/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/mult-flipped-dist.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-a4a1cd3-m [2024-05-30 16:04:29,136 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-30 16:04:29,203 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-05-30 16:04:29,206 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-30 16:04:29,207 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-30 16:04:29,207 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-05-30 16:04:29,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-30 16:04:29,244 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-30 16:04:29,244 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-30 16:04:29,249 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-30 16:04:29,249 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-30 16:04:29,250 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-30 16:04:29,250 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-30 16:04:29,252 INFO L153 SettingsManager]: * Use SBE=true [2024-05-30 16:04:29,252 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-30 16:04:29,252 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-30 16:04:29,253 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-30 16:04:29,253 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-30 16:04:29,253 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-30 16:04:29,253 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-30 16:04:29,253 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-30 16:04:29,254 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-30 16:04:29,254 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-30 16:04:29,254 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-30 16:04:29,255 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-30 16:04:29,255 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-30 16:04:29,255 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-30 16:04:29,255 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-30 16:04:29,256 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-30 16:04:29,256 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-30 16:04:29,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 16:04:29,257 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-30 16:04:29,258 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-30 16:04:29,258 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-05-30 16:04:29,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-30 16:04:29,258 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-30 16:04:29,258 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-05-30 16:04:29,259 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-05-30 16:04:29,259 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-30 16:04:29,259 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-30 16:04:29,259 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-30 16:04:29,260 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-30 16:04:29,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-30 16:04:29,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-30 16:04:29,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-30 16:04:29,515 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-30 16:04:29,516 INFO L274 PluginConnector]: CDTParser initialized [2024-05-30 16:04:29,517 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c [2024-05-30 16:04:30,632 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-30 16:04:30,812 INFO L384 CDTParser]: Found 1 translation units. [2024-05-30 16:04:30,812 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-flipped-dist.wvr.c [2024-05-30 16:04:30,819 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ca8994e99/2c05c374afa3401c8133863aebd7e737/FLAG41c838bc2 [2024-05-30 16:04:30,833 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ca8994e99/2c05c374afa3401c8133863aebd7e737 [2024-05-30 16:04:30,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-30 16:04:30,837 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-30 16:04:30,838 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-30 16:04:30,838 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-30 16:04:30,842 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-30 16:04:30,842 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 04:04:30" (1/1) ... [2024-05-30 16:04:30,843 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5af9c066 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:04:30, skipping insertion in model container [2024-05-30 16:04:30,843 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 04:04:30" (1/1) ... [2024-05-30 16:04:30,862 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-30 16:04:31,012 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/mult-flipped-dist.wvr.c[2135,2148] [2024-05-30 16:04:31,016 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 16:04:31,024 INFO L202 MainTranslator]: Completed pre-run [2024-05-30 16:04:31,045 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/mult-flipped-dist.wvr.c[2135,2148] [2024-05-30 16:04:31,046 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 16:04:31,059 INFO L206 MainTranslator]: Completed translation [2024-05-30 16:04:31,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:04:31 WrapperNode [2024-05-30 16:04:31,060 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-30 16:04:31,061 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-30 16:04:31,062 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-30 16:04:31,062 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-30 16:04:31,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:04:31" (1/1) ... [2024-05-30 16:04:31,088 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:04:31" (1/1) ... [2024-05-30 16:04:31,106 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2024-05-30 16:04:31,107 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-30 16:04:31,107 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-30 16:04:31,108 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-30 16:04:31,108 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-30 16:04:31,118 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:04:31" (1/1) ... [2024-05-30 16:04:31,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:04:31" (1/1) ... [2024-05-30 16:04:31,121 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:04:31" (1/1) ... [2024-05-30 16:04:31,122 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:04:31" (1/1) ... [2024-05-30 16:04:31,126 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:04:31" (1/1) ... [2024-05-30 16:04:31,128 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:04:31" (1/1) ... [2024-05-30 16:04:31,129 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:04:31" (1/1) ... [2024-05-30 16:04:31,130 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:04:31" (1/1) ... [2024-05-30 16:04:31,132 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-30 16:04:31,133 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-30 16:04:31,133 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-30 16:04:31,133 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-30 16:04:31,134 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:04:31" (1/1) ... [2024-05-30 16:04:31,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 16:04:31,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:04:31,173 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) [2024-05-30 16:04:31,192 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 [2024-05-30 16:04:31,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-30 16:04:31,222 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-30 16:04:31,222 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-30 16:04:31,223 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-30 16:04:31,223 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-30 16:04:31,223 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-30 16:04:31,224 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-30 16:04:31,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-30 16:04:31,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-30 16:04:31,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-30 16:04:31,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-30 16:04:31,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-30 16:04:31,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-30 16:04:31,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-30 16:04:31,267 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-30 16:04:31,360 INFO L241 CfgBuilder]: Building ICFG [2024-05-30 16:04:31,362 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-30 16:04:31,518 INFO L282 CfgBuilder]: Performing block encoding [2024-05-30 16:04:31,531 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-30 16:04:31,531 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-05-30 16:04:31,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 04:04:31 BoogieIcfgContainer [2024-05-30 16:04:31,531 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-30 16:04:31,534 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-30 16:04:31,534 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-30 16:04:31,537 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-30 16:04:31,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.05 04:04:30" (1/3) ... [2024-05-30 16:04:31,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54804b12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 04:04:31, skipping insertion in model container [2024-05-30 16:04:31,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:04:31" (2/3) ... [2024-05-30 16:04:31,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54804b12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 04:04:31, skipping insertion in model container [2024-05-30 16:04:31,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 04:04:31" (3/3) ... [2024-05-30 16:04:31,539 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-flipped-dist.wvr.c [2024-05-30 16:04:31,545 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-30 16:04:31,553 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-30 16:04:31,553 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-30 16:04:31,553 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-30 16:04:31,642 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-05-30 16:04:31,691 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 16:04:31,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 16:04:31,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:04:31,695 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) [2024-05-30 16:04:31,709 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 [2024-05-30 16:04:31,750 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 16:04:31,760 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 16:04:31,767 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;@5a8e1427, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 16:04:31,767 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 16:04:31,774 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:04:31,887 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:31,887 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:31,887 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:31,914 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:31,914 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:31,915 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:31,935 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:31,936 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:31,936 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:31,962 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:31,963 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:31,963 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:31,990 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:31,990 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:31,990 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,023 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,023 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,023 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,053 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,053 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,053 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,076 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,082 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,082 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,122 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,123 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,123 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,123 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,123 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,123 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,140 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,140 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,140 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,163 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,163 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,163 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,197 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,198 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,198 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,229 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,229 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,229 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,256 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,256 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,257 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,269 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,269 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,269 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,289 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,290 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,290 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,318 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,318 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,318 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,340 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,341 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,341 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,375 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,376 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,376 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,376 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,377 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,377 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,401 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,402 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,402 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,425 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,425 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,426 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,439 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,439 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,440 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,451 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,451 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,452 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,473 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,473 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,474 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,486 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,486 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,486 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,497 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,498 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,498 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,520 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,520 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,520 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,531 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,532 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,532 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,559 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,559 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,559 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,560 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,560 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,560 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,571 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,572 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,572 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,586 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,586 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,587 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,598 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,599 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,599 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,610 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,610 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,611 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,626 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,627 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,627 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,640 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,640 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,641 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,656 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,656 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,657 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,669 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,670 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,670 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,677 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,677 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,678 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,697 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,698 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,698 