/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/clever.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-e23131f-m [2024-05-03 04:33:58,103 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-03 04:33:58,160 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-05-03 04:33:58,164 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-03 04:33:58,164 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-03 04:33:58,165 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-05-03 04:33:58,191 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-03 04:33:58,191 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-03 04:33:58,192 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-03 04:33:58,192 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-03 04:33:58,192 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-03 04:33:58,193 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-03 04:33:58,193 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-03 04:33:58,193 INFO L153 SettingsManager]: * Use SBE=true [2024-05-03 04:33:58,193 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-03 04:33:58,194 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-03 04:33:58,194 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-03 04:33:58,194 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-03 04:33:58,194 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-03 04:33:58,194 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-03 04:33:58,195 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-03 04:33:58,198 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-03 04:33:58,198 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-03 04:33:58,198 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-03 04:33:58,201 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-03 04:33:58,201 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-03 04:33:58,202 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-03 04:33:58,202 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-03 04:33:58,202 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-03 04:33:58,202 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-03 04:33:58,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 04:33:58,203 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-03 04:33:58,203 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-03 04:33:58,203 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-05-03 04:33:58,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-03 04:33:58,204 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-03 04:33:58,204 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-05-03 04:33:58,204 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-05-03 04:33:58,204 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-03 04:33:58,204 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-03 04:33:58,204 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-03 04:33:58,205 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-03 04:33:58,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-03 04:33:58,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-03 04:33:58,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-03 04:33:58,447 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-03 04:33:58,450 INFO L274 PluginConnector]: CDTParser initialized [2024-05-03 04:33:58,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/clever.wvr.c [2024-05-03 04:33:59,574 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-03 04:33:59,720 INFO L384 CDTParser]: Found 1 translation units. [2024-05-03 04:33:59,721 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/clever.wvr.c [2024-05-03 04:33:59,726 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/43b280c5c/d80e9b5ab59d49b4aabda4bc9db566ac/FLAGff25e4379 [2024-05-03 04:33:59,742 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/43b280c5c/d80e9b5ab59d49b4aabda4bc9db566ac [2024-05-03 04:33:59,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-03 04:33:59,746 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-03 04:33:59,747 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-03 04:33:59,747 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-03 04:33:59,750 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-03 04:33:59,751 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 04:33:59" (1/1) ... [2024-05-03 04:33:59,752 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bb347b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:33:59, skipping insertion in model container [2024-05-03 04:33:59,752 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 04:33:59" (1/1) ... [2024-05-03 04:33:59,768 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-03 04:33:59,889 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/clever.wvr.c[2133,2146] [2024-05-03 04:33:59,893 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 04:33:59,900 INFO L202 MainTranslator]: Completed pre-run [2024-05-03 04:33:59,914 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/clever.wvr.c[2133,2146] [2024-05-03 04:33:59,915 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 04:33:59,926 INFO L206 MainTranslator]: Completed translation [2024-05-03 04:33:59,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:33:59 WrapperNode [2024-05-03 04:33:59,927 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-03 04:33:59,928 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-03 04:33:59,928 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-03 04:33:59,928 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-03 04:33:59,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:33:59" (1/1) ... [2024-05-03 04:33:59,938 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:33:59" (1/1) ... [2024-05-03 04:33:59,953 INFO L138 Inliner]: procedures = 19, calls = 21, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 84 [2024-05-03 04:33:59,953 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-03 04:33:59,954 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-03 04:33:59,954 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-03 04:33:59,954 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-03 04:33:59,961 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:33:59" (1/1) ... [2024-05-03 04:33:59,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:33:59" (1/1) ... [2024-05-03 04:33:59,963 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:33:59" (1/1) ... [2024-05-03 04:33:59,963 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:33:59" (1/1) ... [2024-05-03 04:33:59,966 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:33:59" (1/1) ... [2024-05-03 04:33:59,969 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:33:59" (1/1) ... [2024-05-03 04:33:59,970 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:33:59" (1/1) ... [2024-05-03 04:33:59,970 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:33:59" (1/1) ... [2024-05-03 04:33:59,972 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-03 04:33:59,973 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-03 04:33:59,973 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-03 04:33:59,973 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-03 04:33:59,974 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:33:59" (1/1) ... [2024-05-03 04:33:59,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 04:33:59,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:34:00,014 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 04:34:00,031 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 04:34:00,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-03 04:34:00,059 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-03 04:34:00,059 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-03 04:34:00,059 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-03 04:34:00,059 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-03 04:34:00,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-03 04:34:00,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-03 04:34:00,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-03 04:34:00,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-03 04:34:00,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-03 04:34:00,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-03 04:34:00,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-03 04:34:00,061 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 04:34:00,155 INFO L241 CfgBuilder]: Building ICFG [2024-05-03 04:34:00,156 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-03 04:34:00,312 INFO L282 CfgBuilder]: Performing block encoding [2024-05-03 04:34:00,321 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-03 04:34:00,321 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-05-03 04:34:00,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 04:34:00 BoogieIcfgContainer [2024-05-03 04:34:00,322 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-03 04:34:00,339 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-03 04:34:00,339 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-03 04:34:00,342 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-03 04:34:00,342 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.05 04:33:59" (1/3) ... [2024-05-03 04:34:00,342 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@147c1a12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 04:34:00, skipping insertion in model container [2024-05-03 04:34:00,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 04:33:59" (2/3) ... [2024-05-03 04:34:00,343 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@147c1a12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 04:34:00, skipping insertion in model container [2024-05-03 04:34:00,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 04:34:00" (3/3) ... [2024-05-03 04:34:00,344 INFO L112 eAbstractionObserver]: Analyzing ICFG clever.wvr.c [2024-05-03 04:34:00,352 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-03 04:34:00,359 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-03 04:34:00,360 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-03 04:34:00,360 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-03 04:34:00,407 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-03 04:34:00,442 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 04:34:00,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 04:34:00,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:34:00,445 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 04:34:00,457 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 04:34:00,505 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 04:34:00,512 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-03 04:34:00,520 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;@62a8f62f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 04:34:00,521 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-03 04:34:00,528 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:34:00,603 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:00,604 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:00,604 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:34:00,614 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:00,614 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:00,614 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:34:00,622 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:00,622 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:00,622 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:34:00,630 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:00,630 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:00,630 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:34:00,639 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:00,639 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:00,639 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:34:00,647 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:00,647 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:00,647 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:34:00,654 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:00,655 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:00,655 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:34:00,662 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:00,663 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:00,663 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:34:00,670 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:00,670 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:00,670 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:34:00,681 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:00,682 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:00,682 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:34:00,688 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:00,688 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:00,688 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:34:00,692 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 217 states. [2024-05-03 04:34:00,693 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 04:34:00,695 INFO L78 Accepts]: Start accepts. Automaton has currently 223 states, but on-demand construction may add more states Word has length 89 [2024-05-03 04:34:00,698 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:34:00,698 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:34:00,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:34:00,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1202478194, now seen corresponding path program 1 times [2024-05-03 04:34:00,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:34:00,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952437655] [2024-05-03 04:34:00,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:34:00,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:34:00,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:34:00,976 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 04:34:00,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:34:00,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952437655] [2024-05-03 04:34:00,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952437655] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 04:34:00,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 04:34:00,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-03 04:34:00,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290273306] [2024-05-03 04:34:00,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 04:34:00,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-03 04:34:00,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:34:01,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-03 04:34:01,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-03 04:34:01,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:01,016 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:34:01,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 44.5) internal successors, (89), 2 states have internal predecessors, (89), 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 04:34:01,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:01,018 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:34:01,066 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:01,067 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:01,067 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:34:01,071 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:01,072 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:01,072 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:34:01,081 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:01,081 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:01,082 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:34:01,093 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:01,094 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:01,094 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:34:01,107 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:01,107 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:01,107 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:34:01,117 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:01,118 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:01,118 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:34:01,121 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:01,121 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:01,121 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:34:01,126 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:01,126 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:01,126 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:34:01,130 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:01,130 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:01,130 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:34:01,137 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:01,137 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:01,137 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:34:01,140 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:01,141 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:01,141 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:34:01,148 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 252 states. [2024-05-03 04:34:01,148 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 04:34:01,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:01,149 INFO L78 Accepts]: Start accepts. Automaton has currently 264 states, but on-demand construction may add more states Word has length 86 [2024-05-03 04:34:01,149 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:34:01,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-03 04:34:01,150 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:34:01,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:34:01,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1421900411, now seen corresponding path program 1 times [2024-05-03 04:34:01,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:34:01,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938860550] [2024-05-03 04:34:01,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:34:01,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:34:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:34:01,846 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 04:34:01,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:34:01,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938860550] [2024-05-03 04:34:01,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938860550] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 04:34:01,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 04:34:01,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-03 04:34:01,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344582621] [2024-05-03 04:34:01,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 04:34:01,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-03 04:34:01,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:34:01,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-03 04:34:01,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-05-03 04:34:01,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:01,855 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:34:01,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 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 04:34:01,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:01,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:01,856 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:34:01,968 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:01,968 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:01,968 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:34:01,973 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:01,973 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:01,973 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:34:01,987 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:01,987 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:01,987 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:34:02,008 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 229 states. [2024-05-03 04:34:02,009 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 04:34:02,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:02,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:34:02,009 INFO L78 Accepts]: Start accepts. Automaton has currently 240 states, but on-demand construction may add more states Word has length 99 [2024-05-03 04:34:02,010 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:34:02,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-03 04:34:02,010 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:34:02,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:34:02,011 INFO L85 PathProgramCache]: Analyzing trace with hash -612193069, now seen corresponding path program 1 times [2024-05-03 04:34:02,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:34:02,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286037197] [2024-05-03 04:34:02,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:34:02,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:34:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:34:02,216 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-03 04:34:02,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:34:02,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286037197] [2024-05-03 04:34:02,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286037197] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 04:34:02,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31555663] [2024-05-03 04:34:02,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:34:02,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:34:02,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:34:02,278 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 04:34:02,289 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 04:34:02,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:34:02,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 7 conjunts are in the unsatisfiable core [2024-05-03 04:34:02,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 04:34:02,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-03 04:34:02,572 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 04:34:02,658 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-03 04:34:02,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31555663] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 04:34:02,659 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 04:34:02,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-05-03 04:34:02,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791118964] [2024-05-03 04:34:02,659 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 04:34:02,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-05-03 04:34:02,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:34:02,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-05-03 04:34:02,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-05-03 04:34:02,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:02,660 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:34:02,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.4) internal successors, (144), 10 states have internal predecessors, (144), 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 04:34:02,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:02,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:34:02,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:02,661 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:34:02,755 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:02,755 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:02,755 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 04:34:02,759 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:02,759 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:02,759 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:02,781 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:02,781 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:02,781 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:02,783 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:02,784 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:02,784 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:02,787 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:02,787 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:02,788 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:02,791 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:02,791 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:02,791 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:02,794 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:02,794 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:02,794 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:02,798 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:02,798 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:02,798 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:02,805 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:02,805 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:02,806 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:02,808 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:02,808 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:02,808 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:02,811 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:02,811 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:02,811 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:02,817 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:02,817 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:02,817 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:02,817 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:02,817 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:02,817 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:02,820 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:02,820 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:02,820 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:02,823 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:02,823 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:02,823 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:02,840 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 377 states. [2024-05-03 04:34:02,840 INFO L212 cStratifiedReduction]: Copied states 36 times. [2024-05-03 04:34:02,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:02,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:34:02,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:34:02,841 INFO L78 Accepts]: Start accepts. Automaton has currently 360 states, but on-demand construction may add more states Word has length 104 [2024-05-03 04:34:02,841 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:34:02,847 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-03 04:34:03,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-05-03 04:34:03,048 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:34:03,049 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:34:03,049 INFO L85 PathProgramCache]: Analyzing trace with hash 919159833, now seen corresponding path program 1 times [2024-05-03 04:34:03,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:34:03,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105647010] [2024-05-03 04:34:03,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:34:03,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:34:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:34:03,863 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:34:03,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:34:03,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105647010] [2024-05-03 04:34:03,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105647010] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 04:34:03,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1533621743] [2024-05-03 04:34:03,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:34:03,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:34:03,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:34:03,865 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 04:34:03,898 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 04:34:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:34:04,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 24 conjunts are in the unsatisfiable core [2024-05-03 04:34:04,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 04:34:04,658 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:34:04,658 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 04:34:05,088 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:34:05,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1533621743] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 04:34:05,088 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 04:34:05,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 15, 14] total 39 [2024-05-03 04:34:05,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392400726] [2024-05-03 04:34:05,088 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 04:34:05,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-05-03 04:34:05,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:34:05,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-05-03 04:34:05,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=1319, Unknown=0, NotChecked=0, Total=1482 [2024-05-03 04:34:05,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:05,090 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:34:05,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 5.641025641025641) internal successors, (220), 39 states have internal predecessors, (220), 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 04:34:05,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:05,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:34:05,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:34:05,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:05,091 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:34:06,464 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:06,465 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:06,465 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:06,466 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:06,466 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:06,466 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:06,469 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:06,469 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:06,469 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:06,472 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:06,472 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:06,472 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:06,474 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:06,474 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:06,474 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:06,500 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:06,501 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:06,501 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:06,504 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:06,505 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:06,505 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:06,508 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:06,508 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:06,508 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:06,510 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:06,510 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:06,510 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:06,512 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:06,513 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:06,513 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:06,517 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:06,517 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:06,517 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:06,518 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:06,518 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:06,518 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:06,520 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:06,520 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:06,520 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:06,523 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:06,523 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:06,523 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:06,569 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 403 states. [2024-05-03 04:34:06,570 INFO L212 cStratifiedReduction]: Copied states 28 times. [2024-05-03 04:34:06,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:06,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:34:06,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:34:06,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:34:06,570 INFO L78 Accepts]: Start accepts. Automaton has currently 402 states, but on-demand construction may add more states Word has length 118 [2024-05-03 04:34:06,571 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:34:06,604 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-05-03 04:34:06,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:34:06,804 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:34:06,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:34:06,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1834551417, now seen corresponding path program 2 times [2024-05-03 04:34:06,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:34:06,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482393468] [2024-05-03 04:34:06,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:34:06,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:34:06,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:34:07,765 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-03 04:34:07,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:34:07,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482393468] [2024-05-03 04:34:07,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482393468] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 04:34:07,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [47118263] [2024-05-03 04:34:07,766 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 04:34:07,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:34:07,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:34:07,767 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 04:34:07,795 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 04:34:07,978 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 04:34:07,978 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 04:34:07,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 38 conjunts are in the unsatisfiable core [2024-05-03 04:34:07,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 04:34:09,039 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:34:09,039 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 04:34:09,782 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-05-03 04:34:09,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [47118263] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 04:34:09,782 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 04:34:09,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 17] total 53 [2024-05-03 04:34:09,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162984732] [2024-05-03 04:34:09,783 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 04:34:09,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-05-03 04:34:09,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:34:09,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-05-03 04:34:09,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=2564, Unknown=0, NotChecked=0, Total=2756 [2024-05-03 04:34:09,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:09,785 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:34:09,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 4.320754716981132) internal successors, (229), 53 states have internal predecessors, (229), 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 04:34:09,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:09,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:34:09,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:34:09,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:34:09,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:09,787 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:34:12,516 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:12,516 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:12,516 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:12,518 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:12,518 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:12,518 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:12,528 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:12,528 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:12,528 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:12,769 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:12,769 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:12,769 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:12,841 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 385 states. [2024-05-03 04:34:12,841 INFO L212 cStratifiedReduction]: Copied states 7 times. [2024-05-03 04:34:12,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:12,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:34:12,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:34:12,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:34:12,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:34:12,842 INFO L78 Accepts]: Start accepts. Automaton has currently 401 states, but on-demand construction may add more states Word has length 138 [2024-05-03 04:34:12,842 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:34:12,859 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 04:34:13,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:34:13,043 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:34:13,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:34:13,045 INFO L85 PathProgramCache]: Analyzing trace with hash 330981506, now seen corresponding path program 3 times [2024-05-03 04:34:13,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:34:13,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896688169] [2024-05-03 04:34:13,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:34:13,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:34:13,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:34:13,266 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 30 proven. 