/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-e23131f-m [2024-05-03 05:17:38,608 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-03 05:17:38,678 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-05-03 05:17:38,682 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-03 05:17:38,682 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-03 05:17:38,683 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-05-03 05:17:38,707 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-03 05:17:38,708 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-03 05:17:38,708 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-03 05:17:38,712 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-03 05:17:38,712 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-03 05:17:38,713 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-03 05:17:38,713 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-03 05:17:38,714 INFO L153 SettingsManager]: * Use SBE=true [2024-05-03 05:17:38,715 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-03 05:17:38,715 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-03 05:17:38,715 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-03 05:17:38,715 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-03 05:17:38,715 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-03 05:17:38,715 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-03 05:17:38,716 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-03 05:17:38,716 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-03 05:17:38,716 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-03 05:17:38,716 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-03 05:17:38,716 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-03 05:17:38,717 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-03 05:17:38,717 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-03 05:17:38,717 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-03 05:17:38,717 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-03 05:17:38,717 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-03 05:17:38,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 05:17:38,719 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-03 05:17:38,719 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-03 05:17:38,719 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-05-03 05:17:38,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-03 05:17:38,719 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-03 05:17:38,719 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-05-03 05:17:38,719 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-05-03 05:17:38,720 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-03 05:17:38,720 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-03 05:17:38,720 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-03 05:17:38,720 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-03 05:17:38,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-03 05:17:38,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-03 05:17:38,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-03 05:17:38,968 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-03 05:17:38,968 INFO L274 PluginConnector]: CDTParser initialized [2024-05-03 05:17:38,969 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c [2024-05-03 05:17:40,019 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-03 05:17:40,145 INFO L384 CDTParser]: Found 1 translation units. [2024-05-03 05:17:40,146 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c [2024-05-03 05:17:40,162 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/aadf18e0b/9331c97316954dd1aecc370e6bbd6f60/FLAGa51d81b0c [2024-05-03 05:17:40,173 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/aadf18e0b/9331c97316954dd1aecc370e6bbd6f60 [2024-05-03 05:17:40,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-03 05:17:40,176 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-03 05:17:40,177 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-03 05:17:40,177 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-03 05:17:40,191 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-03 05:17:40,191 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 05:17:40" (1/1) ... [2024-05-03 05:17:40,192 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ccb6525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:17:40, skipping insertion in model container [2024-05-03 05:17:40,192 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 05:17:40" (1/1) ... [2024-05-03 05:17:40,213 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-03 05:17:40,330 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c[2591,2604] [2024-05-03 05:17:40,333 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 05:17:40,341 INFO L202 MainTranslator]: Completed pre-run [2024-05-03 05:17:40,355 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c[2591,2604] [2024-05-03 05:17:40,356 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 05:17:40,367 INFO L206 MainTranslator]: Completed translation [2024-05-03 05:17:40,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:17:40 WrapperNode [2024-05-03 05:17:40,367 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-03 05:17:40,368 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-03 05:17:40,368 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-03 05:17:40,368 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-03 05:17:40,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:17:40" (1/1) ... [2024-05-03 05:17:40,379 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:17:40" (1/1) ... [2024-05-03 05:17:40,394 INFO L138 Inliner]: procedures = 22, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2024-05-03 05:17:40,394 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-03 05:17:40,395 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-03 05:17:40,395 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-03 05:17:40,395 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-03 05:17:40,401 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:17:40" (1/1) ... [2024-05-03 05:17:40,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:17:40" (1/1) ... [2024-05-03 05:17:40,403 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:17:40" (1/1) ... [2024-05-03 05:17:40,403 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:17:40" (1/1) ... [2024-05-03 05:17:40,407 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:17:40" (1/1) ... [2024-05-03 05:17:40,409 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:17:40" (1/1) ... [2024-05-03 05:17:40,410 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:17:40" (1/1) ... [2024-05-03 05:17:40,411 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:17:40" (1/1) ... [2024-05-03 05:17:40,412 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-03 05:17:40,413 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-03 05:17:40,413 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-03 05:17:40,413 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-03 05:17:40,414 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:17:40" (1/1) ... [2024-05-03 05:17:40,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 05:17:40,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:17:40,452 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-03 05:17:40,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-03 05:17:40,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-03 05:17:40,492 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-03 05:17:40,492 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-03 05:17:40,492 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-03 05:17:40,492 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-03 05:17:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-03 05:17:40,493 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-03 05:17:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-03 05:17:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-03 05:17:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-03 05:17:40,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-03 05:17:40,495 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-03 05:17:40,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-03 05:17:40,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-03 05:17:40,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-03 05:17:40,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-03 05:17:40,497 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-03 05:17:40,621 INFO L241 CfgBuilder]: Building ICFG [2024-05-03 05:17:40,623 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-03 05:17:40,813 INFO L282 CfgBuilder]: Performing block encoding [2024-05-03 05:17:40,862 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-03 05:17:40,863 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-05-03 05:17:40,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 05:17:40 BoogieIcfgContainer [2024-05-03 05:17:40,863 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-03 05:17:40,873 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-03 05:17:40,873 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-03 05:17:40,876 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-03 05:17:40,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.05 05:17:40" (1/3) ... [2024-05-03 05:17:40,877 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c0b4337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 05:17:40, skipping insertion in model container [2024-05-03 05:17:40,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 05:17:40" (2/3) ... [2024-05-03 05:17:40,878 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c0b4337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 05:17:40, skipping insertion in model container [2024-05-03 05:17:40,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 05:17:40" (3/3) ... [2024-05-03 05:17:40,881 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-mult-equiv.wvr.c [2024-05-03 05:17:40,889 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-03 05:17:40,897 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-03 05:17:40,897 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-03 05:17:40,897 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-03 05:17:40,962 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-05-03 05:17:40,994 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 05:17:40,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 05:17:40,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:17:40,997 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-03 05:17:41,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-03 05:17:41,035 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 05:17:41,047 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-03 05:17:41,052 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;@7da1a9ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 05:17:41,052 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-03 05:17:41,066 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:17:41,184 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:41,184 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:41,184 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:41,256 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:41,256 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:41,256 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:41,282 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:41,283 