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,698 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,698 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,698 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,706 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,707 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,707 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,715 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,715 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,715 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,721 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,721 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,721 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,730 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,730 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,730 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,737 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:32,738 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:32,738 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:32,741 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 571 states. [2024-05-30 16:04:32,741 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:04:32,744 INFO L78 Accepts]: Start accepts. Automaton has currently 677 states, but on-demand construction may add more states Word has length 76 [2024-05-30 16:04:32,747 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:04:32,747 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:04:32,758 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:04:32,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1292359008, now seen corresponding path program 1 times [2024-05-30 16:04:32,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:04:32,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617512845] [2024-05-30 16:04:32,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:04:32,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:04:32,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:04:33,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:04:33,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:04:33,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617512845] [2024-05-30 16:04:33,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617512845] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 16:04:33,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 16:04:33,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-30 16:04:33,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454180402] [2024-05-30 16:04:33,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 16:04:33,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-30 16:04:33,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:04:33,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-30 16:04:33,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-30 16:04:33,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:33,106 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:04:33,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 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) [2024-05-30 16:04:33,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:33,109 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:04:33,140 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,141 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,141 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,148 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,149 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,149 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,156 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,156 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,156 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,163 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,163 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,164 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,169 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,169 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,170 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,174 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,177 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,177 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,188 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,189 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,189 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,195 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,195 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,195 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,205 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,205 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,205 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,205 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,205 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,205 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,210 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,211 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,211 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,218 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,219 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,219 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,225 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,225 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,225 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,232 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,232 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,232 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,239 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,240 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,241 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,246 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,246 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,246 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,252 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,252 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,252 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,263 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,263 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,263 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,270 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,271 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,271 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,281 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,282 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,282 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,282 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,282 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,283 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,289 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,290 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,291 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,299 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,299 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,301 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,307 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,308 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,308 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,316 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,316 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,316 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,323 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,323 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,323 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,328 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,328 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,328 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,333 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,333 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,333 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,341 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,341 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,342 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,346 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,347 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,347 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,356 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,357 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,357 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,357 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,357 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,357 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,362 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,363 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,363 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,375 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,375 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,375 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,382 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,382 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,382 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,388 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,389 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,389 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,396 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,396 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,396 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,402 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,402 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,402 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,408 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,408 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,408 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,423 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,424 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,424 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,429 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,430 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,430 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,439 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,439 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,439 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,439 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,441 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,441 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,447 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,447 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,449 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,457 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,457 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,457 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,461 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,461 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,461 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,464 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,464 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,465 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,469 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:33,469 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:33,469 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:33,484 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 623 states. [2024-05-30 16:04:33,484 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:04:33,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:33,485 INFO L78 Accepts]: Start accepts. Automaton has currently 761 states, but on-demand construction may add more states Word has length 75 [2024-05-30 16:04:33,486 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:04:33,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-30 16:04:33,486 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:04:33,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:04:33,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1427132884, now seen corresponding path program 1 times [2024-05-30 16:04:33,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:04:33,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930527068] [2024-05-30 16:04:33,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:04:33,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:04:33,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:04:34,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:04:34,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:04:34,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930527068] [2024-05-30 16:04:34,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930527068] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 16:04:34,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 16:04:34,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-30 16:04:34,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990355483] [2024-05-30 16:04:34,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 16:04:34,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-30 16:04:34,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:04:34,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-30 16:04:34,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-05-30 16:04:34,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:34,174 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:04:34,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 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) [2024-05-30 16:04:34,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:34,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:34,175 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:04:34,220 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:34,221 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:34,221 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:34,227 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:34,227 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:34,227 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:34,233 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:34,233 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:34,234 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:34,240 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:34,241 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:34,241 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:34,246 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:34,246 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:34,246 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:34,253 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:34,253 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:34,253 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:34,260 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:34,260 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:34,260 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:34,265 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:34,266 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:34,266 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:34,275 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:34,275 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:34,275 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:34,275 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:34,275 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:34,275 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:34,281 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:34,281 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:34,281 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:34,291 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:34,291 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:34,292 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:34,295 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:34,295 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:34,295 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:34,299 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:34,299 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:34,299 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:34,303 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:34,303 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:34,303 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:34,323 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 306 states. [2024-05-30 16:04:34,323 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:04:34,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:34,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:04:34,324 INFO L78 Accepts]: Start accepts. Automaton has currently 420 states, but on-demand construction may add more states Word has length 80 [2024-05-30 16:04:34,324 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:04:34,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-30 16:04:34,325 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:04:34,326 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:04:34,326 INFO L85 PathProgramCache]: Analyzing trace with hash -466884832, now seen corresponding path program 1 times [2024-05-30 16:04:34,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:04:34,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588861824] [2024-05-30 16:04:34,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:04:34,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:04:34,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:04:34,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:04:34,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:04:34,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588861824] [2024-05-30 16:04:34,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588861824] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 16:04:34,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 16:04:34,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-05-30 16:04:34,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488520131] [2024-05-30 