751, Transitions: 945, Traversal time: 0.6s - StatisticsResult: Visitor Statistics States: 758, Transitions: 952, Traversal time: 0.6s - StatisticsResult: Visitor Statistics States: 434, Transitions: 517, Traversal time: 0.5s - StatisticsResult: Visitor Statistics States: 442, Transitions: 525, Traversal time: 0.6s - StatisticsResult: Visitor Statistics States: 248, Transitions: 258, Traversal time: 1.1s - StatisticsResult: Visitor Statistics States: 256, Transitions: 266, Traversal time: 0.4s - StatisticsResult: Visitor Statistics States: 264, Transitions: 274, Traversal time: 0.2s - StatisticsResult: Visitor Statistics States: 277, Transitions: 288, Traversal time: 1.2s - StatisticsResult: Visitor Statistics States: 446, Transitions: 523, Traversal time: 2.9s - StatisticsResult: Visitor Statistics States: 454, Transitions: 531, Traversal time: 2.3s - StatisticsResult: Visitor Statistics States: 474, Transitions: 553, Traversal time: 1.5s - StatisticsResult: Visitor Statistics States: 482, Transitions: 561, Traversal time: 0.6s - StatisticsResult: Visitor Statistics States: 502, Transitions: 583, Traversal time: 2.2s - StatisticsResult: Visitor Statistics States: 518, Transitions: 599, Traversal time: 3.7s - StatisticsResult: Visitor Statistics States: 538, Transitions: 619, Traversal time: 3.3s - StatisticsResult: Visitor Statistics States: 552, Transitions: 633, Traversal time: 3.8s - StatisticsResult: Visitor Statistics States: 610, Transitions: 720, Traversal time: 2.5s - StatisticsResult: Visitor Statistics States: 705, Transitions: 838, Traversal time: 9.3s - StatisticsResult: Visitor Statistics States: 721, Transitions: 854, Traversal time: 4.2s - StatisticsResult: Visitor Statistics States: 814, Transitions: 991, Traversal time: 2.6s - StatisticsResult: Visitor Statistics States: 830, Transitions: 1007, Traversal time: 3.2s - StatisticsResult: Visitor Statistics States: 710, Transitions: 817, Traversal time: 6.2s - StatisticsResult: Visitor Statistics States: 726, Transitions: 833, Traversal time: 8.6s - StatisticsResult: Visitor Statistics States: 930, Transitions: 1115, Traversal time: 5.8s - StatisticsResult: Visitor Statistics States: 956, Transitions: 1141, Traversal time: 7.3s - StatisticsResult: Visitor Statistics States: 964, Transitions: 1149, Traversal time: 2.3s - StatisticsResult: Visitor Statistics States: 992, Transitions: 1177, Traversal time: 15.5s - StatisticsResult: Visitor Statistics States: 1006, Transitions: 1191, Traversal time: 14.8s - StatisticsResult: Visitor Statistics States: 1022, Transitions: 1207, Traversal time: 16.5s - StatisticsResult: Visitor Statistics States: 1099, Transitions: 1324, Traversal time: 22.1s - StatisticsResult: Visitor Statistics States: 996, Transitions: 1159, Traversal time: 22.4s - StatisticsResult: Visitor Statistics States: 1, Transitions: 0, Traversal time: 0.0s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 460, RedundantProofs: 33, ProvenStates: 2864, Times there's more than one choice: 2107, Avg number of choices: 14.06040502793296 - TimeoutResultAtElement [Line: 135]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing DynamicStratifiedReduction. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 7 procedures, 250 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 830.5s, OverallIterations: 33, TraceHistogramMax: 0, PathProgramHistogramMax: 24, EmptinessCheckTime: 171.2s, 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: 2429, 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: 1.3s SsaConstructionTime, 401.5s SatisfiabilityAnalysisTime, 228.2s InterpolantComputationTime, 25726 NumberOfCodeBlocks, 25108 NumberOfCodeBlocksAsserted, 211 NumberOfCheckSat, 37756 ConstructedInterpolants, 419 QuantifiedInterpolants, 400679 SizeOfPredicates, 701 NumberOfNonLiveVariables, 23700 ConjunctsInSsa, 1426 ConjunctsInUnsatCore, 89 InterpolantComputations, 4 PerfectInterpolantSequences, 75988/152580 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