58 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-03 04:34:13,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:34:13,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896688169] [2024-05-03 04:34:13,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896688169] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 04:34:13,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [128826990] [2024-05-03 04:34:13,266 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 04:34:13,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:34:13,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:34:13,268 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 04:34:13,270 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 04:34:13,353 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-05-03 04:34:13,353 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 04:34:13,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 11 conjunts are in the unsatisfiable core [2024-05-03 04:34:13,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 04:34:13,635 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-05-03 04:34:13,636 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 04:34:13,829 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 1 proven. 41 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-05-03 04:34:13,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [128826990] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 04:34:13,830 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 04:34:13,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 10] total 29 [2024-05-03 04:34:13,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758113654] [2024-05-03 04:34:13,830 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 04:34:13,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-05-03 04:34:13,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:34:13,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-05-03 04:34:13,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=727, Unknown=0, NotChecked=0, Total=812 [2024-05-03 04:34:13,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:13,831 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:34:13,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 9.10344827586207) internal successors, (264), 29 states have internal predecessors, (264), 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 04:34:13,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:13,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:34:13,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:34:13,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:34:13,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:34:13,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:13,832 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:34:14,367 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:14,368 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:14,368 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:14,370 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:14,370 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:14,370 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:14,374 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:14,374 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:14,374 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:14,809 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:14,809 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:14,809 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:14,811 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:14,811 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:14,812 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 04:34:14,876 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:14,876 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:14,876 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:14,879 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:14,879 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:14,879 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:14,882 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:14,882 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:14,882 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:14,885 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:14,885 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:14,885 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:14,976 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:14,976 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:14,976 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:14,978 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:14,978 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:14,978 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:14,981 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:14,981 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:14,981 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:14,993 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:14,993 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:14,993 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:14,997 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:14,997 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:14,997 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:15,035 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 574 states. [2024-05-03 04:34:15,035 INFO L212 cStratifiedReduction]: Copied states 37 times. [2024-05-03 04:34:15,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:15,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:34:15,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:34:15,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:34:15,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:34:15,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:34:15,036 INFO L78 Accepts]: Start accepts. Automaton has currently 602 states, but on-demand construction may add more states Word has length 157 [2024-05-03 04:34:15,037 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:34:15,054 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 04:34:15,237 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,SelfDestructingSolverStorable5 [2024-05-03 04:34:15,237 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:34:15,238 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:34:15,238 INFO L85 PathProgramCache]: Analyzing trace with hash -415592150, now seen corresponding path program 4 times [2024-05-03 04:34:15,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:34:15,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118167733] [2024-05-03 04:34:15,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:34:15,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:34:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:34:15,447 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 30 proven. 139 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 04:34:15,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:34:15,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118167733] [2024-05-03 04:34:15,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118167733] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 04:34:15,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2076516143] [2024-05-03 04:34:15,448 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-03 04:34:15,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:34:15,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:34:15,449 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 04:34:15,473 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 04:34:15,516 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-03 04:34:15,516 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 04:34:15,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 16 conjunts are in the unsatisfiable core [2024-05-03 04:34:15,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 04:34:15,655 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 53 proven. 116 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 04:34:15,655 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 04:34:15,823 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 31 proven. 138 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 04:34:15,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2076516143] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 04:34:15,823 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 04:34:15,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 28 [2024-05-03 04:34:15,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320597862] [2024-05-03 04:34:15,823 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 04:34:15,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-05-03 04:34:15,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:34:15,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-05-03 04:34:15,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=631, Unknown=0, NotChecked=0, Total=756 [2024-05-03 04:34:15,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:15,825 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:34:15,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 6.75) internal successors, (189), 28 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 04:34:15,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:15,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:34:15,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:34:15,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:34:15,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:34:15,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:34:15,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:15,826 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:34:16,013 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:16,013 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:16,013 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:16,015 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:16,015 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:16,015 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:16,017 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:16,018 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:16,018 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:16,140 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:16,141 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:16,141 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:16,142 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:16,142 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:16,142 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:16,144 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:16,144 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:16,144 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:16,146 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:16,146 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:16,146 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:16,155 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:16,156 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:16,156 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:16,157 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:16,157 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:16,157 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:16,160 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:16,160 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:16,160 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:16,164 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:16,165 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:16,165 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:16,168 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:16,168 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:16,168 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:16,178 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 602 states. [2024-05-03 04:34:16,178 INFO L212 cStratifiedReduction]: Copied states 21 times. [2024-05-03 04:34:16,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:16,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:34:16,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:34:16,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:34:16,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:34:16,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:34:16,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:34:16,179 INFO L78 Accepts]: Start accepts. Automaton has currently 646 states, but on-demand construction may add more states Word has length 164 [2024-05-03 04:34:16,180 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:34:16,185 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 04:34:16,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:34:16,385 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:34:16,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:34:16,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1424360617, now seen corresponding path program 5 times [2024-05-03 04:34:16,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:34:16,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327858267] [2024-05-03 04:34:16,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:34:16,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:34:16,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:34:18,142 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 227 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:34:18,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:34:18,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327858267] [2024-05-03 04:34:18,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327858267] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 04:34:18,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1826603376] [2024-05-03 04:34:18,143 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-03 04:34:18,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:34:18,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:34:18,145 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 04:34:18,157 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 04:34:18,563 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-05-03 04:34:18,563 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 04:34:18,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 66 conjunts are in the unsatisfiable core [2024-05-03 04:34:18,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 04:34:20,870 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 227 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:34:20,871 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 04:34:23,964 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 1 proven. 226 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:34:23,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1826603376] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 04:34:23,965 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 04:34:23,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36, 33] total 93 [2024-05-03 04:34:23,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639406611] [2024-05-03 04:34:23,965 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 04:34:23,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2024-05-03 04:34:23,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:34:23,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2024-05-03 04:34:23,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=324, Invalid=8232, Unknown=0, NotChecked=0, Total=8556 [2024-05-03 04:34:23,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:23,969 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:34:23,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 4.10752688172043) internal successors, (382), 93 states have internal predecessors, (382), 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 04:34:23,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:23,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:34:23,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:34:23,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:34:23,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:34:23,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:34:23,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:34:23,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:23,972 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:34:28,111 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:28,112 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:28,112 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:28,113 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:28,113 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:28,113 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:28,117 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:28,117 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:28,117 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:28,131 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:28,131 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:28,132 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:28,133 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:28,133 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:28,133 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:28,136 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:28,136 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:28,136 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:28,138 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:28,138 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:28,138 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:28,143 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:28,143 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:28,143 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:28,145 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:28,145 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:28,145 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:28,147 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:28,147 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:28,148 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:28,152 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:28,152 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:28,152 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:28,154 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:28,154 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:28,154 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:28,257 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 624 states. [2024-05-03 04:34:28,258 INFO L212 cStratifiedReduction]: Copied states 21 times. [2024-05-03 04:34:28,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:28,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:34:28,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:34:28,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:34:28,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:34:28,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:34:28,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:34:28,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:34:28,258 INFO L78 Accepts]: Start accepts. Automaton has currently 668 states, but on-demand construction may add more states Word has length 171 [2024-05-03 04:34:28,259 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:34:28,267 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 04:34:28,460 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,SelfDestructingSolverStorable7 [2024-05-03 04:34:28,460 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:34:28,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:34:28,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1510198852, now seen corresponding path program 6 times [2024-05-03 04:34:28,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:34:28,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809913978] [2024-05-03 04:34:28,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:34:28,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:34:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:34:28,771 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 46 proven. 232 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 04:34:28,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:34:28,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809913978] [2024-05-03 04:34:28,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809913978] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 04:34:28,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671400488] [2024-05-03 04:34:28,772 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-03 04:34:28,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:34:28,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:34:28,786 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 04:34:28,811 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 04:34:29,036 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2024-05-03 04:34:29,036 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 04:34:29,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 20 conjunts are in the unsatisfiable core [2024-05-03 04:34:29,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 04:34:29,297 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 82 proven. 196 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 04:34:29,297 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 04:34:29,535 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 53 proven. 225 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 04:34:29,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [671400488] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 04:34:29,536 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 04:34:29,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 34 [2024-05-03 04:34:29,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879443974] [2024-05-03 04:34:29,536 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 04:34:29,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-05-03 04:34:29,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:34:29,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-05-03 04:34:29,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=949, Unknown=0, NotChecked=0, Total=1122 [2024-05-03 04:34:29,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:29,539 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:34:29,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 6.176470588235294) internal successors, (210), 34 states have internal predecessors, (210), 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 04:34:29,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:29,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:34:29,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:34:29,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:34:29,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:34:29,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:34:29,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:34:29,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:34:29,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:29,540 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:34:29,837 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:29,837 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:29,837 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:29,838 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:29,838 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:29,838 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:29,843 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:29,843 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:29,843 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:30,062 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:30,062 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:30,062 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:30,064 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:30,064 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:30,064 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:30,068 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:30,069 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:30,069 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:30,071 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:30,072 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:30,072 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:30,081 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:30,082 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:30,082 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:30,083 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:30,083 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:30,083 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:30,086 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:30,086 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:30,086 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:30,090 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:30,091 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:30,091 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:30,100 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:30,100 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:30,100 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:30,111 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 646 states. [2024-05-03 04:34:30,112 INFO L212 cStratifiedReduction]: Copied states 21 times. [2024-05-03 04:34:30,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:30,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:34:30,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:34:30,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:34:30,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:34:30,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:34:30,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:34:30,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:34:30,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:34:30,112 INFO L78 Accepts]: Start accepts. Automaton has currently 690 states, but on-demand construction may add more states Word has length 178 [2024-05-03 04:34:30,113 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:34:30,123 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 04:34:30,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:34:30,323 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:34:30,324 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:34:30,324 INFO L85 PathProgramCache]: Analyzing trace with hash -72355195, now seen corresponding path program 7 times [2024-05-03 04:34:30,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:34:30,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467621108] [2024-05-03 04:34:30,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:34:30,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:34:30,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:34:32,266 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 350 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:34:32,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:34:32,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467621108] [2024-05-03 04:34:32,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467621108] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 04:34:32,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1653367317] [2024-05-03 04:34:32,266 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-03 04:34:32,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:34:32,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:34:32,267 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 04:34:32,291 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 04:34:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:34:32,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 78 conjunts are in the unsatisfiable core [2024-05-03 04:34:32,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 04:34:35,773 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 350 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:34:35,773 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 04:34:38,507 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 1 proven. 