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:41,283 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:41,313 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:41,314 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:41,314 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:41,327 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:41,328 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:41,330 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:41,346 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:41,346 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:41,346 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:41,379 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:41,379 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:41,379 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:41,470 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:41,471 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:41,471 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:41,520 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:41,520 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:41,520 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:41,570 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:41,571 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:41,571 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:41,589 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:41,589 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:41,590 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:41,609 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:41,609 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:41,610 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:41,634 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:41,635 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:41,635 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:41,656 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:41,657 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:41,657 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:41,671 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:41,671 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:41,671 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:41,688 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:41,688 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:41,688 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:41,693 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 215 states. [2024-05-03 05:17:41,693 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 05:17:41,696 INFO L78 Accepts]: Start accepts. Automaton has currently 249 states, but on-demand construction may add more states Word has length 69 [2024-05-03 05:17:41,698 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:17:41,699 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:17:41,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:17:41,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1970267391, now seen corresponding path program 1 times [2024-05-03 05:17:41,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:17:41,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121939619] [2024-05-03 05:17:41,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:17:41,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:17:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:17:41,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:17:41,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:17:41,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121939619] [2024-05-03 05:17:41,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121939619] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 05:17:41,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 05:17:41,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-03 05:17:41,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920784623] [2024-05-03 05:17:41,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 05:17:41,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-03 05:17:41,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:17:42,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-03 05:17:42,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-03 05:17:42,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:42,005 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:17:42,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 05:17:42,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:42,006 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:17:42,056 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:42,056 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:42,057 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:42,076 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:42,076 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:42,076 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:42,088 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:42,088 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:42,088 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:42,101 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:42,101 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:42,101 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:42,109 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:42,109 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:42,110 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:42,118 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:42,118 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:42,118 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:42,132 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:42,133 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:42,133 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:42,162 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:42,162 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:42,162 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:42,191 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:42,191 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:42,191 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:42,209 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:42,209 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:42,210 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:42,224 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:42,225 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:42,227 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:42,245 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:42,246 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:42,251 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:42,265 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:42,265 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:42,265 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:42,277 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:42,277 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:42,278 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:42,283 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:42,284 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:42,284 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:42,292 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:42,293 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:42,293 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:42,297 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 254 states. [2024-05-03 05:17:42,297 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 05:17:42,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:42,298 INFO L78 Accepts]: Start accepts. Automaton has currently 294 states, but on-demand construction may add more states Word has length 68 [2024-05-03 05:17:42,298 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:17:42,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-03 05:17:42,299 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:17:42,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:17:42,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1044785147, now seen corresponding path program 1 times [2024-05-03 05:17:42,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:17:42,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685226689] [2024-05-03 05:17:42,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:17:42,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:17:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:17:42,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:17:42,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:17:42,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685226689] [2024-05-03 05:17:42,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685226689] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 05:17:42,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 05:17:42,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-03 05:17:42,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712534269] [2024-05-03 05:17:42,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 05:17:42,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-03 05:17:42,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:17:42,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-03 05:17:42,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-05-03 05:17:42,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:42,818 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:17:42,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 05:17:42,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:42,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:42,819 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:17:42,880 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:42,880 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:42,880 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:42,897 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:42,898 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:42,898 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:42,919 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:42,919 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:42,919 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:42,931 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:42,931 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:42,932 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:42,941 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:42,942 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:42,942 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:42,960 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:42,961 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:42,961 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:42,973 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:42,974 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:42,974 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:42,984 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:42,984 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:42,984 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:42,999 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:42,999 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:43,000 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:43,019 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 225 