16:04:34,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 16:04:34,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-30 16:04:34,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:04:34,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-30 16:04:34,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-05-30 16:04:34,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:34,476 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:04:34,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2024-05-30 16:04:34,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:34,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:04:34,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:34,477 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:04:34,532 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:34,532 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:34,532 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:34,539 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:34,539 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:34,539 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:34,547 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:34,547 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:34,547 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:34,555 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:34,555 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:34,555 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:34,560 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:34,560 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:34,560 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:34,569 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:34,569 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:34,569 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:34,576 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:34,576 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:34,576 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:34,587 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:34,588 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:34,588 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:34,594 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:34,594 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:34,594 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:34,594 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:34,594 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:34,594 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:34,638 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:34,638 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:34,638 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:34,647 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:34,647 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:34,648 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:34,655 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:34,655 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:34,655 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:34,664 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:34,665 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:34,666 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:34,675 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:34,675 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:34,675 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:34,681 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:34,681 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:34,681 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:34,688 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:34,689 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:34,689 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:34,692 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:34,692 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:34,692 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:34,695 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:34,695 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:34,696 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:34,699 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:34,699 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:34,699 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:34,705 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 363 states. [2024-05-30 16:04:34,705 INFO L212 cStratifiedReduction]: Copied states 16 times. [2024-05-30 16:04:34,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:34,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:04:34,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:04:34,706 INFO L78 Accepts]: Start accepts. Automaton has currently 510 states, but on-demand construction may add more states Word has length 85 [2024-05-30 16:04:34,709 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:04:34,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-30 16:04:34,709 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:04:34,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:04:34,711 INFO L85 PathProgramCache]: Analyzing trace with hash 2007815897, now seen corresponding path program 1 times [2024-05-30 16:04:34,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:04:34,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191283889] [2024-05-30 16:04:34,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:04:34,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:04:34,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:04:34,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-30 16:04:34,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:04:34,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191283889] [2024-05-30 16:04:34,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191283889] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:04:34,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929298980] [2024-05-30 16:04:34,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:04:34,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:04:34,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:04:34,994 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) [2024-05-30 16:04:34,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-30 16:04:35,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:04:35,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 8 conjunts are in the unsatisfiable core [2024-05-30 16:04:35,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:04:35,195 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-30 16:04:35,195 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:04:35,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-30 16:04:35,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929298980] provided 1 perfect and 1 imperfect interpolant sequences [2024-05-30 16:04:35,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-05-30 16:04:35,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 5] total 7 [2024-05-30 16:04:35,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446067462] [2024-05-30 16:04:35,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 16:04:35,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-30 16:04:35,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:04:35,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-30 16:04:35,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-05-30 16:04:35,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:35,270 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:04:35,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 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) [2024-05-30 16:04:35,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:35,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:04:35,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:04:35,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:35,270 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:04:35,314 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:35,314 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:35,314 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:35,320 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:35,320 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:35,320 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:35,328 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:35,328 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:35,328 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:35,335 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:35,336 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:35,336 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:35,341 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:35,342 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:35,342 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:35,345 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:35,345 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:35,345 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:35,351 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:35,351 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:35,352 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:35,360 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:35,360 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:35,360 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:35,368 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:35,368 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:35,368 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:35,383 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:35,383 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:35,383 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:35,391 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:35,391 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:35,391 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:35,391 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:35,391 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:35,391 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:35,399 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:35,399 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:35,399 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:35,406 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:35,406 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:35,407 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:35,413 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:35,413 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:35,413 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:35,422 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:35,422 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:35,422 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:35,428 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:35,428 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:35,428 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:35,437 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:35,438 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:35,438 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:35,438 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:35,438 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:35,438 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:35,445 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:35,445 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:35,445 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:35,452 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:35,452 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:35,452 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:35,459 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:35,459 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:35,460 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:35,498 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:35,499 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:35,499 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:35,506 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:35,506 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:35,506 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:35,515 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:35,515 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:35,515 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:35,519 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:35,519 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:35,519 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:35,524 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:35,524 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:35,524 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:35,530 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:35,530 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:35,530 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:35,537 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 475 states. [2024-05-30 16:04:35,538 INFO L212 cStratifiedReduction]: Copied states 92 times. [2024-05-30 16:04:35,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:35,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:04:35,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:04:35,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:04:35,539 INFO L78 Accepts]: Start accepts. Automaton has currently 562 states, but on-demand construction may add more states Word has length 90 [2024-05-30 16:04:35,541 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:04:35,550 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-30 16:04:35,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:04:35,747 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:04:35,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:04:35,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1624841879, now seen corresponding path program 1 times [2024-05-30 16:04:35,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:04:35,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794311094] [2024-05-30 16:04:35,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:04:35,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:04:35,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:04:36,227 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:04:36,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:04:36,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794311094] [2024-05-30 16:04:36,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794311094] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:04:36,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491465810] [2024-05-30 16:04:36,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:04:36,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:04:36,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:04:36,229 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) [2024-05-30 16:04:36,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-30 16:04:36,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:04:36,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 17 conjunts are in the unsatisfiable core [2024-05-30 16:04:36,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:04:36,760 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:04:36,761 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:04:37,455 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:04:37,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1491465810] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:04:37,456 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:04:37,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 9] total 17 [2024-05-30 16:04:37,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220018107] [2024-05-30 16:04:37,456 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:04:37,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-05-30 16:04:37,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:04:37,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-05-30 16:04:37,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-05-30 16:04:37,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:37,460 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:04:37,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 11.294117647058824) internal successors, (192), 17 states have internal predecessors, (192), 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) [2024-05-30 16:04:37,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:37,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:04:37,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:04:37,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:04:37,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:37,460 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:04:37,538 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:37,538 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:37,539 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:37,545 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:37,545 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:37,545 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:37,552 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:37,552 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:37,552 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:37,560 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:37,560 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:37,560 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:37,566 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:37,566 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:37,567 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:37,570 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:37,570 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:37,570 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:37,575 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:37,576 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:37,576 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:37,584 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:37,584 