349 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:34:38,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1653367317] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 04:34:38,507 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 04:34:38,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 42, 38] total 100 [2024-05-03 04:34:38,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473511294] [2024-05-03 04:34:38,507 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 04:34:38,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2024-05-03 04:34:38,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:34:38,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2024-05-03 04:34:38,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=312, Invalid=9588, Unknown=0, NotChecked=0, Total=9900 [2024-05-03 04:34:38,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:38,511 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:34:38,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 3.71) internal successors, (371), 100 states have internal predecessors, (371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 04:34:38,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:38,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:34:38,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:34:38,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:34:38,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:34:38,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:34:38,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:34:38,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:34:38,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:34:38,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:38,512 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:34:45,460 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:45,461 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:45,461 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:45,463 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:45,463 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:45,463 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:45,479 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:45,480 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:45,481 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:45,497 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:45,497 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:45,497 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:45,499 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:45,499 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:45,499 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:45,501 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:45,501 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:45,501 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:45,503 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:45,503 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:45,503 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:45,508 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:45,509 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:45,509 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:45,510 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:45,510 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:45,510 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:45,512 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:45,513 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:45,513 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:45,517 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:45,517 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:45,517 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:45,518 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:45,519 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:45,519 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:45,627 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 668 states. [2024-05-03 04:34:45,628 INFO L212 cStratifiedReduction]: Copied states 21 times. [2024-05-03 04:34:45,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:45,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:34:45,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:34:45,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:34:45,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:34:45,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:34:45,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:34:45,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:34:45,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:34:45,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:34:45,628 INFO L78 Accepts]: Start accepts. Automaton has currently 712 states, but on-demand construction may add more states Word has length 185 [2024-05-03 04:34:45,629 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:34:45,647 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 04:34:45,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-05-03 04:34:45,835 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:34:45,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:34:45,836 INFO L85 PathProgramCache]: Analyzing trace with hash -15952854, now seen corresponding path program 8 times [2024-05-03 04:34:45,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:34:45,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437150108] [2024-05-03 04:34:45,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:34:45,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:34:45,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:34:46,238 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 69 proven. 346 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 04:34:46,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:34:46,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437150108] [2024-05-03 04:34:46,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437150108] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 04:34:46,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1988983170] [2024-05-03 04:34:46,239 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 04:34:46,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:34:46,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:34:46,240 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 04:34:46,250 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 04:34:46,328 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 04:34:46,328 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 04:34:46,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 24 conjunts are in the unsatisfiable core [2024-05-03 04:34:46,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 04:34:46,618 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 118 proven. 297 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 04:34:46,618 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 04:34:46,871 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 82 proven. 333 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 04:34:46,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1988983170] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 04:34:46,871 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 04:34:46,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 40 [2024-05-03 04:34:46,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116122742] [2024-05-03 04:34:46,872 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 04:34:46,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-05-03 04:34:46,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:34:46,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-05-03 04:34:46,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=1331, Unknown=0, NotChecked=0, Total=1560 [2024-05-03 04:34:46,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:46,874 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:34:46,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 5.775) internal successors, (231), 40 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 04:34:46,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:46,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:34:46,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:34:46,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:34:46,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:34:46,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:34:46,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:34:46,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:34:46,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:34:46,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:34:46,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:46,874 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:34:47,180 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:47,180 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:47,181 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:47,182 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:47,182 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:47,182 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:47,185 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:47,185 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:47,186 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:47,417 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:47,418 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:47,418 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:47,419 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:47,419 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:47,419 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:47,421 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:47,421 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:47,421 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:47,422 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:47,423 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:47,423 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:47,443 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:47,443 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:34:47,443 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:47,444 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:47,444 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:47,444 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:47,447 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:47,447 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:47,447 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:47,451 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:47,451 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:47,451 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:47,454 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:34:47,454 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:47,454 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:34:47,464 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 690 states. [2024-05-03 04:34:47,464 INFO L212 cStratifiedReduction]: Copied states 21 times. [2024-05-03 04:34:47,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:34:47,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:34:47,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:34:47,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:34:47,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:34:47,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:34:47,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:34:47,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:34:47,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:34:47,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:34:47,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:34:47,465 INFO L78 Accepts]: Start accepts. Automaton has currently 734 states, but on-demand construction may add more states Word has length 192 [2024-05-03 04:34:47,466 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:34:47,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-05-03 04:34:47,671 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,SelfDestructingSolverStorable10 [2024-05-03 04:34:47,671 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:34:47,672 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:34:47,672 INFO L85 PathProgramCache]: Analyzing trace with hash 646879319, now seen corresponding path program 9 times [2024-05-03 04:34:47,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:34:47,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691722939] [2024-05-03 04:34:47,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:34:47,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:34:47,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:34:50,180 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 501 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:34:50,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:34:50,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691722939] [2024-05-03 04:34:50,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691722939] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 04:34:50,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641431230] [2024-05-03 04:34:50,181 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 04:34:50,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:34:50,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:34:50,182 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 04:34:50,185 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 04:34:50,877 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-05-03 04:34:50,877 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 04:34:50,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 90 conjunts are in the unsatisfiable core [2024-05-03 04:34:50,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 04:34:55,417 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 1 proven. 500 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:34:55,417 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 04:35:02,298 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 501 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:35:02,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1641431230] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 04:35:02,299 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 04:35:02,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 43] total 130 [2024-05-03 04:35:02,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614417749] [2024-05-03 04:35:02,299 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 04:35:02,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 130 states [2024-05-03 04:35:02,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:35:02,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2024-05-03 04:35:02,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=364, Invalid=16406, Unknown=0, NotChecked=0, Total=16770 [2024-05-03 04:35:02,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:02,305 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:35:02,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 130 states, 130 states have (on average 3.6076923076923078) internal successors, (469), 130 states have internal predecessors, (469), 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 04:35:02,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:02,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:35:02,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:35:02,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:35:02,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:35:02,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:35:02,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:35:02,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:35:02,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:35:02,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:35:02,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:35:02,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:02,306 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:35:17,651 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:17,652 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:17,652 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:17,654 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:17,654 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:17,654 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:17,702 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:17,703 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:17,703 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:17,719 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:17,719 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:17,720 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:17,764 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:17,764 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:17,764 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:17,768 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:17,768 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:17,768 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:17,787 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:17,788 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:17,788 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:17,800 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:17,800 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:17,801 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:17,804 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:17,804 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:17,804 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:17,809 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:17,809 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:17,809 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:17,811 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:17,811 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:17,811 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:17,992 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 738 states. [2024-05-03 04:35:17,992 INFO L212 cStratifiedReduction]: Copied states 14 times. [2024-05-03 04:35:17,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:17,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:35:17,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:35:17,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:35:17,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:35:17,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:35:17,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:35:17,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:35:17,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:35:17,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:35:17,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:35:17,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:35:17,993 INFO L78 Accepts]: Start accepts. Automaton has currently 791 states, but on-demand construction may add more states Word has length 199 [2024-05-03 04:35:17,995 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:35:18,003 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 04:35:18,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:35:18,200 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:35:18,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:35:18,201 INFO L85 PathProgramCache]: Analyzing trace with hash 19461436, now seen corresponding path program 10 times [2024-05-03 04:35:18,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:35:18,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334254421] [2024-05-03 04:35:18,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:35:18,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:35:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:35:18,615 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 99 proven. 481 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 04:35:18,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:35:18,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334254421] [2024-05-03 04:35:18,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334254421] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 04:35:18,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384328731] [2024-05-03 04:35:18,615 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-03 04:35:18,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:35:18,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:35:18,616 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 04:35:18,618 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 04:35:18,710 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-03 04:35:18,710 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 04:35:18,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 28 conjunts are in the unsatisfiable core [2024-05-03 04:35:18,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 04:35:19,060 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 161 proven. 419 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 04:35:19,060 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 04:35:19,354 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 118 proven. 462 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 04:35:19,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384328731] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 04:35:19,354 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 04:35:19,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 46 [2024-05-03 04:35:19,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379807629] [2024-05-03 04:35:19,357 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 04:35:19,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-05-03 04:35:19,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:35:19,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-05-03 04:35:19,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=293, Invalid=1777, Unknown=0, NotChecked=0, Total=2070 [2024-05-03 04:35:19,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:19,359 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:35:19,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 5.478260869565218) internal successors, (252), 46 states have internal predecessors, (252), 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 04:35:19,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:19,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:35:19,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:35:19,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:35:19,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:35:19,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:35:19,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:35:19,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:35:19,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:35:19,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:35:19,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:35:19,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:35:19,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:19,359 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:35:19,729 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:19,729 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:19,729 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:19,730 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:19,730 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:19,730 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:19,733 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:19,733 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:19,734 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:19,735 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:19,735 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:19,735 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:19,738 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:19,738 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:19,738 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:19,740 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:19,741 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:19,741 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:20,067 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:20,067 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:20,067 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:20,069 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:20,069 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:20,069 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:20,071 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:20,071 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:20,071 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:20,075 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:20,075 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:20,075 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:20,078 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:20,078 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:20,078 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:20,089 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 760 states. [2024-05-03 04:35:20,090 INFO L212 cStratifiedReduction]: Copied states 14 times. [2024-05-03 04:35:20,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:20,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:35:20,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:35:20,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:35:20,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:35:20,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:35:20,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:35:20,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:35:20,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:35:20,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:35:20,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:35:20,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:35:20,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:35:20,091 INFO L78 Accepts]: Start accepts. Automaton has currently 813 states, but on-demand construction may add more states Word has length 206 [2024-05-03 04:35:20,092 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:35:20,099 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 04:35:20,297 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,SelfDestructingSolverStorable12 [2024-05-03 04:35:20,297 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:35:20,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:35:20,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1825062661, now seen corresponding path program 11 times [2024-05-03 04:35:20,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:35:20,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128521125] [2024-05-03 04:35:20,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:35:20,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:35:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:35:23,981 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 680 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:35:23,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:35:23,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128521125] [2024-05-03 04:35:23,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128521125] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 04:35:23,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [19372447] [2024-05-03 04:35:23,982 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-03 04:35:23,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:35:23,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:35:23,983 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 04:35:23,984 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 04:35:24,759 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-05-03 04:35:24,760 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 04:35:24,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 102 conjunts are in the unsatisfiable core [2024-05-03 04:35:24,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 04:35:30,749 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 680 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:35:30,749 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 04:35:38,661 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 1 proven. 679 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:35:38,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [19372447] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 04:35:38,661 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 04:35:38,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 54, 48] total 144 [2024-05-03 04:35:38,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397389132] [2024-05-03 04:35:38,661 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 04:35:38,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 144 states [2024-05-03 04:35:38,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:35:38,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 144 interpolants. [2024-05-03 04:35:38,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=480, Invalid=20112, Unknown=0, NotChecked=0, Total=20592 [2024-05-03 04:35:38,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:38,668 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:35:38,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 144 states, 144 states have (on average 3.5277777777777777) internal successors, (508), 144 states have internal predecessors, (508), 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 04:35:38,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:38,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:35:38,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:35:38,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:35:38,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:35:38,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:35:38,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:35:38,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:35:38,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:35:38,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:35:38,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:35:38,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:35:38,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:35:38,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:38,670 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:35:49,570 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:49,570 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:49,570 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:49,571 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:49,571 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:49,571 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:49,575 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:49,575 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:49,575 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:49,584 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:49,584 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:49,584 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:49,586 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:49,586 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:49,586 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:49,587 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:49,588 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:49,588 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:49,589 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:49,589 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:49,589 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:49,595 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:49,595 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:49,595 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:49,597 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:49,597 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:49,597 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:49,599 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:49,599 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:49,599 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:49,603 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:49,604 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:49,604 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:49,605 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:49,605 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:49,606 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:49,769 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 756 states. [2024-05-03 04:35:49,769 INFO L212 cStratifiedReduction]: Copied states 21 times. [2024-05-03 04:35:49,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:49,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:35:49,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:35:49,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:35:49,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:35:49,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:35:49,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:35:49,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:35:49,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:35:49,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:35:49,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:35:49,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:35:49,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:35:49,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-03 04:35:49,781 INFO L78 Accepts]: Start accepts. Automaton has currently 800 states, but on-demand construction may add more states Word has length 213 [2024-05-03 04:35:49,783 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:35:49,788 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 04:35:49,983 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,SelfDestructingSolverStorable13 [2024-05-03 04:35:49,983 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:35:49,984 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:35:49,984 INFO L85 PathProgramCache]: Analyzing trace with hash -313022678, now seen corresponding path program 12 times [2024-05-03 04:35:49,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:35:49,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370686875] [2024-05-03 04:35:49,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:35:49,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:35:50,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:35:50,466 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 136 proven. 