states. [2024-05-03 05:17:43,019 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 05:17:43,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:43,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 05:17:43,020 INFO L78 Accepts]: Start accepts. Automaton has currently 262 states, but on-demand construction may add more states Word has length 71 [2024-05-03 05:17:43,020 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:17:43,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-03 05:17:43,020 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:17:43,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:17:43,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1349009576, now seen corresponding path program 1 times [2024-05-03 05:17:43,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:17:43,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50027079] [2024-05-03 05:17:43,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:17:43,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:17:43,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:17:43,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:17:43,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:17:43,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50027079] [2024-05-03 05:17:43,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50027079] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:17:43,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701775359] [2024-05-03 05:17:43,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:17:43,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:17:43,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:17:43,290 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:17:43,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-03 05:17:43,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:17:43,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 15 conjunts are in the unsatisfiable core [2024-05-03 05:17:43,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:17:43,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:17:43,631 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:17:43,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:17:43,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [701775359] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:17:43,955 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:17:43,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 8] total 16 [2024-05-03 05:17:43,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292546821] [2024-05-03 05:17:43,955 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:17:43,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-05-03 05:17:43,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:17:43,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-05-03 05:17:43,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2024-05-03 05:17:43,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:43,957 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:17:43,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 11.625) internal successors, (186), 16 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 05:17:43,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:43,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 05:17:43,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:43,957 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:17:44,130 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:44,130 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:44,131 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-03 05:17:44,152 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:44,153 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:44,156 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:44,180 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:44,181 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:44,182 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:44,193 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:44,193 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:44,193 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:44,208 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:44,209 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:44,209 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:44,230 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:44,230 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:44,230 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:44,251 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:44,251 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:44,251 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:44,251 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:44,251 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:44,251 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:44,282 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:44,283 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:44,283 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:44,293 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:44,293 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:44,293 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:44,310 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:44,310 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:44,310 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:44,319 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:44,319 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:44,319 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:44,323 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:44,323 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:44,323 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:44,325 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:44,325 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:44,325 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:44,343 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 275 states. [2024-05-03 05:17:44,343 INFO L212 cStratifiedReduction]: Copied states 20 times. [2024-05-03 05:17:44,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:44,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 05:17:44,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-03 05:17:44,344 INFO L78 Accepts]: Start accepts. Automaton has currently 310 states, but on-demand construction may add more states Word has length 73 [2024-05-03 05:17:44,346 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:17:44,363 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-03 05:17:44,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-05-03 05:17:44,551 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:17:44,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:17:44,553 INFO L85 PathProgramCache]: Analyzing trace with hash -553540837, now seen corresponding path program 1 times [2024-05-03 05:17:44,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:17:44,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878272749] [2024-05-03 05:17:44,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:17:44,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:17:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:17:44,996 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:17:44,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:17:44,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878272749] [2024-05-03 05:17:44,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878272749] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:17:44,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548849175] [2024-05-03 05:17:44,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:17:44,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:17:44,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:17:45,014 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:17:45,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-03 05:17:45,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:17:45,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 17 conjunts are in the unsatisfiable core [2024-05-03 05:17:45,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:17:45,406 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:17:45,406 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:17:46,019 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:17:46,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548849175] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:17:46,020 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:17:46,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 19 [2024-05-03 05:17:46,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710155308] [2024-05-03 05:17:46,020 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:17:46,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-05-03 05:17:46,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:17:46,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-05-03 05:17:46,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2024-05-03 05:17:46,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:46,021 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:17:46,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 9.263157894736842) internal successors, (176), 19 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 05:17:46,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:46,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 05:17:46,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-03 05:17:46,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:46,022 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:17:46,301 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:46,301 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:46,301 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:46,311 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:46,311 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:46,311 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:46,427 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:46,428 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:46,428 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:46,444 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:46,444 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:46,444 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:46,451 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:46,451 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:46,452 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:46,464 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:46,464 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:46,464 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:46,478 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:46,478 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:46,478 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:46,492 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:46,492 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:46,492 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:46,492 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:46,493 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:46,493 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:46,508 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:46,508 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:46,508 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:46,530 