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:37,584 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:37,589 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:37,589 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:37,590 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:37,599 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:37,600 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:37,600 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:37,606 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:37,606 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:37,606 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:37,606 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:37,606 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:37,606 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:37,618 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:37,618 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:37,618 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:37,625 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:37,625 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:37,625 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:37,631 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:37,632 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:37,632 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:37,638 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:37,638 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:37,638 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:37,645 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:37,645 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:37,646 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:37,656 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:37,656 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:37,656 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:37,664 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:37,665 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:37,665 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:37,670 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:37,671 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:37,671 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:37,682 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:37,682 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:37,682 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:37,686 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:37,686 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:37,686 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:37,689 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:37,689 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:37,689 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:37,693 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:37,693 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:37,693 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:37,716 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 450 states. [2024-05-30 16:04:37,716 INFO L212 cStratifiedReduction]: Copied states 51 times. [2024-05-30 16:04:37,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:37,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:04:37,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:04:37,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:04:37,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 16:04:37,717 INFO L78 Accepts]: Start accepts. Automaton has currently 578 states, but on-demand construction may add more states Word has length 95 [2024-05-30 16:04:37,717 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:04:37,727 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-30 16:04:37,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:04:37,928 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:04:37,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:04:37,928 INFO L85 PathProgramCache]: Analyzing trace with hash 771432949, now seen corresponding path program 2 times [2024-05-30 16:04:37,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:04:37,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609854447] [2024-05-30 16:04:37,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:04:37,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:04:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:04:38,207 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-30 16:04:38,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:04:38,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609854447] [2024-05-30 16:04:38,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609854447] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:04:38,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890416371] [2024-05-30 16:04:38,208 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 16:04:38,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:04:38,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:04:38,209 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) [2024-05-30 16:04:38,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-30 16:04:38,309 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-30 16:04:38,309 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:04:38,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 14 conjunts are in the unsatisfiable core [2024-05-30 16:04:38,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:04:38,402 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-30 16:04:38,403 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:04:38,534 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-30 16:04:38,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1890416371] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:04:38,534 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:04:38,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2024-05-30 16:04:38,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746748880] [2024-05-30 16:04:38,535 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:04:38,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-05-30 16:04:38,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:04:38,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-05-30 16:04:38,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2024-05-30 16:04:38,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:38,536 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:04:38,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.0625) internal successors, (113), 16 states have internal predecessors, (113), 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) [2024-05-30 16:04:38,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:38,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:04:38,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:04:38,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:04:38,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 16:04:38,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:38,537 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:04:39,150 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,151 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:39,151 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:39,156 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,156 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:39,156 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:39,162 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,163 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:39,163 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:39,169 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,169 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:39,169 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:39,181 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,182 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:39,182 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:39,185 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,185 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:39,185 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:39,190 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,190 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:39,190 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:39,197 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,197 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:39,198 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:39,202 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,203 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:39,203 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:39,212 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,212 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:39,212 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:39,217 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,218 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:39,218 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:39,218 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,218 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:39,218 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:39,226 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,226 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:39,226 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:39,231 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,231 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:39,231 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:39,250 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,251 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:39,251 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:39,256 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,256 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:39,256 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:39,263 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,263 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:39,263 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:39,272 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,272 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:39,272 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,280 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,280 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,280 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,294 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,294 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,294 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,308 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,309 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,309 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,318 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,319 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,319 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,325 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,325 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,325 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,335 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,336 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,336 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,341 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,341 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,341 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,475 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,475 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,476 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,480 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,480 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,480 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,485 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,485 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,486 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,490 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,490 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,490 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,493 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,494 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,494 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,500 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,500 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,500 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,504 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,504 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,504 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,537 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,537 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,537 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,541 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,541 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,541 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,541 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,541 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,541 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,552 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,552 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,552 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,555 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,555 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,555 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,560 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,561 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,561 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,567 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,567 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,567 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,575 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,575 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,575 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,583 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,583 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,583 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,587 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,587 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,587 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,593 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,593 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,593 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,600 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,600 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,600 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,603 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,604 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,604 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,614 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,614 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,614 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,619 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,619 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,619 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,626 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,626 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,626 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,631 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,631 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,631 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,636 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,636 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,636 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,644 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,644 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,644 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,649 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,649 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,649 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,661 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,661 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,661 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,666 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,666 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,667 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,667 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,667 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,667 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,672 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,672 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,672 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,677 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,677 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,677 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,685 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,686 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,686 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,693 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,693 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,694 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,698 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,698 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,699 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,704 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,704 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,704 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,709 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,709 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,709 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,716 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,716 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,716 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,724 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,724 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,724 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,729 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,729 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,729 