637 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 04:35:50,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:35:50,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370686875] [2024-05-03 04:35:50,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370686875] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 04:35:50,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1084489839] [2024-05-03 04:35:50,467 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-03 04:35:50,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:35:50,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:35:50,477 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 04:35:50,517 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 04:35:50,696 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2024-05-03 04:35:50,696 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 04:35:50,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 32 conjunts are in the unsatisfiable core [2024-05-03 04:35:50,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 04:35:51,125 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 211 proven. 562 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 04:35:51,125 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 04:35:51,501 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 161 proven. 612 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 04:35:51,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1084489839] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 04:35:51,502 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 04:35:51,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 52 [2024-05-03 04:35:51,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003102477] [2024-05-03 04:35:51,502 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 04:35:51,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-05-03 04:35:51,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:35:51,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-05-03 04:35:51,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=365, Invalid=2287, Unknown=0, NotChecked=0, Total=2652 [2024-05-03 04:35:51,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:51,504 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:35:51,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 5.25) internal successors, (273), 52 states have internal predecessors, (273), 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 04:35:51,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:51,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:35:51,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:35:51,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:35:51,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:35:51,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:35:51,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:35:51,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:35:51,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:35:51,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:35:51,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:35:51,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:35:51,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:35:51,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-03 04:35:51,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:51,505 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:35:51,835 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:51,836 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:51,837 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:51,838 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:51,838 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:51,838 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:51,886 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:51,886 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:51,886 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:52,164 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:52,164 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:52,164 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:52,166 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:52,166 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:52,166 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:52,167 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:52,168 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:52,168 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:52,169 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:52,169 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:52,169 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:52,177 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:52,178 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:35:52,178 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:52,179 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:52,179 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:52,179 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:52,181 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:52,182 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:52,182 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:52,186 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:52,186 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:52,186 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:52,189 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:35:52,189 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:52,189 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:35:52,217 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 778 states. [2024-05-03 04:35:52,217 INFO L212 cStratifiedReduction]: Copied states 21 times. [2024-05-03 04:35:52,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:35:52,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:35:52,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:35:52,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:35:52,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:35:52,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:35:52,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:35:52,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:35:52,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:35:52,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:35:52,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:35:52,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:35:52,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:35:52,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-03 04:35:52,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-03 04:35:52,219 INFO L78 Accepts]: Start accepts. Automaton has currently 822 states, but on-demand construction may add more states Word has length 220 [2024-05-03 04:35:52,221 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:35:52,237 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 04:35:52,426 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,SelfDestructingSolverStorable14 [2024-05-03 04:35:52,427 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:35:52,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:35:52,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1412965719, now seen corresponding path program 13 times [2024-05-03 04:35:52,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:35:52,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307904746] [2024-05-03 04:35:52,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:35:52,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:35:52,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:35:56,758 INFO L134 CoverageAnalysis]: Checked inductivity of 887 backedges. 0 proven. 887 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:35:56,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:35:56,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307904746] [2024-05-03 04:35:56,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307904746] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 04:35:56,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733052317] [2024-05-03 04:35:56,759 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-03 04:35:56,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:35:56,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:35:56,761 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 04:35:56,763 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 04:35:57,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:35:57,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 114 conjunts are in the unsatisfiable core [2024-05-03 04:35:57,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 04:36:04,964 INFO L134 CoverageAnalysis]: Checked inductivity of 887 backedges. 0 proven. 887 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:36:04,964 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 04:36:14,872 INFO L134 CoverageAnalysis]: Checked inductivity of 887 backedges. 1 proven. 886 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:36:14,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733052317] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 04:36:14,872 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 04:36:14,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 60, 53] total 161 [2024-05-03 04:36:14,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736625414] [2024-05-03 04:36:14,873 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 04:36:14,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 161 states [2024-05-03 04:36:14,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:36:14,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2024-05-03 04:36:14,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=532, Invalid=25228, Unknown=0, NotChecked=0, Total=25760 [2024-05-03 04:36:14,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:36:14,876 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:36:14,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 161 states, 161 states have (on average 3.4161490683229814) internal successors, (550), 161 states have internal predecessors, (550), 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 04:36:14,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:36:14,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:36:14,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:36:14,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:36:14,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:36:14,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:36:14,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:36:14,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:36:14,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:36:14,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:36:14,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:36:14,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:36:14,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:36:14,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-03 04:36:14,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-03 04:36:14,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:36:14,877 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:36:27,957 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:36:27,957 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:36:27,957 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:27,959 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:36:27,959 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:27,959 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:27,963 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:36:27,963 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:27,964 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:27,977 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:36:27,977 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:36:27,977 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:27,978 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:36:27,978 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:27,979 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:27,980 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:36:27,980 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:27,981 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:27,982 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:36:27,982 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:27,982 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:27,988 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:36:27,988 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:36:27,988 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:27,990 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:36:27,990 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:27,990 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:27,992 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:36:27,992 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:27,992 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:27,999 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:36:27,999 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:27,999 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:28,002 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:36:28,003 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:28,003 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:28,167 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 800 states. [2024-05-03 04:36:28,167 INFO L212 cStratifiedReduction]: Copied states 21 times. [2024-05-03 04:36:28,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:36:28,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:36:28,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:36:28,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:36:28,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:36:28,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:36:28,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:36:28,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:36:28,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:36:28,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:36:28,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:36:28,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:36:28,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:36:28,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-03 04:36:28,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-03 04:36:28,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-03 04:36:28,168 INFO L78 Accepts]: Start accepts. Automaton has currently 844 states, but on-demand construction may add more states Word has length 227 [2024-05-03 04:36:28,170 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:36:28,175 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 04:36:28,375 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,SelfDestructingSolverStorable15 [2024-05-03 04:36:28,375 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:36:28,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:36:28,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1315432636, now seen corresponding path program 14 times [2024-05-03 04:36:28,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:36:28,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919099466] [2024-05-03 04:36:28,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:36:28,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:36:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:36:29,026 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 180 proven. 814 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 04:36:29,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:36:29,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919099466] [2024-05-03 04:36:29,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919099466] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 04:36:29,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507344567] [2024-05-03 04:36:29,026 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 04:36:29,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:36:29,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:36:29,028 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 04:36:29,030 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 04:36:29,133 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 04:36:29,133 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 04:36:29,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 36 conjunts are in the unsatisfiable core [2024-05-03 04:36:29,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 04:36:29,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 268 proven. 726 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 04:36:29,627 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 04:36:30,088 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 211 proven. 783 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 04:36:30,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [507344567] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 04:36:30,088 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 04:36:30,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 58 [2024-05-03 04:36:30,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836946550] [2024-05-03 04:36:30,088 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 04:36:30,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-05-03 04:36:30,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:36:30,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-05-03 04:36:30,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=445, Invalid=2861, Unknown=0, NotChecked=0, Total=3306 [2024-05-03 04:36:30,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:36:30,090 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:36:30,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 5.068965517241379) internal successors, (294), 58 states have internal predecessors, (294), 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 04:36:30,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:36:30,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:36:30,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:36:30,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:36:30,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:36:30,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:36:30,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:36:30,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:36:30,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:36:30,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:36:30,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:36:30,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:36:30,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:36:30,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-03 04:36:30,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-03 04:36:30,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-03 04:36:30,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:36:30,091 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:36:30,773 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:36:30,774 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:36:30,774 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:30,775 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:36:30,775 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:30,775 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:30,778 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:36:30,778 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:30,778 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:31,315 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:36:31,315 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:36:31,315 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:31,317 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:36:31,318 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:31,318 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:31,320 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:36:31,320 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:31,320 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:31,326 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:36:31,326 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:31,326 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:31,341 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:36:31,341 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:36:31,341 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:31,343 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:36:31,343 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:31,343 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:31,347 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:36:31,348 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:31,348 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:31,352 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:36:31,352 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:31,352 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:31,385 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:36:31,385 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:31,385 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:36:31,400 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 822 states. [2024-05-03 04:36:31,400 INFO L212 cStratifiedReduction]: Copied states 21 times. [2024-05-03 04:36:31,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:36:31,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:36:31,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:36:31,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:36:31,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:36:31,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:36:31,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:36:31,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:36:31,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:36:31,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:36:31,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:36:31,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:36:31,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:36:31,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-03 04:36:31,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-03 04:36:31,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-03 04:36:31,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-03 04:36:31,401 INFO L78 Accepts]: Start accepts. Automaton has currently 866 states, but on-demand construction may add more states Word has length 234 [2024-05-03 04:36:31,403 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:36:31,428 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-05-03 04:36:31,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-05-03 04:36:31,604 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:36:31,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:36:31,604 INFO L85 PathProgramCache]: Analyzing trace with hash 200825733, now seen corresponding path program 15 times [2024-05-03 04:36:31,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:36:31,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577017039] [2024-05-03 04:36:31,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:36:31,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:36:31,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:36:34,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:36:34,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:36:34,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577017039] [2024-05-03 04:36:34,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577017039] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 04:36:34,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164139526] [2024-05-03 04:36:34,606 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 04:36:34,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:36:34,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:36:34,607 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 04:36:34,609 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 04:36:34,965 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-05-03 04:36:34,965 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 04:36:34,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 126 conjunts are in the unsatisfiable core [2024-05-03 04:36:34,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 04:36:41,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 1 proven. 1121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:36:41,401 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 04:36:48,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:36:48,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [164139526] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 04:36:48,650 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 04:36:48,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 66, 58] total 170 [2024-05-03 04:36:48,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156929516] [2024-05-03 04:36:48,651 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 04:36:48,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 170 states [2024-05-03 04:36:48,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:36:48,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 170 interpolants. [2024-05-03 04:36:48,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=442, Invalid=28288, Unknown=0, NotChecked=0, Total=28730 [2024-05-03 04:36:48,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:36:48,664 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:36:48,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 170 states, 170 states have (on average 3.2529411764705882) internal successors, (553), 170 states have internal predecessors, (553), 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 04:36:48,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:36:48,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:36:48,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:36:48,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:36:48,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:36:48,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:36:48,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:36:48,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:36:48,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:36:48,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:36:48,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:36:48,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:36:48,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:36:48,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-03 04:36:48,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-03 04:36:48,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-03 04:36:48,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-05-03 04:36:48,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:36:48,665 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:37:08,268 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:37:08,268 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:37:08,268 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:08,270 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:37:08,270 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:08,270 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:08,276 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:37:08,276 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:08,276 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:08,278 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:37:08,278 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:08,278 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:08,342 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:37:08,342 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:08,342 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:08,347 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:37:08,347 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:08,347 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:08,365 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:37:08,365 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:37:08,365 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:08,366 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:37:08,366 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:08,366 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:08,369 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:37:08,369 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:08,369 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:08,373 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:37:08,374 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:08,374 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:08,377 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:37:08,377 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:08,377 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:08,562 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 870 states. [2024-05-03 04:37:08,562 INFO L212 cStratifiedReduction]: Copied states 14 times. [2024-05-03 04:37:08,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:37:08,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:37:08,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:37:08,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:37:08,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:37:08,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:37:08,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:37:08,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:37:08,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:37:08,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:37:08,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:37:08,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:37:08,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:37:08,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-03 04:37:08,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-03 04:37:08,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-03 04:37:08,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-03 04:37:08,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-03 04:37:08,563 INFO L78 Accepts]: Start accepts. Automaton has currently 923 states, but on-demand construction may add more states Word has length 241 [2024-05-03 04:37:08,565 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:37:08,571 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 04:37:08,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-05-03 04:37:08,766 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:37:08,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:37:08,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1654142422, now seen corresponding path program 16 times [2024-05-03 04:37:08,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:37:08,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448027568] [2024-05-03 04:37:08,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:37:08,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:37:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:37:09,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1250 backedges. 231 proven. 1012 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 04:37:09,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:37:09,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448027568] [2024-05-03 04:37:09,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448027568] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 04:37:09,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508405021] [2024-05-03 04:37:09,378 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-03 04:37:09,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:37:09,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:37:09,380 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 04:37:09,382 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 04:37:09,484 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-03 04:37:09,484 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 04:37:09,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 40 conjunts are in the unsatisfiable core [2024-05-03 04:37:09,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 04:37:10,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1250 backedges. 332 proven. 911 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 04:37:10,101 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 04:37:10,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1250 backedges. 268 proven. 