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:46,530 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:46,531 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:46,541 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:46,541 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:46,541 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:46,544 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:46,545 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:46,545 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:46,547 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:46,547 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:46,547 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:46,593 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 287 states. [2024-05-03 05:17:46,593 INFO L212 cStratifiedReduction]: Copied states 19 times. [2024-05-03 05:17:46,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:46,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 05:17:46,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-03 05:17:46,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-03 05:17:46,593 INFO L78 Accepts]: Start accepts. Automaton has currently 329 states, but on-demand construction may add more states Word has length 76 [2024-05-03 05:17:46,594 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:17:46,612 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-03 05:17:46,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:17:46,800 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:17:46,800 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:17:46,800 INFO L85 PathProgramCache]: Analyzing trace with hash -799123544, now seen corresponding path program 2 times [2024-05-03 05:17:46,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:17:46,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731855781] [2024-05-03 05:17:46,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:17:46,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:17:46,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:17:47,198 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:17:47,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:17:47,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731855781] [2024-05-03 05:17:47,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731855781] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:17:47,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506808953] [2024-05-03 05:17:47,199 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 05:17:47,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:17:47,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:17:47,214 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:17:47,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-03 05:17:47,296 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 05:17:47,296 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:17:47,298 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 19 conjunts are in the unsatisfiable core [2024-05-03 05:17:47,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:17:48,159 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:17:48,160 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:17:51,433 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:17:51,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [506808953] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:17:51,434 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:17:51,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 10] total 26 [2024-05-03 05:17:51,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392578147] [2024-05-03 05:17:51,434 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:17:51,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-05-03 05:17:51,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:17:51,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-05-03 05:17:51,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=561, Unknown=0, NotChecked=0, Total=650 [2024-05-03 05:17:51,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:51,436 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:17:51,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 7.730769230769231) internal successors, (201), 26 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 05:17:51,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:51,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 05:17:51,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-03 05:17:51,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-03 05:17:51,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:51,437 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:17:52,460 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:52,460 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:52,460 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:52,481 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:52,482 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:52,482 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:52,499 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:52,499 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:52,499 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:52,506 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:52,506 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:52,506 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:52,518 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:52,518 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:52,518 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:52,530 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:52,531 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:52,531 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:52,544 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:52,545 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:52,545 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:52,565 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:52,565 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:52,565 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:52,565 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:52,565 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:52,565 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:52,581 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:52,581 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:52,582 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:52,589 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:52,589 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:52,590 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:52,634 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:52,635 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:52,635 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:52,679 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:52,679 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:52,679 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:52,685 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:52,685 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:52,685 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:52,727 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 332 states. [2024-05-03 05:17:52,727 INFO L212 cStratifiedReduction]: Copied states 26 times. [2024-05-03 05:17:52,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:52,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 05:17:52,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-03 05:17:52,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-03 05:17:52,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-03 05:17:52,728 INFO L78 Accepts]: Start accepts. Automaton has currently 372 states, but on-demand construction may add more states Word has length 84 [2024-05-03 05:17:52,729 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:17:52,735 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-03 05:17:52,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:17:52,936 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:17:52,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:17:52,936 INFO L85 PathProgramCache]: Analyzing trace with hash -11880905, now seen corresponding path program 1 times [2024-05-03 05:17:52,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:17:52,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542452126] [2024-05-03 05:17:52,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:17:52,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:17:52,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:17:53,187 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-05-03 05:17:53,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:17:53,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542452126] [2024-05-03 05:17:53,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542452126] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 05:17:53,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 05:17:53,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-05-03 05:17:53,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379897110] [2024-05-03 05:17:53,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 05:17:53,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-03 05:17:53,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:17:53,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-03 05:17:53,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-05-03 05:17:53,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:53,188 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:17:53,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 05:17:53,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:53,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 05:17:53,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-03 05:17:53,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-03 05:17:53,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-03 05:17:53,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:53,189 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:17:53,292 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:53,292 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:53,292 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:53,304 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:53,304 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:53,304 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:53,319 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:53,319 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:53,319 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:53,325 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:53,325 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:53,325 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:53,337 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:53,337 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:53,337 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:53,350 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:53,350 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:53,350 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:53,363 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:53,364 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:53,364 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:53,378 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:53,379 