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:39,799 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,799 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:39,799 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:39,802 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,802 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:39,803 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:39,805 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,806 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:39,806 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:39,809 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:39,809 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:39,810 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:39,823 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1004 states. [2024-05-30 16:04:39,823 INFO L212 cStratifiedReduction]: Copied states 51 times. [2024-05-30 16:04:39,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:39,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:04:39,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:04:39,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:04:39,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 16:04:39,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-30 16:04:39,824 INFO L78 Accepts]: Start accepts. Automaton has currently 1253 states, but on-demand construction may add more states Word has length 100 [2024-05-30 16:04:39,825 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:04:39,830 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-30 16:04:40,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:04:40,036 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:04:40,036 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:04:40,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1450674986, now seen corresponding path program 3 times [2024-05-30 16:04:40,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:04:40,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189885216] [2024-05-30 16:04:40,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:04:40,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:04:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:04:40,471 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-30 16:04:40,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:04:40,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189885216] [2024-05-30 16:04:40,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189885216] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:04:40,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2028540291] [2024-05-30 16:04:40,471 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-30 16:04:40,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:04:40,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:04:40,473 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) [2024-05-30 16:04:40,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-30 16:04:40,613 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-05-30 16:04:40,614 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:04:40,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 14 conjunts are in the unsatisfiable core [2024-05-30 16:04:40,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:04:40,735 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-30 16:04:40,735 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:04:40,906 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-30 16:04:40,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2028540291] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:04:40,906 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:04:40,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 19 [2024-05-30 16:04:40,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693115527] [2024-05-30 16:04:40,907 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:04:40,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-05-30 16:04:40,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:04:40,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-05-30 16:04:40,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2024-05-30 16:04:40,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:40,909 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:04:40,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 6.2105263157894735) internal successors, (118), 19 states have internal predecessors, (118), 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) [2024-05-30 16:04:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:04:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:04:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:04:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 16:04:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-30 16:04:40,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:40,910 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:04:41,589 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:41,589 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:41,589 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:41,594 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:41,594 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:41,595 INFO L395 cStratifiedReduction]: Actual level: [~c~0, thread3Thread1of1ForFork1_~i~2] [2024-05-30 16:04:41,606 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:41,607 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:41,607 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:41,619 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:41,619 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:41,619 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:41,628 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:41,628 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:41,628 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:41,631 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:41,631 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:41,631 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:41,639 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:41,640 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:41,640 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:41,652 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:41,652 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:41,653 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:41,661 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:41,662 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:41,662 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:41,711 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:41,712 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:41,712 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:41,721 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:41,721 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:41,721 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:41,721 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:41,721 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:41,721 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:41,733 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:41,733 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:41,733 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:41,741 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:41,741 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:41,741 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:41,751 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:41,752 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:41,752 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:41,760 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:41,761 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:41,761 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:41,771 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:41,772 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:41,772 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:41,787 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:41,787 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:41,787 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:41,794 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:41,795 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:41,795 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:41,803 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:41,803 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:41,803 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:41,811 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:41,811 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:41,811 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:41,819 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:41,820 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:41,820 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:41,831 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:41,831 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:41,831 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:41,845 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:41,846 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:41,846 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:41,854 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:41,854 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:41,855 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:41,991 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:41,991 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:41,992 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:41,998 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:41,998 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:41,998 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,006 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,007 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,007 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,011 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,011 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,011 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,017 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,017 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,017 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,027 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,027 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,027 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,032 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,032 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,032 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,057 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,057 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,057 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,064 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,064 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,064 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,065 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,065 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,065 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,071 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,071 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,071 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,078 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,078 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,078 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,087 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,087 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,087 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,099 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,099 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,099 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,105 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,105 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,105 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,172 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,172 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,172 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,181 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,181 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,181 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,190 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,190 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,190 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,202 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,202 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,202 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,208 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,209 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,209 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,223 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,223 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,223 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,232 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,232 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,232 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,243 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,243 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,243 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,251 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,251 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,251 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,259 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,259 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,259 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,272 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,272 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,272 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,280 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,280 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,280 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,293 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,293 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,293 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,302 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,302 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,302 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,302 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,302 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,302 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,311 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,311 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,312 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,320 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,320 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,320 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,330 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,330 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,330 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,343 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,343 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,344 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,352 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,352 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,352 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,361 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,361 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,361 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,369 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,369 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,369 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,379 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,379 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,379 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,391 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,391 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,392 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,400 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,400 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,400 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:42,483 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,483 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:42,483 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:42,486 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,486 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:42,486 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:42,492 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,492 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:42,492 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:42,498 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:42,498 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:42,498 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:42,512 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1569 states. [2024-05-30 16:04:42,512 INFO L212 cStratifiedReduction]: Copied states 67 times. [2024-05-30 16:04:42,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:42,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:04:42,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:04:42,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:04:42,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 16:04:42,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-30 16:04:42,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-30 16:04:42,513 INFO L78 Accepts]: Start accepts. Automaton has currently 2010 states, but on-demand construction may add more states Word has length 105 [2024-05-30 16:04:42,514 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:04:42,523 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-30 16:04:42,720 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,SelfDestructingSolverStorable6 [2024-05-30 16:04:42,720 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:04:42,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:04:42,721 INFO L85 