975 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 04:37:10,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [508405021] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 04:37:10,659 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 04:37:10,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41, 41] total 64 [2024-05-03 04:37:10,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497013701] [2024-05-03 04:37:10,659 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 04:37:10,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-05-03 04:37:10,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:37:10,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-05-03 04:37:10,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=533, Invalid=3499, Unknown=0, NotChecked=0, Total=4032 [2024-05-03 04:37:10,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:37:10,661 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:37:10,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 4.921875) internal successors, (315), 64 states have internal predecessors, (315), 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 04:37:10,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:37:10,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:37:10,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:37:10,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:37:10,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:37:10,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:37:10,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:37:10,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:37:10,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:37:10,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:37:10,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:37:10,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:37:10,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:37:10,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-03 04:37:10,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-03 04:37:10,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-03 04:37:10,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-05-03 04:37:10,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-03 04:37:10,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:37:10,662 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:37:11,297 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:37:11,297 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:37:11,297 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:11,299 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:37:11,299 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:11,299 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:11,302 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:37:11,303 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:11,303 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:11,304 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:37:11,305 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:11,305 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:11,307 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:37:11,307 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:11,307 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:11,310 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:37:11,310 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:11,310 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:11,717 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:37:11,718 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:37:11,718 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:11,719 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:37:11,719 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:11,719 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:11,721 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:37:11,722 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:11,722 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:11,726 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:37:11,726 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:11,726 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:11,729 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:37:11,729 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:11,729 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:11,738 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 892 states. [2024-05-03 04:37:11,738 INFO L212 cStratifiedReduction]: Copied states 14 times. [2024-05-03 04:37:11,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:37:11,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:37:11,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:37:11,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:37:11,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:37:11,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:37:11,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:37:11,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:37:11,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:37:11,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:37:11,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:37:11,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:37:11,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:37:11,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-03 04:37:11,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-03 04:37:11,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-03 04:37:11,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-03 04:37:11,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-03 04:37:11,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-05-03 04:37:11,739 INFO L78 Accepts]: Start accepts. Automaton has currently 945 states, but on-demand construction may add more states Word has length 248 [2024-05-03 04:37:11,742 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:37:11,747 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-05-03 04:37:11,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:37:11,947 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:37:11,947 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:37:11,947 INFO L85 PathProgramCache]: Analyzing trace with hash 994746967, now seen corresponding path program 17 times [2024-05-03 04:37:11,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:37:11,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393685209] [2024-05-03 04:37:11,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:37:11,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:37:11,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:37:17,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1385 backedges. 0 proven. 1385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:37:17,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:37:17,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393685209] [2024-05-03 04:37:17,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393685209] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 04:37:17,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575858790] [2024-05-03 04:37:17,500 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-03 04:37:17,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:37:17,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:37:17,501 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 04:37:17,503 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 04:37:17,811 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2024-05-03 04:37:17,811 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 04:37:17,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 138 conjunts are in the unsatisfiable core [2024-05-03 04:37:17,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 04:37:26,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1385 backedges. 0 proven. 1385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:37:26,915 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 04:37:41,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1385 backedges. 1 proven. 1384 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:37:41,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575858790] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 04:37:41,200 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 04:37:41,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [72, 72, 63] total 195 [2024-05-03 04:37:41,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979830708] [2024-05-03 04:37:41,200 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 04:37:41,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 195 states [2024-05-03 04:37:41,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:37:41,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 195 interpolants. [2024-05-03 04:37:41,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=636, Invalid=37194, Unknown=0, NotChecked=0, Total=37830 [2024-05-03 04:37:41,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:37:41,203 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:37:41,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 195 states, 195 states have (on average 3.2512820512820513) internal successors, (634), 195 states have internal predecessors, (634), 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 04:37:41,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:37:41,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:37:41,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:37:41,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:37:41,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:37:41,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:37:41,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:37:41,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:37:41,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:37:41,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:37:41,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:37:41,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:37:41,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:37:41,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-03 04:37:41,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-03 04:37:41,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-03 04:37:41,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-05-03 04:37:41,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-03 04:37:41,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-05-03 04:37:41,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:37:41,205 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:37:59,005 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:37:59,005 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:37:59,005 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:59,008 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:37:59,008 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:59,008 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:59,013 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:37:59,014 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:59,014 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:59,026 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:37:59,027 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:37:59,027 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:59,028 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:37:59,028 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:59,028 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:59,030 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:37:59,030 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:59,030 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:59,032 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:37:59,032 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:59,032 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:59,038 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:37:59,039 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:37:59,039 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:59,040 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:37:59,040 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:59,040 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:59,042 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:37:59,043 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:59,043 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:59,047 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:37:59,047 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:59,047 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:59,049 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:37:59,049 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:59,049 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:37:59,249 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 888 states. [2024-05-03 04:37:59,249 INFO L212 cStratifiedReduction]: Copied states 21 times. [2024-05-03 04:37:59,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:37:59,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:37:59,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:37:59,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:37:59,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:37:59,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:37:59,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:37:59,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:37:59,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:37:59,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:37:59,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:37:59,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:37:59,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:37:59,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-03 04:37:59,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-03 04:37:59,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-03 04:37:59,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-03 04:37:59,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-03 04:37:59,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-05-03 04:37:59,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-05-03 04:37:59,250 INFO L78 Accepts]: Start accepts. Automaton has currently 932 states, but on-demand construction may add more states Word has length 255 [2024-05-03 04:37:59,253 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:37:59,258 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-05-03 04:37:59,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:37:59,458 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:37:59,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:37:59,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1351420988, now seen corresponding path program 18 times [2024-05-03 04:37:59,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:37:59,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496036411] [2024-05-03 04:37:59,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:37:59,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:37:59,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:38:00,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1527 backedges. 289 proven. 1231 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 04:38:00,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:38:00,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496036411] [2024-05-03 04:38:00,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496036411] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 04:38:00,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807713719] [2024-05-03 04:38:00,259 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-03 04:38:00,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:38:00,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:38:00,260 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 04:38:00,262 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 04:38:00,474 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2024-05-03 04:38:00,474 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 04:38:00,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 44 conjunts are in the unsatisfiable core [2024-05-03 04:38:00,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 04:38:00,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1527 backedges. 403 proven. 1117 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 04:38:00,978 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 04:38:01,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1527 backedges. 332 proven. 1188 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 04:38:01,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1807713719] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 04:38:01,374 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 04:38:01,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45, 45] total 70 [2024-05-03 04:38:01,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969939448] [2024-05-03 04:38:01,375 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 04:38:01,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2024-05-03 04:38:01,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:38:01,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2024-05-03 04:38:01,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=629, Invalid=4201, Unknown=0, NotChecked=0, Total=4830 [2024-05-03 04:38:01,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:38:01,383 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:38:01,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 4.8) internal successors, (336), 70 states have internal predecessors, (336), 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 04:38:01,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:38:01,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:38:01,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:38:01,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:38:01,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:38:01,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:38:01,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:38:01,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:38:01,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:38:01,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:38:01,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:38:01,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:38:01,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:38:01,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-03 04:38:01,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-03 04:38:01,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-03 04:38:01,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-05-03 04:38:01,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-03 04:38:01,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-05-03 04:38:01,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-05-03 04:38:01,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:38:01,387 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:38:01,914 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:38:01,914 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:38:01,914 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:01,915 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:38:01,915 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:01,915 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:01,918 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:38:01,918 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:01,918 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:02,520 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:38:02,521 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:38:02,521 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:02,522 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:38:02,522 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:02,522 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:02,524 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:38:02,524 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:02,524 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:02,526 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:38:02,526 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:02,526 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:02,536 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:38:02,536 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:38:02,536 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:02,538 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:38:02,538 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:02,538 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:02,540 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:38:02,540 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:02,541 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:02,545 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:38:02,545 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:02,545 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:02,549 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:38:02,549 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:02,549 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:02,560 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 910 states. [2024-05-03 04:38:02,560 INFO L212 cStratifiedReduction]: Copied states 21 times. [2024-05-03 04:38:02,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:38:02,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:38:02,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:38:02,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:38:02,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:38:02,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:38:02,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:38:02,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:38:02,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:38:02,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:38:02,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:38:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:38:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:38:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-03 04:38:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-03 04:38:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-03 04:38:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-03 04:38:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-03 04:38:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-05-03 04:38:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-05-03 04:38:02,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-05-03 04:38:02,561 INFO L78 Accepts]: Start accepts. Automaton has currently 954 states, but on-demand construction may add more states Word has length 262 [2024-05-03 04:38:02,564 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:38:02,569 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 04:38:02,769 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,SelfDestructingSolverStorable20 [2024-05-03 04:38:02,770 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:38:02,770 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:38:02,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1292283, now seen corresponding path program 19 times [2024-05-03 04:38:02,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:38:02,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590083495] [2024-05-03 04:38:02,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:38:02,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:38:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:38:06,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1676 backedges. 0 proven. 1676 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:38:06,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:38:06,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590083495] [2024-05-03 04:38:06,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590083495] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 04:38:06,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512224690] [2024-05-03 04:38:06,665 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-03 04:38:06,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:38:06,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:38:06,667 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 04:38:06,668 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 04:38:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:38:07,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 150 conjunts are in the unsatisfiable core [2024-05-03 04:38:07,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 04:38:15,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1676 backedges. 0 proven. 1676 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:38:15,678 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 04:38:19,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1676 backedges. 1 proven. 1675 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:38:19,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1512224690] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 04:38:19,360 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 04:38:19,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [69, 78, 68] total 151 [2024-05-03 04:38:19,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584862553] [2024-05-03 04:38:19,361 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 04:38:19,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 151 states [2024-05-03 04:38:19,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:38:19,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2024-05-03 04:38:19,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=433, Invalid=22217, Unknown=0, NotChecked=0, Total=22650 [2024-05-03 04:38:19,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:38:19,364 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:38:19,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 151 states, 151 states have (on average 3.2450331125827816) internal successors, (490), 151 states have internal predecessors, (490), 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 04:38:19,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:38:19,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:38:19,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:38:19,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:38:19,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:38:19,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:38:19,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:38:19,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:38:19,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:38:19,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:38:19,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:38:19,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:38:19,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:38:19,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-03 04:38:19,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-03 04:38:19,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-03 04:38:19,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-05-03 04:38:19,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-03 04:38:19,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-05-03 04:38:19,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-05-03 04:38:19,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-05-03 04:38:19,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:38:19,365 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:38:33,239 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:38:33,239 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:38:33,239 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:33,240 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:38:33,241 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:33,241 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:33,245 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:38:33,245 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:33,245 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:33,282 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:38:33,283 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:38:33,283 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:33,284 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:38:33,284 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:33,284 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:33,286 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:38:33,286 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:33,286 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:33,288 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:38:33,288 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:33,288 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:33,296 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:38:33,296 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:38:33,296 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:33,297 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:38:33,297 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:33,297 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:33,300 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:38:33,300 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:33,300 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:33,304 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:38:33,305 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:33,305 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:33,307 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:38:33,307 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:33,307 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:33,467 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 932 states. [2024-05-03 04:38:33,468 INFO L212 cStratifiedReduction]: Copied states 21 times. [2024-05-03 04:38:33,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:38:33,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:38:33,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:38:33,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:38:33,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:38:33,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:38:33,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:38:33,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:38:33,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:38:33,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:38:33,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:38:33,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:38:33,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:38:33,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-03 04:38:33,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-03 04:38:33,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-03 04:38:33,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-03 04:38:33,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-03 04:38:33,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-05-03 04:38:33,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-05-03 04:38:33,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-05-03 04:38:33,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-05-03 04:38:33,469 INFO L78 Accepts]: Start accepts. Automaton has currently 976 states, but on-demand construction may add more states Word has length 269 [2024-05-03 04:38:33,472 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:38:33,489 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 04:38:33,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:38:33,678 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:38:33,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:38:33,678 INFO L85 PathProgramCache]: Analyzing trace with hash 428408106, now seen corresponding path program 20 times [2024-05-03 04:38:33,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:38:33,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774359974] [2024-05-03 04:38:33,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:38:33,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:38:33,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:38:34,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1832 backedges. 354 proven. 1471 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 04:38:34,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:38:34,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774359974] [2024-05-03 04:38:34,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774359974] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 04:38:34,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410917911] [2024-05-03 04:38:34,652 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 04:38:34,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:38:34,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:38:34,653 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 04:38:34,654 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 04:38:34,767 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 04:38:34,767 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 04:38:34,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 48 conjunts are in the unsatisfiable core [2024-05-03 04:38:34,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 04:38:35,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1832 backedges. 481 proven. 1344 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 04:38:35,535 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 04:38:36,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1832 backedges. 403 proven. 