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:53,379 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:53,379 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:53,379 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:53,379 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:53,394 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:53,394 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:53,394 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:53,408 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:53,408 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:53,408 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:53,423 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:53,423 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:53,423 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:53,429 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:53,429 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:53,429 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:53,446 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:53,447 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:53,447 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:53,459 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:53,459 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:53,459 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:53,472 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:53,473 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:53,473 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:53,489 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:53,489 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:53,489 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ULTIMATE.start_assume_abort_if_not_~cond#1, ~L~0, ~M~0, ~N~0, ~p~0, ~q~0, ULTIMATE.start_assume_abort_if_not_#in~cond#1] [2024-05-03 05:17:53,526 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 348 states. [2024-05-03 05:17:53,526 INFO L212 cStratifiedReduction]: Copied states 21 times. [2024-05-03 05:17:53,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:53,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 05:17:53,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-03 05:17:53,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-03 05:17:53,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-03 05:17:53,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 05:17:53,527 INFO L78 Accepts]: Start accepts. Automaton has currently 387 states, but on-demand construction may add more states Word has length 81 [2024-05-03 05:17:53,527 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:17:53,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-05-03 05:17:53,528 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:17:53,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:17:53,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1986886914, now seen corresponding path program 3 times [2024-05-03 05:17:53,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:17:53,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695131963] [2024-05-03 05:17:53,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:17:53,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:17:53,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:17:54,042 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:17:54,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:17:54,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695131963] [2024-05-03 05:17:54,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695131963] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:17:54,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322609372] [2024-05-03 05:17:54,042 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 05:17:54,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:17:54,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:17:54,043 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:17:54,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-03 05:17:54,134 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-05-03 05:17:54,135 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:17:54,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 18 conjunts are in the unsatisfiable core [2024-05-03 05:17:54,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:17:54,660 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:17:54,660 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:17:55,180 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:17:55,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1322609372] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:17:55,181 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:17:55,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 28 [2024-05-03 05:17:55,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137391228] [2024-05-03 05:17:55,182 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:17:55,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-05-03 05:17:55,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:17:55,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-05-03 05:17:55,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=609, Unknown=0, NotChecked=0, Total=756 [2024-05-03 05:17:55,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:55,183 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:17:55,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 5.25) internal successors, (147), 28 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 05:17:55,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:55,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 05:17:55,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-03 05:17:55,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-03 05:17:55,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-03 05:17:55,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 05:17:55,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:55,184 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:17:56,560 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:56,560 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:56,560 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:17:56,569 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:56,569 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:17:56,570 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:17:56,584 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:56,584 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:56,584 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:17:56,589 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:56,589 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:17:56,589 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:17:56,601 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:56,601 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:17:56,601 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:17:56,614 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:56,614 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:17:56,614 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:17:56,697 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:56,697 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:17:56,697 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:17:56,718 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:56,718 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:17:56,719 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:17:56,719 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:56,719 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:56,719 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:17:56,739 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:56,740 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:17:56,740 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:17:56,748 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:56,748 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:17:56,748 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:17:56,778 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:56,778 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:17:56,778 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:17:56,793 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:56,793 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:17:56,793 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:17:56,798 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:56,798 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:17:56,798 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:17:56,810 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:56,810 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:17:56,810 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:17:56,823 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:56,823 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:17:56,823 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:17:56,838 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:56,838 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:17:56,838 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:17:56,858 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:17:56,858 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:17:56,858 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:17:56,910 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 406 states. [2024-05-03 05:17:56,910 INFO L212 cStratifiedReduction]: Copied states 30 times. [2024-05-03 05:17:56,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:56,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 05:17:56,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-03 05:17:56,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-03 05:17:56,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-03 05:17:56,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 05:17:56,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 05:17:56,911 INFO L78 Accepts]: Start accepts. Automaton has currently 460 states, but on-demand construction may add more states Word has length 86 [2024-05-03 05:17:56,912 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:17:56,928 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-03 05:17:57,112 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 [2024-05-03 05:17:57,113 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:17:57,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:17:57,113 INFO L85 PathProgramCache]: Analyzing trace with hash -480494194, now seen corresponding path program 4 times [2024-05-03 05:17:57,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:17:57,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135932893] [2024-05-03 05:17:57,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:17:57,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:17:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:17:57,992 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:17:57,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:17:57,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135932893] [2024-05-03 05:17:57,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135932893] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:17:57,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526973751] [2024-05-03 05:17:57,993 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-03 05:17:57,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:17:57,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:17:58,001 