PathProgramCache]: Analyzing trace with hash -155223668, now seen corresponding path program 4 times [2024-05-30 16:04:42,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:04:42,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223041313] [2024-05-30 16:04:42,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:04:42,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:04:42,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:04:43,151 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:04:43,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:04:43,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223041313] [2024-05-30 16:04:43,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223041313] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:04:43,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2083762815] [2024-05-30 16:04:43,151 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-30 16:04:43,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:04:43,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:04:43,153 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) [2024-05-30 16:04:43,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-30 16:04:43,323 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-30 16:04:43,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:04:43,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 23 conjunts are in the unsatisfiable core [2024-05-30 16:04:43,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:04:43,959 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:04:43,959 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:04:44,667 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:04:44,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2083762815] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:04:44,668 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:04:44,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 12] total 25 [2024-05-30 16:04:44,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423542204] [2024-05-30 16:04:44,668 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:04:44,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-05-30 16:04:44,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:04:44,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-05-30 16:04:44,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2024-05-30 16:04:44,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:44,670 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:04:44,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 9.28) internal successors, (232), 25 states have internal predecessors, (232), 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) [2024-05-30 16:04:44,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:44,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:04:44,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:04:44,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:04:44,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 16:04:44,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-30 16:04:44,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-30 16:04:44,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:44,671 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:04:44,809 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:44,809 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:44,809 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:44,814 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:44,814 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:44,814 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:44,823 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:44,823 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:44,824 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:44,834 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:44,835 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:44,835 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:44,842 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:44,843 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:44,843 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:44,846 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:44,846 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:44,846 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:44,854 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:44,855 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:44,855 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:44,866 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:44,866 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:44,866 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:44,874 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:44,875 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:44,875 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:44,889 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:44,889 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:44,890 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:44,897 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:44,898 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:44,898 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:44,898 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:44,898 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:44,898 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:44,909 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:44,909 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:44,909 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:44,917 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:44,917 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:44,917 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:44,927 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:44,927 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:44,928 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:44,937 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:44,937 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:44,937 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:44,949 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:44,949 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:44,949 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:44,965 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:44,965 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:44,965 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:44,972 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:44,972 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:44,972 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:44,988 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:44,988 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:44,988 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:45,036 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:45,037 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:45,037 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:45,048 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:45,049 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:45,049 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:45,059 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:45,059 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:45,059 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:45,074 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:45,074 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:45,074 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:45,082 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:45,083 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:45,083 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread2Thread1of1ForFork0_#t~post2, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1, thread2Thread1of1ForFork0_~i~1] [2024-05-30 16:04:45,099 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:45,099 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:45,099 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:45,102 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:45,102 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:45,102 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:45,107 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:45,107 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:45,107 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:45,113 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:45,113 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:45,114 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork2_~i~0, thread3Thread1of1ForFork1_#t~post3, ~c~0, thread3Thread1of1ForFork1_~i~2, thread1Thread1of1ForFork2_#t~post1] [2024-05-30 16:04:45,149 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 761 states. [2024-05-30 16:04:45,149 INFO L212 cStratifiedReduction]: Copied states 67 times. [2024-05-30 16:04:45,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:45,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:04:45,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:04:45,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:04:45,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 16:04:45,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-30 16:04:45,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-30 16:04:45,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-30 16:04:45,150 INFO L78 Accepts]: Start accepts. Automaton has currently 1114 states, but on-demand construction may add more states Word has length 110 [2024-05-30 16:04:45,151 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:04:45,160 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-30 16:04:45,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:04:45,358 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:04:45,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:04:45,358 INFO L85 PathProgramCache]: Analyzing trace with hash 950570880, now seen corresponding path program 5 times [2024-05-30 16:04:45,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:04:45,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382186835] [2024-05-30 16:04:45,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:04:45,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:04:45,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:04:45,801 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 23 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-30 16:04:45,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:04:45,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382186835] [2024-05-30 16:04:45,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382186835] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:04:45,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [495287579] [2024-05-30 16:04:45,802 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-30 16:04:45,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:04:45,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:04:45,803 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) [2024-05-30 16:04:45,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-30 16:04:45,912 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-05-30 16:04:45,913 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:04:45,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 22 conjunts are in the unsatisfiable core [2024-05-30 16:04:45,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:04:46,179 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-30 16:04:46,179 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:04:46,491 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-30 16:04:46,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [495287579] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:04:46,492 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:04:46,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 13] total 33 [2024-05-30 16:04:46,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500005836] [2024-05-30 16:04:46,492 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:04:46,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-05-30 16:04:46,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:04:46,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-05-30 16:04:46,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=952, Unknown=0, NotChecked=0, Total=1056 [2024-05-30 16:04:46,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:46,494 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:04:46,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 4.96969696969697) internal successors, (164), 33 states have internal predecessors, (164), 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) [2024-05-30 16:04:46,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:46,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:04:46,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:04:46,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:04:46,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 16:04:46,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-30 16:04:46,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-30 16:04:46,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-30 16:04:46,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:46,495 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:04:48,121 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 249 states. [2024-05-30 16:04:48,121 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:04:48,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:48,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:04:48,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:04:48,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:04:48,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 16:04:48,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-30 16:04:48,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-30 16:04:48,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-30 16:04:48,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:04:48,123 INFO L78 Accepts]: Start accepts. Automaton has currently 250 states, but on-demand construction may add more states Word has length 125 [2024-05-30 16:04:48,124 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:04:48,133 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-30 16:04:48,324 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,SelfDestructingSolverStorable8 [2024-05-30 16:04:48,325 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:04:48,325 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:04:48,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1787535851, now seen corresponding path program 6 times [2024-05-30 16:04:48,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:04:48,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886905641] [2024-05-30 16:04:48,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:04:48,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:04:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:04:48,924 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 2 proven. 50 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-05-30 16:04:48,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:04:48,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886905641] [2024-05-30 16:04:48,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886905641] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:04:48,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900706223] [2024-05-30 16:04:48,925 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-30 16:04:48,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:04:48,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:04:48,926 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) [2024-05-30 16:04:48,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-30 16:04:49,068 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-05-30 16:04:49,068 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:04:49,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 30 conjunts are in the unsatisfiable core [2024-05-30 16:04:49,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:04:49,439 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-05-30 16:04:49,439 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:04:49,939 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-05-30 16:04:49,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [900706223] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:04:49,939 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:04:49,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 17] total 43 [2024-05-30 16:04:49,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007268784] [2024-05-30 16:04:49,939 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:04:49,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-05-30 16:04:49,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:04:49,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-05-30 16:04:49,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=1663, Unknown=0, NotChecked=0, Total=1806 [2024-05-30 16:04:49,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:49,942 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:04:49,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 4.395348837209302) internal successors, (189), 43 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) [2024-05-30 16:04:49,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:49,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:04:49,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:04:49,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:04:49,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 16:04:49,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-30 16:04:49,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-30 16:04:49,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-30 16:04:49,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:04:49,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:49,943 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:04:52,898 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 298 states. [2024-05-30 16:04:52,898 