1422 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 04:38:36,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410917911] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 04:38:36,291 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 04:38:36,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 49] total 76 [2024-05-03 04:38:36,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093528651] [2024-05-03 04:38:36,291 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 04:38:36,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2024-05-03 04:38:36,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:38:36,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2024-05-03 04:38:36,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=733, Invalid=4967, Unknown=0, NotChecked=0, Total=5700 [2024-05-03 04:38:36,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:38:36,293 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:38:36,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 4.697368421052632) internal successors, (357), 76 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 04:38:36,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:38:36,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:38:36,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:38:36,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:38:36,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:38:36,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:38:36,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:38:36,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:38:36,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:38:36,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:38:36,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:38:36,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:38:36,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:38:36,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-03 04:38:36,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-03 04:38:36,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-03 04:38:36,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-05-03 04:38:36,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-03 04:38:36,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-05-03 04:38:36,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-05-03 04:38:36,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-05-03 04:38:36,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-05-03 04:38:36,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:38:36,295 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:38:36,924 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:38:36,924 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:38:36,924 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:36,925 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:38:36,925 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:36,925 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:36,928 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:38:36,928 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:36,928 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:37,473 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:38:37,473 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:38:37,473 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:37,474 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:38:37,474 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:37,474 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:37,476 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:38:37,476 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:37,476 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:37,478 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:38:37,478 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:37,478 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:37,489 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:38:37,489 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:38:37,489 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:37,490 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:38:37,490 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:37,490 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:37,493 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:38:37,493 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:37,493 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:37,497 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:38:37,497 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:37,497 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:37,506 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:38:37,506 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:37,506 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:38:37,518 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 954 states. [2024-05-03 04:38:37,519 INFO L212 cStratifiedReduction]: Copied states 21 times. [2024-05-03 04:38:37,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:38:37,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:38:37,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:38:37,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:38:37,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:38:37,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:38:37,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:38:37,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:38:37,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:38:37,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:38:37,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:38:37,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:38:37,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:38:37,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-03 04:38:37,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-03 04:38:37,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-03 04:38:37,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-03 04:38:37,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-03 04:38:37,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-05-03 04:38:37,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-05-03 04:38:37,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-05-03 04:38:37,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-05-03 04:38:37,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-05-03 04:38:37,520 INFO L78 Accepts]: Start accepts. Automaton has currently 998 states, but on-demand construction may add more states Word has length 276 [2024-05-03 04:38:37,524 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:38:37,533 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-05-03 04:38:37,734 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,SelfDestructingSolverStorable22 [2024-05-03 04:38:37,734 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:38:37,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:38:37,735 INFO L85 PathProgramCache]: Analyzing trace with hash -470151337, now seen corresponding path program 21 times [2024-05-03 04:38:37,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:38:37,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841642974] [2024-05-03 04:38:37,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:38:37,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:38:37,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:38:44,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1995 backedges. 0 proven. 1995 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:38:44,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:38:44,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841642974] [2024-05-03 04:38:44,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841642974] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 04:38:44,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950820626] [2024-05-03 04:38:44,636 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 04:38:44,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:38:44,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:38:44,638 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 04:38:44,640 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 04:38:45,873 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-05-03 04:38:45,873 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 04:38:45,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 163 conjunts are in the unsatisfiable core [2024-05-03 04:38:45,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 04:38:59,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1995 backedges. 1 proven. 1994 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:38:59,413 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 04:39:24,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1995 backedges. 0 proven. 1995 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:39:24,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1950820626] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 04:39:24,493 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 04:39:24,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [84, 85, 84] total 244 [2024-05-03 04:39:24,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884725887] [2024-05-03 04:39:24,493 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 04:39:24,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 244 states [2024-05-03 04:39:24,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:39:24,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 244 interpolants. [2024-05-03 04:39:24,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=708, Invalid=58584, Unknown=0, NotChecked=0, Total=59292 [2024-05-03 04:39:24,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:39:24,497 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:39:24,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 244 states, 244 states have (on average 2.9549180327868854) internal successors, (721), 244 states have internal predecessors, (721), 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 04:39:24,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:39:24,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:39:24,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:39:24,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:39:24,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:39:24,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:39:24,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:39:24,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:39:24,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:39:24,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:39:24,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:39:24,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:39:24,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:39:24,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-03 04:39:24,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-03 04:39:24,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-03 04:39:24,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-05-03 04:39:24,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-03 04:39:24,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-05-03 04:39:24,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-05-03 04:39:24,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-05-03 04:39:24,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-05-03 04:39:24,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-05-03 04:39:24,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:39:24,499 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:40:13,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 04:40:46,422 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:40:46,422 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:40:46,422 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:46,424 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:40:46,424 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:46,424 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:46,426 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:40:46,426 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:46,426 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:46,428 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:40:46,428 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:46,428 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:46,524 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:40:46,524 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:46,525 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:46,530 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:40:46,530 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:46,530 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:46,610 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:40:46,610 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:40:46,610 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:46,611 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:40:46,612 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:46,612 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:46,614 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:40:46,614 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:46,614 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:46,619 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:40:46,619 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:46,619 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:47,452 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:40:47,452 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:47,452 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:48,432 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1002 states. [2024-05-03 04:40:48,432 INFO L212 cStratifiedReduction]: Copied states 14 times. [2024-05-03 04:40:48,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:40:48,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:40:48,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:40:48,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:40:48,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:40:48,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:40:48,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:40:48,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:40:48,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:40:48,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:40:48,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:40:48,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:40:48,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:40:48,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-03 04:40:48,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-03 04:40:48,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-03 04:40:48,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-03 04:40:48,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-03 04:40:48,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-05-03 04:40:48,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-05-03 04:40:48,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-05-03 04:40:48,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-05-03 04:40:48,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-05-03 04:40:48,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-05-03 04:40:48,434 INFO L78 Accepts]: Start accepts. Automaton has currently 1055 states, but on-demand construction may add more states Word has length 283 [2024-05-03 04:40:48,437 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:40:48,442 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-05-03 04:40:48,642 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,SelfDestructingSolverStorable23 [2024-05-03 04:40:48,643 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:40:48,643 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:40:48,643 INFO L85 PathProgramCache]: Analyzing trace with hash 460087228, now seen corresponding path program 22 times [2024-05-03 04:40:48,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:40:48,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347962972] [2024-05-03 04:40:48,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:40:48,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:40:48,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:40:49,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2165 backedges. 426 proven. 1732 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 04:40:49,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:40:49,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347962972] [2024-05-03 04:40:49,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347962972] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 04:40:49,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [512922095] [2024-05-03 04:40:49,722 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-03 04:40:49,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:40:49,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:40:49,723 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 04:40:49,725 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 04:40:49,842 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-03 04:40:49,843 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 04:40:49,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 52 conjunts are in the unsatisfiable core [2024-05-03 04:40:49,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 04:40:50,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2165 backedges. 566 proven. 1592 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 04:40:50,705 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 04:40:51,554 INFO L134 CoverageAnalysis]: Checked inductivity of 2165 backedges. 481 proven. 1677 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 04:40:51,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [512922095] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 04:40:51,555 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 04:40:51,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53, 53] total 82 [2024-05-03 04:40:51,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965788164] [2024-05-03 04:40:51,555 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 04:40:51,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2024-05-03 04:40:51,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:40:51,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2024-05-03 04:40:51,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=845, Invalid=5797, Unknown=0, NotChecked=0, Total=6642 [2024-05-03 04:40:51,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:40:51,557 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:40:51,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 4.609756097560975) internal successors, (378), 82 states have internal predecessors, (378), 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 04:40:51,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:40:51,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:40:51,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:40:51,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:40:51,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:40:51,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:40:51,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:40:51,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:40:51,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:40:51,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:40:51,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:40:51,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:40:51,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:40:51,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-03 04:40:51,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-03 04:40:51,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-03 04:40:51,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-05-03 04:40:51,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-03 04:40:51,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-05-03 04:40:51,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-05-03 04:40:51,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-05-03 04:40:51,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-05-03 04:40:51,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-05-03 04:40:51,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-05-03 04:40:51,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:40:51,559 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:40:52,330 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:40:52,335 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:40:52,335 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:52,339 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:40:52,339 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:52,339 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:52,343 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:40:52,343 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:52,343 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:52,348 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:40:52,348 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:52,348 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:52,350 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:40:52,351 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:52,351 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:52,353 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:40:52,353 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:52,353 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:52,956 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:40:52,956 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:40:52,956 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:52,957 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:40:52,957 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:52,957 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:52,960 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:40:52,960 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:52,960 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:52,964 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:40:52,965 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:52,965 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:52,987 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:40:52,988 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:52,988 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:40:52,998 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1024 states. [2024-05-03 04:40:52,999 INFO L212 cStratifiedReduction]: Copied states 14 times. [2024-05-03 04:40:52,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:40:52,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:40:52,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:40:52,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:40:52,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:40:52,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:40:52,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:40:52,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:40:52,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:40:52,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:40:52,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:40:52,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:40:52,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:40:52,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-03 04:40:52,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-03 04:40:53,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-03 04:40:53,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-03 04:40:53,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-03 04:40:53,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-05-03 04:40:53,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-05-03 04:40:53,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-05-03 04:40:53,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-05-03 04:40:53,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-05-03 04:40:53,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-05-03 04:40:53,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-05-03 04:40:53,000 INFO L78 Accepts]: Start accepts. Automaton has currently 1077 states, but on-demand construction may add more states Word has length 290 [2024-05-03 04:40:53,004 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:40:53,021 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-05-03 04:40:53,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:40:53,209 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:40:53,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:40:53,209 INFO L85 PathProgramCache]: Analyzing trace with hash -28310395, now seen corresponding path program 23 times [2024-05-03 04:40:53,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:40:53,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899481211] [2024-05-03 04:40:53,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:40:53,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:40:53,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:41:02,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2342 backedges. 0 proven. 2342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:41:02,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:41:02,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899481211] [2024-05-03 04:41:02,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899481211] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 04:41:02,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318412594] [2024-05-03 04:41:02,972 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-03 04:41:02,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:41:02,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:41:02,973 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 04:41:02,974 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 04:41:04,300 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2024-05-03 04:41:04,301 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 04:41:04,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 174 conjunts are in the unsatisfiable core [2024-05-03 04:41:04,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 04:41:22,114 INFO L134 CoverageAnalysis]: Checked inductivity of 2342 backedges. 0 proven. 2342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:41:22,114 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 04:41:46,330 INFO L134 CoverageAnalysis]: Checked inductivity of 2342 backedges. 1 proven. 2341 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:41:46,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318412594] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 04:41:46,330 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 04:41:46,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [90, 90, 78] total 246 [2024-05-03 04:41:46,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732253170] [2024-05-03 04:41:46,330 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 04:41:46,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 246 states [2024-05-03 04:41:46,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:41:46,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 246 interpolants. [2024-05-03 04:41:46,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=792, Invalid=59478, Unknown=0, NotChecked=0, Total=60270 [2024-05-03 04:41:46,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:41:46,334 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:41:46,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 246 states, 246 states have (on average 3.089430894308943) internal successors, (760), 246 states have internal predecessors, (760), 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 04:41:46,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:41:46,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:41:46,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:41:46,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:41:46,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:41:46,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:41:46,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:41:46,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:41:46,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:41:46,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:41:46,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:41:46,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:41:46,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:41:46,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-03 04:41:46,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-03 04:41:46,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-03 04:41:46,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-05-03 04:41:46,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-03 04:41:46,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-05-03 04:41:46,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-05-03 04:41:46,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-05-03 04:41:46,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-05-03 04:41:46,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-05-03 04:41:46,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-05-03 04:41:46,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-05-03 04:41:46,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:41:46,336 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:42:18,269 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:42:18,269 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:42:18,269 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:18,270 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:42:18,270 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:18,270 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:18,274 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:42:18,274 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:18,274 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:18,314 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:42:18,315 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:42:18,315 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:18,316 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:42:18,316 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:18,316 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:18,332 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:42:18,332 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:18,332 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:18,348 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:42:18,348 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:18,348 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:18,354 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:42:18,354 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:42:18,355 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:18,356 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:42:18,356 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:18,356 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:18,358 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:42:18,358 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:18,358 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:18,362 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:42:18,362 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:18,362 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:18,364 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:42:18,364 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:18,364 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:18,616 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1020 states. [2024-05-03 04:42:18,616 INFO L212 cStratifiedReduction]: Copied states 21 times. [2024-05-03 04:42:18,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:42:18,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:42:18,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:42:18,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:42:18,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:42:18,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:42:18,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:42:18,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:42:18,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:42:18,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:42:18,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:42:18,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:42:18,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:42:18,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-03 04:42:18,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-03 04:42:18,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-03 04:42:18,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-03 04:42:18,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-03 04:42:18,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-05-03 04:42:18,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-05-03 04:42:18,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-05-03 04:42:18,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-05-03 04:42:18,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-05-03 04:42:18,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-05-03 04:42:18,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-05-03 04:42:18,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-05-03 04:42:18,617 INFO L78 Accepts]: Start accepts. Automaton has currently 1064 states, but on-demand construction may add more states Word has length 297 [2024-05-03 04:42:18,621 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:42:18,629 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-05-03 04:42:18,822 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,SelfDestructingSolverStorable25 [2024-05-03 04:42:18,822 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:42:18,822 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:42:18,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1258766378, now seen corresponding path program 24 times [2024-05-03 04:42:18,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:42:18,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405384833] [2024-05-03 04:42:18,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:42:18,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:42:18,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:42:20,015 INFO L134 CoverageAnalysis]: Checked inductivity of 2526 backedges. 505 proven. 2014 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 04:42:20,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:42:20,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405384833] [2024-05-03 04:42:20,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405384833] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 04:42:20,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228091357] [2024-05-03 04:42:20,016 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-03 04:42:20,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:42:20,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:42:20,017 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 04:42:20,019 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 04:42:20,243 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2024-05-03 04:42:20,244 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 04:42:20,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 56 conjunts are in the unsatisfiable core [2024-05-03 04:42:20,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 04:42:21,031 INFO L134 CoverageAnalysis]: Checked inductivity of 2526 backedges. 658 proven. 1861 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 04:42:21,031 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 04:42:21,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2526 backedges. 566 proven. 