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:17:58,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-03 05:17:58,066 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-03 05:17:58,066 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:17:58,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 24 conjunts are in the unsatisfiable core [2024-05-03 05:17:58,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:17:58,916 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:17:58,916 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:17:59,526 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:17:59,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526973751] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:17:59,526 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:17:59,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 14, 14] total 36 [2024-05-03 05:17:59,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060162206] [2024-05-03 05:17:59,527 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:17:59,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-05-03 05:17:59,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:17:59,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-05-03 05:17:59,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=244, Invalid=1016, Unknown=0, NotChecked=0, Total=1260 [2024-05-03 05:17:59,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:59,528 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:17:59,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 4.25) internal successors, (153), 36 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 05:17:59,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:59,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 05:17:59,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-03 05:17:59,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-03 05:17:59,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-03 05:17:59,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 05:17:59,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 05:17:59,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:17:59,529 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:18:02,420 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:02,420 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:18:02,420 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,424 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:02,424 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,424 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,458 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:02,458 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,458 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,465 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:02,465 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:18:02,465 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:18:02,467 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:02,467 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:18:02,467 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:18:02,474 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:02,474 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:18:02,474 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:18:02,481 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:02,482 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:18:02,482 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:18:02,491 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:02,492 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,492 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,492 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:02,492 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:18:02,492 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,537 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:02,537 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,537 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,543 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:02,543 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,543 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,549 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:02,549 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,549 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,556 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:02,557 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,557 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,557 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:02,557 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,557 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,572 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:02,572 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,572 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,765 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:02,765 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,765 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,778 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:02,778 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,778 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,790 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:02,790 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,790 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,803 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:02,803 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,803 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,818 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:02,818 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,818 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,830 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:02,830 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,830 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,830 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:02,830 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,830 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,878 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:02,878 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,878 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,892 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:02,892 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,892 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,905 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:02,906 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,906 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,918 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:02,919 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,919 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,933 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:02,933 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,933 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,945 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:02,945 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:02,945 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:03,526 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 600 states. [2024-05-03 05:18:03,526 INFO L212 cStratifiedReduction]: Copied states 57 times. [2024-05-03 05:18:03,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:18:03,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 05:18:03,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-03 05:18:03,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-03 05:18:03,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-03 05:18:03,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 05:18:03,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 05:18:03,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:18:03,527 INFO L78 Accepts]: Start accepts. Automaton has currently 676 states, but on-demand construction may add more states Word has length 91 [2024-05-03 05:18:03,528 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:18:03,536 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-03 05:18:03,728 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 [2024-05-03 05:18:03,728 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:18:03,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:18:03,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1407489116, now seen corresponding path program 5 times [2024-05-03 05:18:03,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:18:03,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119317753] [2024-05-03 05:18:03,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:18:03,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:18:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:18:04,492 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:18:04,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:18:04,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119317753] [2024-05-03 05:18:04,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119317753] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:18:04,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1530777803] [2024-05-03 05:18:04,493 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-03 05:18:04,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:18:04,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:18:04,494 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:18:04,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-03 05:18:04,688 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-05-03 05:18:04,688 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:18:04,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 31 conjunts are in the unsatisfiable core [2024-05-03 05:18:04,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:18:06,142 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:18:06,143 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:18:07,036 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:18:07,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1530777803] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:18:07,037 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:18:07,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 22, 19] total 49 [2024-05-03 05:18:07,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736453729] [2024-05-03 05:18:07,038 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:18:07,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-05-03 05:18:07,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:18:07,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-05-03 05:18:07,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=485, Invalid=1867, Unknown=0, NotChecked=0, Total=2352 [2024-05-03 05:18:07,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:18:07,039 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:18:07,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 3.3469387755102042) internal successors, (164), 49 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) [2024-05-03 05:18:07,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:18:07,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 05:18:07,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-03 05:18:07,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-03 05:18:07,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-03 05:18:07,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 