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:04:52,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:52,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:04:52,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:04:52,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:04:52,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 16:04:52,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-30 16:04:52,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-30 16:04:52,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-30 16:04:52,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:04:52,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-30 16:04:52,899 INFO L78 Accepts]: Start accepts. Automaton has currently 299 states, but on-demand construction may add more states Word has length 145 [2024-05-30 16:04:52,900 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:04:52,909 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-30 16:04:53,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:04:53,106 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:04:53,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:04:53,106 INFO L85 PathProgramCache]: Analyzing trace with hash 2145072492, now seen corresponding path program 7 times [2024-05-30 16:04:53,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:04:53,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56841007] [2024-05-30 16:04:53,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:04:53,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:04:53,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:04:53,900 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-05-30 16:04:53,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:04:53,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56841007] [2024-05-30 16:04:53,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56841007] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:04:53,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386564471] [2024-05-30 16:04:53,900 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-30 16:04:53,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:04:53,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:04:53,905 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) [2024-05-30 16:04:53,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-30 16:04:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:04:54,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 38 conjunts are in the unsatisfiable core [2024-05-30 16:04:54,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:04:54,381 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-05-30 16:04:54,381 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:04:55,085 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-05-30 16:04:55,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [386564471] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:04:55,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:04:55,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 21, 21] total 52 [2024-05-30 16:04:55,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139349212] [2024-05-30 16:04:55,086 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:04:55,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-05-30 16:04:55,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:04:55,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-05-30 16:04:55,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=226, Invalid=2426, Unknown=0, NotChecked=0, Total=2652 [2024-05-30 16:04:55,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:55,089 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:04:55,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 4.019230769230769) internal successors, (209), 52 states have internal predecessors, (209), 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) [2024-05-30 16:04:55,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:55,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:04:55,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:04:55,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:04:55,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 16:04:55,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-30 16:04:55,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-30 16:04:55,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-30 16:04:55,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:04:55,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-30 16:04:55,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:55,090 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:04:59,874 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 367 states. [2024-05-30 16:04:59,874 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:04:59,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:59,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:04:59,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:04:59,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:04:59,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 16:04:59,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-30 16:04:59,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-30 16:04:59,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-30 16:04:59,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:04:59,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-30 16:04:59,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-05-30 16:04:59,875 INFO L78 Accepts]: Start accepts. Automaton has currently 368 states, but on-demand construction may add more states Word has length 170 [2024-05-30 16:04:59,876 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:04:59,884 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-05-30 16:05:00,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:05:00,083 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:05:00,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:05:00,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1562561152, now seen corresponding path program 8 times [2024-05-30 16:05:00,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:05:00,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076925212] [2024-05-30 16:05:00,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:05:00,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:05:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:05:00,860 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 0 proven. 199 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-05-30 16:05:00,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:05:00,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076925212] [2024-05-30 16:05:00,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076925212] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:05:00,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1836373555] [2024-05-30 16:05:00,861 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 16:05:00,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:05:00,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:05:00,862 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) [2024-05-30 16:05:00,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-30 16:05:00,969 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-30 16:05:00,970 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:05:00,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 38 conjunts are in the unsatisfiable core [2024-05-30 16:05:00,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:05:01,561 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-05-30 16:05:01,561 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:05:02,374 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-05-30 16:05:02,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1836373555] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:05:02,375 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:05:02,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 21, 21] total 61 [2024-05-30 16:05:02,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344589916] [2024-05-30 16:05:02,375 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:05:02,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-05-30 16:05:02,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:05:02,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-05-30 16:05:02,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=3421, Unknown=0, NotChecked=0, Total=3660 [2024-05-30 16:05:02,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:05:02,378 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:05:02,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 4.032786885245901) internal successors, (246), 61 states have internal predecessors, (246), 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) [2024-05-30 16:05:02,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:05:02,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:05:02,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:05:02,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:05:02,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 16:05:02,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-30 16:05:02,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-30 16:05:02,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-30 16:05:02,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:05:02,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-30 16:05:02,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-05-30 16:05:02,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:05:02,380 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:05:08,721 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 398 states. [2024-05-30 16:05:08,721 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:05:08,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:05:08,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:05:08,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:05:08,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:05:08,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 16:05:08,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-30 16:05:08,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-30 16:05:08,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-30 16:05:08,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:05:08,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-30 16:05:08,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-05-30 16:05:08,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-05-30 16:05:08,728 INFO L78 Accepts]: Start accepts. Automaton has currently 399 states, but on-demand construction may add more states Word has length 190 [2024-05-30 16:05:08,729 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:05:08,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-05-30 16:05:08,936 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,SelfDestructingSolverStorable11 [2024-05-30 16:05:08,936 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:05:08,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:05:08,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1223293792, now seen corresponding path program 9 times [2024-05-30 16:05:08,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:05:08,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313862512] [2024-05-30 16:05:08,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:05:08,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:05:09,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:05:10,085 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 0 proven. 267 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-05-30 16:05:10,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:05:10,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313862512] [2024-05-30 16:05:10,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313862512] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:05:10,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407592662] [2024-05-30 16:05:10,086 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-30 16:05:10,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:05:10,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:05:10,087 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) [2024-05-30 16:05:10,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-05-30 16:05:10,768 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-05-30 16:05:10,768 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:05:10,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 54 conjunts are in the unsatisfiable core [2024-05-30 16:05:10,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:05:11,737 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 0 proven. 224 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-05-30 16:05:11,737 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:05:13,076 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 0 proven. 224 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-05-30 16:05:13,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407592662] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:05:13,076 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:05:13,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 29, 29] total 85 [2024-05-30 16:05:13,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617084397] [2024-05-30 16:05:13,077 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:05:13,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-05-30 16:05:13,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:05:13,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-05-30 16:05:13,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=379, Invalid=6761, Unknown=0, NotChecked=0, Total=7140 [2024-05-30 16:05:13,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:05:13,081 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:05:13,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 3.6) internal successors, (306), 85 states have internal predecessors, (306), 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) [2024-05-30 16:05:13,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:05:13,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:05:13,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:05:13,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:05:13,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 16:05:13,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-30 16:05:13,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-30 16:05:13,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-30 16:05:13,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:05:13,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-30 16:05:13,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-05-30 16:05:13,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-05-30 16:05:13,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:05:13,082 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:05:37,851 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 453 states. [2024-05-30 16:05:37,852 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:05:37,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:05:37,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:05:37,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:05:37,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:05:37,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 16:05:37,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-30 16:05:37,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-30 16:05:37,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-30 16:05:37,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:05:37,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-30 16:05:37,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-05-30 16:05:37,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-05-30 16:05:37,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2024-05-30 16:05:37,853 INFO L78 Accepts]: Start accepts. Automaton has currently 454 states, but on-demand construction may add more states Word has length 220 [2024-05-30 16:05:37,855 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:05:37,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-05-30 16:05:38,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:05:38,055 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:05:38,055 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:05:38,056 INFO L85 PathProgramCache]: Analyzing trace with hash -409098272, now seen corresponding path program 10 times [2024-05-30 16:05:38,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:05:38,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863258932] [2024-05-30 16:05:38,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:05:38,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:05:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:05:39,697 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 0 proven. 337 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2024-05-30 16:05:39,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:05:39,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863258932] [2024-05-30 16:05:39,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863258932] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:05:39,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877283034] [2024-05-30 16:05:39,698 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-30 16:05:39,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:05:39,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:05:39,700 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) [2024-05-30 16:05:39,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-05-30 16:05:39,843 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-30 16:05:39,843 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:05:39,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 70 conjunts are in the unsatisfiable core [2024-05-30 16:05:39,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:05:40,637 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 0 proven. 337 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2024-05-30 16:05:40,637 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:05:42,249 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 0 proven. 