1953 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 04:42:21,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [228091357] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 04:42:21,726 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 04:42:21,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 57, 57] total 88 [2024-05-03 04:42:21,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037109811] [2024-05-03 04:42:21,727 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 04:42:21,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2024-05-03 04:42:21,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:42:21,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2024-05-03 04:42:21,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=965, Invalid=6691, Unknown=0, NotChecked=0, Total=7656 [2024-05-03 04:42:21,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:42:21,729 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:42:21,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 4.534090909090909) internal successors, (399), 88 states have internal predecessors, (399), 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 04:42:21,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:42:21,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:42:21,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:42:21,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:42:21,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:42:21,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:42:21,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:42:21,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:42:21,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:42:21,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:42:21,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:42:21,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:42:21,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:42:21,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-03 04:42:21,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-03 04:42:21,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-03 04:42:21,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-05-03 04:42:21,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-03 04:42:21,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-05-03 04:42:21,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-05-03 04:42:21,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-05-03 04:42:21,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-05-03 04:42:21,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-05-03 04:42:21,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-05-03 04:42:21,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-05-03 04:42:21,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-05-03 04:42:21,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:42:21,730 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:42:22,944 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:42:22,944 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:42:22,944 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:22,946 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:42:22,946 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:22,946 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:22,948 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:42:22,948 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:22,948 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:23,633 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:42:23,633 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:42:23,633 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:23,634 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:42:23,634 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:23,634 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:23,636 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:42:23,636 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:23,636 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:23,638 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:42:23,638 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:23,638 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:23,648 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:42:23,648 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:42:23,648 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:23,649 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:42:23,649 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:23,649 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:23,652 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:42:23,652 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:23,652 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:23,656 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:42:23,656 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:23,656 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:23,664 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:42:23,664 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:23,664 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:42:23,676 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1042 states. [2024-05-03 04:42:23,676 INFO L212 cStratifiedReduction]: Copied states 21 times. [2024-05-03 04:42:23,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:42:23,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:42:23,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:42:23,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:42:23,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:42:23,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:42:23,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:42:23,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:42:23,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:42:23,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:42:23,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:42:23,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:42:23,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:42:23,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-03 04:42:23,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-03 04:42:23,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-03 04:42:23,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-03 04:42:23,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-03 04:42:23,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-05-03 04:42:23,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-05-03 04:42:23,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-05-03 04:42:23,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-05-03 04:42:23,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-05-03 04:42:23,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-05-03 04:42:23,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-05-03 04:42:23,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-05-03 04:42:23,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-05-03 04:42:23,683 INFO L78 Accepts]: Start accepts. Automaton has currently 1086 states, but on-demand construction may add more states Word has length 304 [2024-05-03 04:42:23,687 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:42:23,692 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 04:42:23,892 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,SelfDestructingSolverStorable26 [2024-05-03 04:42:23,892 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:42:23,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:42:23,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1753584553, now seen corresponding path program 25 times [2024-05-03 04:42:23,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:42:23,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592286657] [2024-05-03 04:42:23,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:42:23,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:42:23,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:42:33,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2717 backedges. 0 proven. 2717 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:42:33,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:42:33,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592286657] [2024-05-03 04:42:33,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592286657] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 04:42:33,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259257866] [2024-05-03 04:42:33,234 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-03 04:42:33,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:42:33,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:42:33,235 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 04:42:33,236 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 04:42:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:42:33,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 186 conjunts are in the unsatisfiable core [2024-05-03 04:42:33,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 04:42:49,338 INFO L134 CoverageAnalysis]: Checked inductivity of 2717 backedges. 0 proven. 2717 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:42:49,339 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 04:43:15,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2717 backedges. 1 proven. 2716 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:43:15,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [259257866] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 04:43:15,962 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 04:43:15,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 83] total 263 [2024-05-03 04:43:15,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339619538] [2024-05-03 04:43:15,963 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 04:43:15,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 263 states [2024-05-03 04:43:15,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:43:15,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 263 interpolants. [2024-05-03 04:43:15,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=844, Invalid=68062, Unknown=0, NotChecked=0, Total=68906 [2024-05-03 04:43:15,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:43:15,967 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:43:15,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 263 states, 263 states have (on average 3.049429657794677) internal successors, (802), 263 states have internal predecessors, (802), 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 04:43:15,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:43:15,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:43:15,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:43:15,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:43:15,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:43:15,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:43:15,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:43:15,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:43:15,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:43:15,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:43:15,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:43:15,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:43:15,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:43:15,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-03 04:43:15,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-03 04:43:15,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-03 04:43:15,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-05-03 04:43:15,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-03 04:43:15,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-05-03 04:43:15,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-05-03 04:43:15,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-05-03 04:43:15,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-05-03 04:43:15,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-05-03 04:43:15,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-05-03 04:43:15,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-05-03 04:43:15,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-05-03 04:43:15,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2024-05-03 04:43:15,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:43:15,968 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:43:48,279 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:43:48,280 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:43:48,280 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:48,281 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:43:48,281 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:48,281 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:48,286 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:43:48,286 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:48,286 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:48,308 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:43:48,308 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:43:48,308 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:48,309 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:43:48,309 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:48,309 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:48,311 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:43:48,311 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:48,311 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:48,313 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:43:48,313 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:48,313 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:48,319 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:43:48,320 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:43:48,320 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:48,321 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:43:48,321 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:48,321 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:48,324 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:43:48,324 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:48,324 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:48,328 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:43:48,328 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:48,328 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:48,330 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:43:48,330 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:48,330 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:48,593 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1064 states. [2024-05-03 04:43:48,593 INFO L212 cStratifiedReduction]: Copied states 21 times. [2024-05-03 04:43:48,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:43:48,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:43:48,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:43:48,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:43:48,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:43:48,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:43:48,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:43:48,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:43:48,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:43:48,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:43:48,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:43:48,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:43:48,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:43:48,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-03 04:43:48,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-03 04:43:48,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-03 04:43:48,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-03 04:43:48,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-03 04:43:48,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-05-03 04:43:48,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-05-03 04:43:48,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-05-03 04:43:48,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-05-03 04:43:48,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-05-03 04:43:48,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-05-03 04:43:48,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-05-03 04:43:48,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-05-03 04:43:48,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-05-03 04:43:48,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-05-03 04:43:48,594 INFO L78 Accepts]: Start accepts. Automaton has currently 1108 states, but on-demand construction may add more states Word has length 311 [2024-05-03 04:43:48,599 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:43:48,604 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 04:43:48,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-05-03 04:43:48,800 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:43:48,800 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:43:48,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1406788412, now seen corresponding path program 26 times [2024-05-03 04:43:48,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:43:48,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711275429] [2024-05-03 04:43:48,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:43:48,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:43:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:43:50,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2915 backedges. 591 proven. 2317 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 04:43:50,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:43:50,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711275429] [2024-05-03 04:43:50,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711275429] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 04:43:50,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1269808970] [2024-05-03 04:43:50,212 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 04:43:50,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:43:50,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:43:50,214 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 04:43:50,214 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 04:43:50,338 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 04:43:50,339 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 04:43:50,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 60 conjunts are in the unsatisfiable core [2024-05-03 04:43:50,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 04:43:51,427 INFO L134 CoverageAnalysis]: Checked inductivity of 2915 backedges. 757 proven. 2151 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 04:43:51,428 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 04:43:52,503 INFO L134 CoverageAnalysis]: Checked inductivity of 2915 backedges. 658 proven. 2250 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 04:43:52,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1269808970] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 04:43:52,503 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 04:43:52,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [61, 61, 61] total 94 [2024-05-03 04:43:52,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354698248] [2024-05-03 04:43:52,503 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 04:43:52,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2024-05-03 04:43:52,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:43:52,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2024-05-03 04:43:52,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1093, Invalid=7649, Unknown=0, NotChecked=0, Total=8742 [2024-05-03 04:43:52,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:43:52,506 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:43:52,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 4.468085106382978) internal successors, (420), 94 states have internal predecessors, (420), 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 04:43:52,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:43:52,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:43:52,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:43:52,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:43:52,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:43:52,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:43:52,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:43:52,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:43:52,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:43:52,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:43:52,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:43:52,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:43:52,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:43:52,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-03 04:43:52,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-03 04:43:52,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-03 04:43:52,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-05-03 04:43:52,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-03 04:43:52,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-05-03 04:43:52,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-05-03 04:43:52,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-05-03 04:43:52,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-05-03 04:43:52,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-05-03 04:43:52,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-05-03 04:43:52,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-05-03 04:43:52,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-05-03 04:43:52,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2024-05-03 04:43:52,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-05-03 04:43:52,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:43:52,508 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:43:53,943 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:43:53,943 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:43:53,943 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:53,944 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:43:53,945 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:53,945 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:53,947 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:43:53,947 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:53,947 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:54,965 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:43:54,965 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:43:54,965 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:54,967 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:43:54,967 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:54,967 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:54,969 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:43:54,969 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:54,969 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:54,971 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:43:54,971 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:54,971 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:54,983 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:43:54,983 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:43:54,983 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:54,985 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:43:54,985 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:54,985 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:54,988 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:43:54,988 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:54,988 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:54,992 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:43:54,992 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:54,992 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:54,996 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:43:54,996 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:54,996 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:43:55,010 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1086 states. [2024-05-03 04:43:55,010 INFO L212 cStratifiedReduction]: Copied states 21 times. [2024-05-03 04:43:55,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:43:55,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:43:55,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:43:55,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:43:55,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:43:55,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:43:55,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:43:55,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:43:55,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:43:55,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:43:55,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:43:55,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:43:55,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:43:55,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-03 04:43:55,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-03 04:43:55,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-03 04:43:55,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-03 04:43:55,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-03 04:43:55,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-05-03 04:43:55,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-05-03 04:43:55,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-05-03 04:43:55,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-05-03 04:43:55,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-05-03 04:43:55,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-05-03 04:43:55,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-05-03 04:43:55,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-05-03 04:43:55,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-05-03 04:43:55,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-05-03 04:43:55,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-05-03 04:43:55,012 INFO L78 Accepts]: Start accepts. Automaton has currently 1130 states, but on-demand construction may add more states Word has length 318 [2024-05-03 04:43:55,017 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:43:55,022 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-05-03 04:43:55,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-05-03 04:43:55,223 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:43:55,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:43:55,224 INFO L85 PathProgramCache]: Analyzing trace with hash 198152453, now seen corresponding path program 27 times [2024-05-03 04:43:55,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:43:55,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435064185] [2024-05-03 04:43:55,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:43:55,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:43:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:44:01,289 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 3120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:44:01,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:44:01,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435064185] [2024-05-03 04:44:01,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435064185] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 04:44:01,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115057181] [2024-05-03 04:44:01,289 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 04:44:01,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:44:01,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:44:01,290 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 04:44:01,292 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 04:44:02,039 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2024-05-03 04:44:02,039 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 04:44:02,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 198 conjunts are in the unsatisfiable core [2024-05-03 04:44:02,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 04:44:18,669 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1 proven. 3119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:44:18,669 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 04:44:39,228 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 3120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:44:39,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2115057181] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 04:44:39,228 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 04:44:39,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [89, 102, 88] total 266 [2024-05-03 04:44:39,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217348904] [2024-05-03 04:44:39,229 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 04:44:39,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 266 states [2024-05-03 04:44:39,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:44:39,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 266 interpolants. [2024-05-03 04:44:39,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=670, Invalid=69820, Unknown=0, NotChecked=0, Total=70490 [2024-05-03 04:44:39,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:44:39,234 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:44:39,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 266 states, 266 states have (on average 3.026315789473684) internal successors, (805), 266 states have internal predecessors, (805), 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 04:44:39,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:44:39,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:44:39,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:44:39,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:44:39,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:44:39,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:44:39,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:44:39,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:44:39,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:44:39,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:44:39,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:44:39,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:44:39,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:44:39,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-03 04:44:39,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-03 04:44:39,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-03 04:44:39,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-05-03 04:44:39,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-03 04:44:39,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-05-03 04:44:39,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-05-03 04:44:39,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-05-03 04:44:39,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-05-03 04:44:39,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-05-03 04:44:39,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-05-03 04:44:39,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-05-03 04:44:39,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-05-03 04:44:39,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2024-05-03 04:44:39,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-05-03 04:44:39,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-05-03 04:44:39,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:44:39,236 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:45:37,835 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:45:37,836 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:45:37,836 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:37,837 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:45:37,837 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:37,837 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:37,839 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:45:37,839 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:37,839 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:37,842 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:45:37,842 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:37,842 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:37,966 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:45:37,966 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:37,966 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:37,971 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:45:37,971 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:37,971 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:37,998 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:45:37,998 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:45:37,998 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:37,999 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:45:37,999 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:37,999 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:38,002 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:45:38,002 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:38,002 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:38,007 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:45:38,007 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:38,007 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:38,009 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:45:38,009 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:38,009 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:38,353 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1134 states. [2024-05-03 04:45:38,353 INFO L212 cStratifiedReduction]: Copied states 14 times. [2024-05-03 04:45:38,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:45:38,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:45:38,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:45:38,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:45:38,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:45:38,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:45:38,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:45:38,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:45:38,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:45:38,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:45:38,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:45:38,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:45:38,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:45:38,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-03 04:45:38,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-03 04:45:38,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-03 04:45:38,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-03 04:45:38,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-03 04:45:38,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-05-03 04:45:38,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-05-03 04:45:38,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-05-03 04:45:38,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-05-03 04:45:38,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-05-03 04:45:38,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-05-03 04:45:38,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-05-03 04:45:38,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-05-03 04:45:38,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-05-03 04:45:38,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-05-03 04:45:38,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-05-03 04:45:38,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-05-03 04:45:38,355 INFO L78 Accepts]: Start accepts. Automaton has currently 1187 states, but on-demand construction may add more states Word has length 325 [2024-05-03 04:45:38,360 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:45:38,370 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 04:45:38,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,30 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:45:38,561 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:45:38,562 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:45:38,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1171352790, now seen corresponding path program 28 times [2024-05-03 04:45:38,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:45:38,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407458985] [2024-05-03 04:45:38,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:45:38,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:45:38,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:45:40,307 INFO L134 CoverageAnalysis]: Checked inductivity of 3332 backedges. 684 proven. 2641 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 04:45:40,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:45:40,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407458985] [2024-05-03 04:45:40,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407458985] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 04:45:40,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637044374] [2024-05-03 04:45:40,308 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-03 04:45:40,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:45:40,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:45:40,309 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 04:45:40,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-05-03 04:45:40,450 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-03 04:45:40,450 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 04:45:40,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 64 conjunts are in the unsatisfiable core [2024-05-03 04:45:40,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 04:45:41,765 INFO L134 CoverageAnalysis]: Checked inductivity of 3332 backedges. 863 proven. 2462 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 04:45:41,765 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 04:45:43,081 INFO L134 CoverageAnalysis]: Checked inductivity of 3332 backedges. 757 proven. 2568 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-03 04:45:43,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1637044374] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 04:45:43,082 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 04:45:43,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 65, 65] total 100 [2024-05-03 04:45:43,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911312746] [2024-05-03 04:45:43,082 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 04:45:43,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2024-05-03 04:45:43,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:45:43,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2024-05-03 04:45:43,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1229, Invalid=8671, Unknown=0, NotChecked=0, Total=9900 [2024-05-03 04:45:43,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:45:43,084 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:45:43,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 4.41) internal successors, (441), 100 states have internal predecessors, (441), 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 04:45:43,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:45:43,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:45:43,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:45:43,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:45:43,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:45:43,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:45:43,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:45:43,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:45:43,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:45:43,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:45:43,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:45:43,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:45:43,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:45:43,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-03 04:45:43,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-03 04:45:43,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-03 04:45:43,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-05-03 04:45:43,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-03 04:45:43,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-05-03 04:45:43,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-05-03 04:45:43,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-05-03 04:45:43,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-05-03 04:45:43,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-05-03 04:45:43,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-05-03 04:45:43,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-05-03 04:45:43,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-05-03 04:45:43,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2024-05-03 04:45:43,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-05-03 04:45:43,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-05-03 04:45:43,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-05-03 04:45:43,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:45:43,085 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 04:45:44,305 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:45:44,305 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:45:44,305 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:44,307 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:45:44,307 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:44,307 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:44,312 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:45:44,312 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:44,312 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:44,314 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:45:44,314 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:44,314 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:44,317 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:45:44,317 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:44,317 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:44,320 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:45:44,320 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:44,320 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:45,666 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:45:45,666 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 04:45:45,666 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:45,667 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:45:45,668 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:45,668 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:45,670 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:45:45,670 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:45,670 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:45,674 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:45:45,674 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:45,674 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:45,678 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 04:45:45,678 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:45,678 INFO L370 cStratifiedReduction]: Actual level: [~i1~0, ~i2~0, ~j1~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~m~0, ~n~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1, thread2Thread1of1ForFork0_#t~post4, thread1Thread1of1ForFork1_#t~post1, thread1Thread1of1ForFork1_#t~post3] [2024-05-03 04:45:45,692 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1156 states. [2024-05-03 04:45:45,692 INFO L212 cStratifiedReduction]: Copied states 14 times. [2024-05-03 04:45:45,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:45:45,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:45:45,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:45:45,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:45:45,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:45:45,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:45:45,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:45:45,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:45:45,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:45:45,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:45:45,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:45:45,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:45:45,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:45:45,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-05-03 04:45:45,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-03 04:45:45,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-03 04:45:45,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-03 04:45:45,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-03 04:45:45,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-05-03 04:45:45,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-05-03 04:45:45,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-05-03 04:45:45,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-05-03 04:45:45,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-05-03 04:45:45,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-05-03 04:45:45,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-05-03 04:45:45,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-05-03 04:45:45,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-05-03 04:45:45,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-05-03 04:45:45,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-05-03 04:45:45,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-05-03 04:45:45,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2024-05-03 04:45:45,693 INFO L78 Accepts]: Start accepts. Automaton has currently 1209 states, but on-demand construction may add more states Word has length 332 [2024-05-03 04:45:45,698 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 04:45:45,703 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-05-03 04:45:45,904 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,SelfDestructingSolverStorable30 [2024-05-03 04:45:45,904 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 04:45:45,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 04:45:45,905 INFO L85 PathProgramCache]: Analyzing trace with hash 536852823, now seen corresponding path program 29 times [2024-05-03 04:45:45,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 04:45:45,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219579617] [2024-05-03 04:45:45,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 04:45:45,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 04:45:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 04:46:02,491 INFO L134 CoverageAnalysis]: Checked inductivity of 3551 backedges. 0 proven. 3551 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:46:02,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 04:46:02,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219579617] [2024-05-03 04:46:02,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219579617] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 04:46:02,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649770133] [2024-05-03 04:46:02,492 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-03 04:46:02,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:46:02,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 04:46:02,493 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 04:46:02,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-05-03 04:46:03,581 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) [2024-05-03 04:46:03,582 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 04:46:03,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 210 conjunts are in the unsatisfiable core [2024-05-03 04:46:03,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 04:46:34,983 INFO L134 CoverageAnalysis]: Checked inductivity of 3551 backedges. 0 proven. 3551 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:46:34,983 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 04:47:17,275 INFO L134 CoverageAnalysis]: Checked inductivity of 3551 backedges. 1 proven. 3550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 04:47:17,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [649770133] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 04:47:17,276 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 04:47:17,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [108, 108, 93] total 297 [2024-05-03 04:47:17,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191991613] [2024-05-03 04:47:17,276 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 04:47:17,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 297 states [2024-05-03 04:47:17,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 04:47:17,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 297 interpolants. [2024-05-03 04:47:17,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=948, Invalid=86964, Unknown=0, NotChecked=0, Total=87912 [2024-05-03 04:47:17,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:47:17,281 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 04:47:17,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 297 states, 297 states have (on average 2.983164983164983) internal successors, (886), 297 states have internal predecessors, (886), 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 04:47:17,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:47:17,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 04:47:17,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 04:47:17,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:47:17,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:47:17,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:47:17,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 04:47:17,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-03 04:47:17,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-03 04:47:17,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 04:47:17,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-05-03 04:47:17,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-03 04:47:17,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 04:47:17,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-05-03 04:47:17,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-03 04:47:17,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-03 04:47:17,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-05-03 04:47:17,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-03 04:47:17,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-05-03 04:47:17,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-05-03 04:47:17,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-05-03 04:47:17,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-05-03 04:47:17,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-05-03 04:47:17,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-05-03 04:47:17,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-05-03 04:47:17,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-05-03 04:47:17,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2024-05-03 04:47:17,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-05-03 04:47:17,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-05-03 04:47:17,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2024-05-03 04:47:17,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2024-05-03 04:47:17,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 04:47:17,283 INFO L199 cStratifiedReduction]: Start building reduction automaton Received shutdown request... [2024-05-03 04:48:07,643 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-03 04:48:07,643 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 04:48:07,643 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 04:48:07,644 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 469 states. [2024-05-03 04:48:07,644 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 04:48:07,650 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-05-03 04:48:07,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,32 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 04:48:07,844 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction. [2024-05-03 04:48:07,847 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-03 04:48:07,858 INFO L445 BasicCegarLoop]: Path program histogram: [29, 1, 1, 1] [2024-05-03 04:48:07,859 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/3) [2024-05-03 04:48:07,860 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-03 04:48:07,860 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-03 04:48:07,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 04:48:07 BasicIcfg [2024-05-03 04:48:07,862 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-03 04:48:07,862 INFO L158 Benchmark]: Toolchain (without parser) took 848116.44ms. Allocated memory was 168.8MB in the beginning and 878.7MB in the end (delta: 709.9MB). Free memory was 99.9MB in the beginning and 491.1MB in the end (delta: -391.2MB). Peak memory consumption was 319.4MB. Max. memory is 8.0GB. [2024-05-03 04:48:07,862 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 168.8MB. Free memory was 139.3MB in the beginning and 139.2MB in the end (delta: 163.3kB). There was no memory consumed. Max. memory is 8.0GB. [2024-05-03 04:48:07,862 INFO L158 Benchmark]: CACSL2BoogieTranslator took 180.29ms. Allocated memory is still 168.8MB. Free memory was 99.7MB in the beginning and 88.2MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-05-03 04:48:07,862 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.77ms. Allocated memory is still 168.8MB. Free memory was 88.2MB in the beginning and 86.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-03 04:48:07,862 INFO L158 Benchmark]: Boogie Preprocessor took 18.22ms. Allocated memory is still 168.8MB. Free memory was 86.6MB in the beginning and 85.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-03 04:48:07,863 INFO L158 Benchmark]: RCFGBuilder took 349.09ms. Allocated memory is still 168.8MB. Free memory was 85.3MB in the beginning and 70.8MB in the end (delta: 14.5MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-05-03 04:48:07,863 INFO L158 Benchmark]: TraceAbstraction took 847522.76ms. Allocated memory was 231.7MB in the beginning and 878.7MB in the end (delta: 647.0MB). Free memory was 200.1MB in the beginning and 491.1MB in the end (delta: -291.1MB). Peak memory consumption was 356.4MB. Max. memory is 8.0GB. [2024-05-03 04:48:07,863 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 168.8MB. Free memory was 139.3MB in the beginning and 139.2MB in the end (delta: 163.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 180.29ms. Allocated memory is still 168.8MB. Free memory was 99.7MB in the beginning and 88.2MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.77ms. Allocated memory is still 168.8MB. Free memory was 88.2MB in the beginning and 86.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.22ms. Allocated memory is still 168.8MB. Free memory was 86.6MB in the beginning and 85.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 349.09ms. Allocated memory is still 168.8MB. Free memory was 85.3MB in the beginning and 70.8MB in the end (delta: 14.5MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 847522.76ms. Allocated memory was 231.7MB in the beginning and 878.7MB in the end (delta: 647.0MB). Free memory was 200.1MB in the beginning and 491.1MB in the end (delta: -291.1MB). Peak memory consumption was 356.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7005, independent: 6345, independent conditional: 6345, independent unconditional: 0, dependent: 660, dependent conditional: 660, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6345, independent: 6345, independent conditional: 6345, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6345, independent: 6345, independent conditional: 6345, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6345, independent: 6345, independent conditional: 0, independent unconditional: 6345, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6345, independent: 6345, independent conditional: 0, independent unconditional: 6345, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6345, independent: 6345, independent conditional: 0, independent unconditional: 6345, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6345, independent: 6345, independent conditional: 0, independent unconditional: 6345, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6345, independent: 6345, independent conditional: 0, independent unconditional: 6345, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6345, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 6345, unknown conditional: 0, unknown unconditional: 6345] , Statistics on independence cache: Total cache size (in pairs): 6345, Positive cache size: 6345, Positive conditional cache size: 0, Positive unconditional cache size: 6345, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 660 - StatisticsResult: Reduction benchmarks 25.9ms Time before loop, 137.6ms Time in loop, 0.2s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 13, Reduction States: 217, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 37.4ms Time before loop, 92.1ms Time in loop, 0.1s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 13, Reduction States: 252, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 100.9ms Time before loop, 51.6ms Time in loop, 0.2s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 6, Reduction States: 229, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 78.9ms Time before loop, 99.8ms Time in loop, 0.2s Time in total, Has Loop: 1, wrong guesses: 3, overall guesses: 18, Reduction States: 377, Duplicate States: 36, Protected Variables: 5 - StatisticsResult: Reduction benchmarks 1348.2ms Time before loop, 130.0ms Time in loop, 1.5s Time in total, Has Loop: 1, wrong guesses: 3, overall guesses: 17, Reduction States: 403, Duplicate States: 28, Protected Variables: 5 - StatisticsResult: Reduction benchmarks 2700.4ms Time before loop, 352.9ms Time in loop, 3.1s Time in total, Has Loop: 1, wrong guesses: 1, overall guesses: 8, Reduction States: 385, Duplicate States: 7, Protected Variables: 5 - StatisticsResult: Reduction benchmarks 484.9ms Time before loop, 717.8ms Time in loop, 1.2s Time in total, Has Loop: 1, wrong guesses: 3, overall guesses: 18, Reduction States: 574, Duplicate States: 37, Protected Variables: 10 - StatisticsResult: Reduction benchmarks 175.2ms Time before loop, 176.8ms Time in loop, 0.4s Time in total, Has Loop: 1, wrong guesses: 3, overall guesses: 16, Reduction States: 602, Duplicate States: 21, Protected Variables: 10 - StatisticsResult: Reduction benchmarks 4103.7ms Time before loop, 181.6ms Time in loop, 4.3s Time in total, Has Loop: 1, wrong guesses: 3, overall guesses: 16, Reduction States: 624, Duplicate States: 21, Protected Variables: 10 - StatisticsResult: Reduction benchmarks 288.8ms Time before loop, 282.2ms Time in loop, 0.6s Time in total, Has Loop: 1, wrong guesses: 3, overall guesses: 16, Reduction States: 646, Duplicate States: 21, Protected Variables: 10 - StatisticsResult: Reduction benchmarks 6915.5ms Time before loop, 200.2ms Time in loop, 7.1s Time in total, Has Loop: 1, wrong guesses: 3, overall guesses: 16, Reduction States: 668, Duplicate States: 21, Protected Variables: 10 - StatisticsResult: Reduction benchmarks 298.8ms Time before loop, 290.5ms Time in loop, 0.6s Time in total, Has Loop: 1, wrong guesses: 3, overall guesses: 16, Reduction States: 690, Duplicate States: 21, Protected Variables: 10 - StatisticsResult: Reduction benchmarks 15266.8ms Time before loop, 418.5ms Time in loop, 15.7s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 15, Reduction States: 738, Duplicate States: 14, Protected Variables: 10 - StatisticsResult: Reduction benchmarks 362.1ms Time before loop, 367.8ms Time in loop, 0.7s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 15, Reduction States: 760, Duplicate States: 14, Protected Variables: 10 - StatisticsResult: Reduction benchmarks 10852.5ms Time before loop, 245.9ms Time in loop, 11.1s Time in total, Has Loop: 1, wrong guesses: 3, overall guesses: 16, Reduction States: 756, Duplicate States: 21, Protected Variables: 10 - StatisticsResult: Reduction benchmarks 324.7ms Time before loop, 387.7ms Time in loop, 0.7s Time in total, Has Loop: 1, wrong guesses: 3, overall guesses: 16, Reduction States: 778, Duplicate States: 21, Protected Variables: 10 - StatisticsResult: Reduction benchmarks 13023.6ms Time before loop, 265.7ms Time in loop, 13.3s Time in total, Has Loop: 1, wrong guesses: 3, overall guesses: 16, Reduction States: 800, Duplicate States: 21, Protected Variables: 10 - StatisticsResult: Reduction benchmarks 671.9ms Time before loop, 636.4ms Time in loop, 1.3s Time in total, Has Loop: 1, wrong guesses: 3, overall guesses: 16, Reduction States: 822, Duplicate States: 21, Protected Variables: 10 - StatisticsResult: Reduction benchmarks 19544.7ms Time before loop, 351.6ms Time in loop, 19.9s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 15, Reduction States: 870, Duplicate States: 14, Protected Variables: 10 - StatisticsResult: Reduction benchmarks 629.2ms Time before loop, 447.1ms Time in loop, 1.1s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 15, Reduction States: 892, Duplicate States: 14, Protected Variables: 10 - StatisticsResult: Reduction benchmarks 17708.8ms Time before loop, 335.2ms Time in loop, 18.0s Time in total, Has Loop: 1, wrong guesses: 3, overall guesses: 16, Reduction States: 888, Duplicate States: 21, Protected Variables: 10 - StatisticsResult: Reduction benchmarks 503.4ms Time before loop, 669.1ms Time in loop, 1.2s Time in total, Has Loop: 1, wrong guesses: 3, overall guesses: 16, Reduction States: 910, Duplicate States: 21, Protected Variables: 10 - StatisticsResult: Reduction benchmarks 13817.7ms Time before loop, 284.5ms Time in loop, 14.1s Time in total, Has Loop: 1, wrong guesses: 3, overall guesses: 16, Reduction States: 932, Duplicate States: 21, Protected Variables: 10 - StatisticsResult: Reduction benchmarks 623.1ms Time before loop, 600.7ms Time in loop, 1.2s Time in total, Has Loop: 1, wrong guesses: 3, overall guesses: 16, Reduction States: 954, Duplicate States: 21, Protected Variables: 10 - StatisticsResult: Reduction benchmarks 81830.9ms Time before loop, 2102.3ms Time in loop, 83.9s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 15, Reduction States: 1002, Duplicate States: 14, Protected Variables: 10 - StatisticsResult: Reduction benchmarks 764.5ms Time before loop, 675.2ms Time in loop, 1.4s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 15, Reduction States: 1024, Duplicate States: 14, Protected Variables: 10 - StatisticsResult: Reduction benchmarks 31824.9ms Time before loop, 455.3ms Time in loop, 32.3s Time in total, Has Loop: 1, wrong guesses: 3, overall guesses: 16, Reduction States: 1020, Duplicate States: 21, Protected Variables: 10 - StatisticsResult: Reduction benchmarks 1206.4ms Time before loop, 738.7ms Time in loop, 1.9s Time in total, Has Loop: 1, wrong guesses: 3, overall guesses: 16, Reduction States: 1042, Duplicate States: 21, Protected Variables: 10 - StatisticsResult: Reduction benchmarks 32221.2ms Time before loop, 403.1ms Time in loop, 32.6s Time in total, Has Loop: 1, wrong guesses: 3, overall guesses: 16, Reduction States: 1064, Duplicate States: 21, Protected Variables: 10 - StatisticsResult: Reduction benchmarks 1427.3ms Time before loop, 1075.1ms Time in loop, 2.5s Time in total, Has Loop: 1, wrong guesses: 3, overall guesses: 16, Reduction States: 1086, Duplicate States: 21, Protected Variables: 10 - StatisticsResult: Reduction benchmarks 58492.7ms Time before loop, 624.8ms Time in loop, 59.1s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 15, Reduction States: 1134, Duplicate States: 14, Protected Variables: 10 - StatisticsResult: Reduction benchmarks 1187.1ms Time before loop, 1419.0ms Time in loop, 2.6s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 15, Reduction States: 1156, Duplicate States: 14, Protected Variables: 10 - StatisticsResult: Reduction benchmarks 50361.0ms Time before loop, 0.0ms Time in loop, 50.4s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 469, Duplicate States: 0, Protected Variables: 10 - StatisticsResult: Visitor Statistics States: 182, Transitions: 207, Traversal time: 0.2s - StatisticsResult: Visitor Statistics States: 182, Transitions: 210, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 131, Transitions: 142, Traversal time: 0.2s - StatisticsResult: Visitor Statistics States: 275, Transitions: 363, Traversal time: 0.2s - StatisticsResult: Visitor Statistics States: 273, Transitions: 354, Traversal time: 1.5s - StatisticsResult: Visitor Statistics States: 208, Transitions: 236, Traversal time: 3.1s - StatisticsResult: Visitor Statistics States: 374, Transitions: 452, Traversal time: 1.2s - StatisticsResult: Visitor Statistics States: 365, Transitions: 441, Traversal time: 0.4s - StatisticsResult: Visitor Statistics States: 372, Transitions: 448, Traversal time: 4.3s - StatisticsResult: Visitor Statistics States: 379, Transitions: 455, Traversal time: 0.6s - StatisticsResult: Visitor Statistics States: 386, Transitions: 462, Traversal time: 7.1s - StatisticsResult: Visitor Statistics States: 393, Transitions: 469, Traversal time: 0.6s - StatisticsResult: Visitor Statistics States: 423, Transitions: 509, Traversal time: 15.7s - StatisticsResult: Visitor Statistics States: 430, Transitions: 516, Traversal time: 0.7s - StatisticsResult: Visitor Statistics States: 414, Transitions: 490, Traversal time: 11.1s - StatisticsResult: Visitor Statistics States: 421, Transitions: 497, Traversal time: 0.7s - StatisticsResult: Visitor Statistics States: 428, Transitions: 504, Traversal time: 13.3s - StatisticsResult: Visitor Statistics States: 435, Transitions: 511, Traversal time: 1.3s - StatisticsResult: Visitor Statistics States: 465, Transitions: 551, Traversal time: 19.9s - StatisticsResult: Visitor Statistics States: 472, Transitions: 558, Traversal time: 1.1s - StatisticsResult: Visitor Statistics States: 456, Transitions: 532, Traversal time: 18.0s - StatisticsResult: Visitor Statistics States: 463, Transitions: 539, Traversal time: 1.2s - StatisticsResult: Visitor Statistics States: 470, Transitions: 546, Traversal time: 14.1s - StatisticsResult: Visitor Statistics States: 477, Transitions: 553, Traversal time: 1.2s - StatisticsResult: Visitor Statistics States: 507, Transitions: 593, Traversal time: 83.9s - StatisticsResult: Visitor Statistics States: 514, Transitions: 600, Traversal time: 1.4s - StatisticsResult: Visitor Statistics States: 498, Transitions: 574, Traversal time: 32.3s - StatisticsResult: Visitor Statistics States: 505, Transitions: 581, Traversal time: 1.9s - StatisticsResult: Visitor Statistics States: 512, Transitions: 588, Traversal time: 32.6s - StatisticsResult: Visitor Statistics States: 519, Transitions: 595, Traversal time: 2.5s - StatisticsResult: Visitor Statistics States: 549, Transitions: 635, Traversal time: 59.1s - StatisticsResult: Visitor Statistics States: 556, Transitions: 642, Traversal time: 2.6s - StatisticsResult: Visitor Statistics States: 181, Transitions: 182, Traversal time: 50.4s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 494, RedundantProofs: 31, ProvenStates: 1757, Times there's more than one choice: 1462, Avg number of choices: 11.762094479225953 - TimeoutResultAtElement [Line: 81]: 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 5 procedures, 141 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 847.4s, OverallIterations: 32, TraceHistogramMax: 0, PathProgramHistogramMax: 29, EmptinessCheckTime: 384.6s, 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: 2178, 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: 0.6s SsaConstructionTime, 9.8s SatisfiabilityAnalysisTime, 444.2s InterpolantComputationTime, 13807 NumberOfCodeBlocks, 13724 NumberOfCodeBlocksAsserted, 225 NumberOfCheckSat, 20531 ConstructedInterpolants, 0 QuantifiedInterpolants, 217022 SizeOfPredicates, 1544 NumberOfNonLiveVariables, 11786 ConjunctsInSsa, 2395 ConjunctsInUnsatCore, 92 InterpolantComputations, 2 PerfectInterpolantSequences, 13140/118413 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