337 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2024-05-30 16:05:42,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1877283034] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:05:42,249 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:05:42,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 37, 37] total 72 [2024-05-30 16:05:42,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013804843] [2024-05-30 16:05:42,249 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:05:42,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2024-05-30 16:05:42,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:05:42,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2024-05-30 16:05:42,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=321, Invalid=4791, Unknown=0, NotChecked=0, Total=5112 [2024-05-30 16:05:42,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:05:42,259 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:05:42,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 3.513888888888889) internal successors, (253), 72 states have internal predecessors, (253), 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) [2024-05-30 16:05:42,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:05:42,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:05:42,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:05:42,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:05:42,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 16:05:42,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-30 16:05:42,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-30 16:05:42,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-30 16:05:42,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:05:42,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-30 16:05:42,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-05-30 16:05:42,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-05-30 16:05:42,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2024-05-30 16:05:42,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:05:42,261 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:06:49,768 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 574 states. [2024-05-30 16:06:49,768 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:06:49,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:06:49,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:06:49,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:06:49,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:06:49,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 16:06:49,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-30 16:06:49,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-30 16:06:49,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-30 16:06:49,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:06:49,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-30 16:06:49,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-05-30 16:06:49,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-05-30 16:06:49,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2024-05-30 16:06:49,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2024-05-30 16:06:49,770 INFO L78 Accepts]: Start accepts. Automaton has currently 575 states, but on-demand construction may add more states Word has length 260 [2024-05-30 16:06:49,772 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:06:49,780 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-05-30 16:06:49,972 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,SelfDestructingSolverStorable13 [2024-05-30 16:06:49,973 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:06:49,973 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:06:49,973 INFO L85 PathProgramCache]: Analyzing trace with hash 915352886, now seen corresponding path program 11 times [2024-05-30 16:06:49,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:06:49,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526435604] [2024-05-30 16:06:49,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:06:49,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:06:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:06:52,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1147 backedges. 0 proven. 763 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2024-05-30 16:06:52,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:06:52,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526435604] [2024-05-30 16:06:52,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526435604] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:06:52,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451945438] [2024-05-30 16:06:52,165 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-30 16:06:52,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:06:52,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:06:52,168 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) [2024-05-30 16:06:52,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process Received shutdown request... [2024-05-30 16:18:48,064 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-30 16:18:48,064 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 [2024-05-30 16:18:48,064 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 [2024-05-30 16:18:49,079 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-05-30 16:18:49,086 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2024-05-30 16:18:49,265 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forcibly destroying the process [2024-05-30 16:18:49,275 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-05-30 16:18:49,276 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-05-30 16:18:49,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2024-05-30 16:18:49,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 137 [2024-05-30 16:18:49,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252008562] [2024-05-30 16:18:49,276 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-05-30 16:18:49,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-05-30 16:18:49,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:18:49,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-05-30 16:18:49,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1953, Unknown=0, NotChecked=0, Total=2070 [2024-05-30 16:18:49,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:18:49,278 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:18:49,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 4.086956521739131) internal successors, (188), 46 states have internal predecessors, (188), 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) [2024-05-30 16:18:49,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:18:49,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-30 16:18:49,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:18:49,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:18:49,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 16:18:49,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-30 16:18:49,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-30 16:18:49,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-30 16:18:49,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-30 16:18:49,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-30 16:18:49,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-05-30 16:18:49,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-05-30 16:18:49,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2024-05-30 16:18:49,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2024-05-30 16:18:49,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:18:49,279 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:18:49,279 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1 states. [2024-05-30 16:18:49,279 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:18:49,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-05-30 16:18:49,279 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction. [2024-05-30 16:18:49,281 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 16:18:49,296 INFO L445 BasicCegarLoop]: Path program histogram: [11, 1, 1, 1, 1] [2024-05-30 16:18:49,298 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/4) [2024-05-30 16:18:49,299 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-30 16:18:49,299 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-30 16:18:49,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.05 04:18:49 BasicIcfg [2024-05-30 16:18:49,316 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-30 16:18:49,317 INFO L158 Benchmark]: Toolchain (without parser) took 858480.34ms. Allocated memory was 174.1MB in the beginning and 878.7MB in the end (delta: 704.6MB). Free memory was 107.2MB in the beginning and 778.3MB in the end (delta: -671.1MB). Peak memory consumption was 34.5MB. Max. memory is 8.0GB. [2024-05-30 16:18:49,317 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 174.1MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-30 16:18:49,317 INFO L158 Benchmark]: CACSL2BoogieTranslator took 222.57ms. Allocated memory is still 174.1MB. Free memory was 107.0MB in the beginning and 95.4MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-05-30 16:18:49,318 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.54ms. Allocated memory is still 174.1MB. Free memory was 95.4MB in the beginning and 93.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-30 16:18:49,318 INFO L158 Benchmark]: Boogie Preprocessor took 24.66ms. Allocated memory is still 174.1MB. Free memory was 93.8MB in the beginning and 92.5MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-30 16:18:49,318 INFO L158 Benchmark]: RCFGBuilder took 398.79ms. Allocated memory was 174.1MB in the beginning and 288.4MB in the end (delta: 114.3MB). Free memory was 92.3MB in the beginning and 247.0MB in the end (delta: -154.7MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2024-05-30 16:18:49,318 INFO L158 Benchmark]: TraceAbstraction took 857782.84ms. Allocated memory was 288.4MB in the beginning and 878.7MB in the end (delta: 590.3MB). Free memory was 246.0MB in the beginning and 778.3MB in the end (delta: -532.3MB). Peak memory consumption was 59.7MB. Max. memory is 8.0GB. [2024-05-30 16:18:49,319 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 174.1MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 222.57ms. Allocated memory is still 174.1MB. Free memory was 107.0MB in the beginning and 95.4MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.54ms. Allocated memory is still 174.1MB. Free memory was 95.4MB in the beginning and 93.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.66ms. Allocated memory is still 174.1MB. Free memory was 93.8MB in the beginning and 92.5MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 398.79ms. Allocated memory was 174.1MB in the beginning and 288.4MB in the end (delta: 114.3MB). Free memory was 92.3MB in the beginning and 247.0MB in the end (delta: -154.7MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 857782.84ms. Allocated memory was 288.4MB in the beginning and 878.7MB in the end (delta: 590.3MB). Free memory was 246.0MB in the beginning and 778.3MB in the end (delta: -532.3MB). Peak memory consumption was 59.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9565, independent: 9060, independent conditional: 9060, independent unconditional: 0, dependent: 505, dependent conditional: 505, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9060, independent: 9060, independent conditional: 9060, 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: 9060, independent: 9060, independent conditional: 9060, 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: 9060, independent: 9060, independent conditional: 0, independent unconditional: 9060, 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: 9060, independent: 9060, independent conditional: 0, independent unconditional: 9060, 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: 9060, independent: 9060, independent conditional: 0, independent unconditional: 9060, 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: 9060, independent: 9060, independent conditional: 0, independent unconditional: 9060, 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: 9060, independent: 9060, independent conditional: 0, independent unconditional: 9060, 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: 9060, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 9060, unknown conditional: 0, unknown unconditional: 9060] , Statistics on independence cache: Total cache size (in pairs): 9060, Positive cache size: 9060, Positive conditional cache size: 0, Positive unconditional cache size: 9060, 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: 505 - StatisticsResult: Reduction benchmarks 25.5ms Time before loop, 940.5ms Time in loop, 1.0s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 51, Reduction States: 571, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 19.9ms Time before loop, 355.2ms Time in loop, 0.4s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 51, Reduction States: 623, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 34.8ms Time before loop, 112.6ms Time in loop, 0.1s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 18, Reduction States: 306, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 17.2ms Time before loop, 210.4ms Time in loop, 0.2s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 23, Reduction States: 363, Duplicate States: 16, Protected Variables: 2 - StatisticsResult: Reduction benchmarks 17.7ms Time before loop, 249.1ms Time in loop, 0.3s Time in total, Has Loop: 1, wrong guesses: 4, overall guesses: 31, Reduction States: 475, Duplicate States: 92, Protected Variables: 2 - StatisticsResult: Reduction benchmarks 57.8ms Time before loop, 197.5ms Time in loop, 0.3s Time in total, Has Loop: 1, wrong guesses: 5, overall guesses: 27, Reduction States: 450, Duplicate States: 51, Protected Variables: 2 - StatisticsResult: Reduction benchmarks 327.8ms Time before loop, 957.9ms Time in loop, 1.3s Time in total, Has Loop: 1, wrong guesses: 5, overall guesses: 72, Reduction States: 1004, Duplicate States: 51, Protected Variables: 2 - StatisticsResult: Reduction benchmarks 389.0ms Time before loop, 1213.1ms Time in loop, 1.6s Time in total, Has Loop: 1, wrong guesses: 5, overall guesses: 72, Reduction States: 1569, Duplicate States: 67, Protected Variables: 5 - StatisticsResult: Reduction benchmarks 107.7ms Time before loop, 370.4ms Time in loop, 0.5s Time in total, Has Loop: 1, wrong guesses: 5, overall guesses: 32, Reduction States: 761, Duplicate States: 67, Protected Variables: 5 - StatisticsResult: Reduction benchmarks 959.3ms Time before loop, 666.0ms Time in loop, 1.6s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 3, Reduction States: 249, Duplicate States: 0, Protected Variables: 5 - StatisticsResult: Reduction benchmarks 1789.9ms Time before loop, 1164.5ms Time in loop, 3.0s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 3, Reduction States: 298, Duplicate States: 0, Protected Variables: 5 - StatisticsResult: Reduction benchmarks 3941.5ms Time before loop, 841.6ms Time in loop, 4.8s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 3, Reduction States: 367, Duplicate States: 0, Protected Variables: 5 - StatisticsResult: Reduction benchmarks 1492.1ms Time before loop, 4848.9ms Time in loop, 6.3s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 3, Reduction States: 398, Duplicate States: 0, Protected Variables: 5 - StatisticsResult: Reduction benchmarks 2375.3ms Time before loop, 22393.7ms Time in loop, 24.8s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 3, Reduction States: 453, Duplicate States: 0, Protected Variables: 5 - StatisticsResult: Reduction benchmarks 66225.6ms Time before loop, 1281.5ms Time in loop, 67.5s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 3, Reduction States: 574, Duplicate States: 0, Protected Variables: 5 - StatisticsResult: Reduction benchmarks 0.3ms Time before loop, 0.0ms Time in loop, 0.0s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 1, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Visitor Statistics States: 521, Transitions: 619, Traversal time: 1.0s - StatisticsResult: Visitor Statistics States: 521, Transitions: 620, Traversal time: 0.4s - StatisticsResult: Visitor Statistics States: 226, Transitions: 259, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 277, Transitions: 322, Traversal time: 0.2s - StatisticsResult: Visitor Statistics States: 371, Transitions: 481, Traversal time: 0.3s - StatisticsResult: Visitor Statistics States: 335, Transitions: 434, Traversal time: 0.3s - StatisticsResult: Visitor Statistics States: 813, Transitions: 1098, Traversal time: 1.3s - StatisticsResult: Visitor Statistics States: 1317, Transitions: 1726, Traversal time: 1.6s - StatisticsResult: Visitor Statistics States: 600, Transitions: 769, Traversal time: 0.5s - StatisticsResult: Visitor Statistics States: 130, Transitions: 133, Traversal time: 1.6s - StatisticsResult: Visitor Statistics States: 150, Transitions: 153, Traversal time: 3.0s - StatisticsResult: Visitor Statistics States: 175, Transitions: 178, Traversal time: 4.8s - StatisticsResult: Visitor Statistics States: 192, Transitions: 195, Traversal time: 6.3s - StatisticsResult: Visitor Statistics States: 222, Transitions: 225, Traversal time: 24.8s - StatisticsResult: Visitor Statistics States: 265, Transitions: 268, Traversal time: 67.5s - StatisticsResult: Visitor Statistics States: 1, Transitions: 0, Traversal time: 0.0s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 96, RedundantProofs: 15, ProvenStates: 902, Times there's more than one choice: 653, Avg number of choices: 4.331485587583148 - 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 7 procedures, 136 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 857.6s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 11, EmptinessCheckTime: 113.6s, 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: 674, 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: 0.2s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 21.4s InterpolantComputationTime, 3361 NumberOfCodeBlocks, 3356 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 4759 ConstructedInterpolants, 18 QuantifiedInterpolants, 26498 SizeOfPredicates, 163 NumberOfNonLiveVariables, 3058 ConjunctsInSsa, 328 ConjunctsInUnsatCore, 37 InterpolantComputations, 4 PerfectInterpolantSequences, 2662/6254 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