05:18:07,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 05:18:07,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:18:07,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:18:07,040 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:18:11,841 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:11,841 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:18:11,842 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:11,845 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:11,845 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:11,845 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:11,879 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:11,880 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:11,880 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:11,887 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:11,887 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:18:11,887 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:18:11,889 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:11,889 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:18:11,889 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:18:11,896 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:11,896 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:18:11,896 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:18:11,905 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:11,905 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:18:11,905 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:18:11,916 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:11,917 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:11,917 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:11,917 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:11,917 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:18:11,917 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:11,926 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:11,926 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:11,926 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:11,933 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:11,933 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:11,933 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:11,940 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:11,940 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:11,940 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:11,948 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:11,948 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:11,948 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:11,948 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:11,948 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:11,948 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:12,005 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:12,005 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:12,005 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:12,308 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:12,309 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:12,309 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:12,371 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:12,371 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:12,371 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:12,384 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:12,384 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:12,384 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:12,397 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:12,397 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:12,397 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:12,412 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:12,412 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:12,412 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:12,425 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:12,425 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:12,425 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:12,425 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:12,425 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:12,425 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:12,588 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:12,589 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:12,589 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:12,602 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:12,602 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:12,602 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:12,614 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:12,614 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:12,615 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:12,629 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:12,629 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:12,629 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:12,644 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:12,645 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:12,645 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:12,658 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:12,658 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:12,658 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:14,417 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 678 states. [2024-05-03 05:18:14,417 INFO L212 cStratifiedReduction]: Copied states 65 times. [2024-05-03 05:18:14,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:18:14,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 05:18:14,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-03 05:18:14,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-03 05:18:14,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-03 05:18:14,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 05:18:14,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 05:18:14,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:18:14,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-03 05:18:14,418 INFO L78 Accepts]: Start accepts. Automaton has currently 766 states, but on-demand construction may add more states Word has length 96 [2024-05-03 05:18:14,419 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:18:14,426 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-03 05:18:14,619 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 [2024-05-03 05:18:14,620 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:18:14,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:18:14,620 INFO L85 PathProgramCache]: Analyzing trace with hash -242919308, now seen corresponding path program 6 times [2024-05-03 05:18:14,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:18:14,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005623748] [2024-05-03 05:18:14,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:18:14,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:18:14,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:18:15,772 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:18:15,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:18:15,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005623748] [2024-05-03 05:18:15,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005623748] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:18:15,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [615983154] [2024-05-03 05:18:15,773 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-03 05:18:15,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:18:15,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:18:15,801 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:18:15,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-03 05:18:15,955 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-05-03 05:18:15,955 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:18:15,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 33 conjunts are in the unsatisfiable core [2024-05-03 05:18:15,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:18:20,447 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:18:20,447 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:18:23,484 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 40 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:18:23,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [615983154] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:18:23,484 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:18:23,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 20, 18] total 52 [2024-05-03 05:18:23,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559924174] [2024-05-03 05:18:23,485 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:18:23,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-05-03 05:18:23,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:18:23,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-05-03 05:18:23,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=373, Invalid=2279, Unknown=0, NotChecked=0, Total=2652 [2024-05-03 05:18:23,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:18:23,486 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:18:23,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 3.4423076923076925) internal successors, (179), 52 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 05:18:23,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:18:23,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 05:18:23,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-03 05:18:23,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-03 05:18:23,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-03 05:18:23,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 05:18:23,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 05:18:23,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:18:23,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-03 05:18:23,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:18:23,487 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:18:31,728 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:31,728 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:18:31,728 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:31,741 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:31,741 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:31,741 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:32,251 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:32,251 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:32,251 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:32,260 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:32,260 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:18:32,260 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:18:32,265 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:32,265 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:18:32,268 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:18:32,283 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:32,283 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:18:32,283 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:18:32,309 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:32,309 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:18:32,309 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:18:32,325 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:32,326 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:32,326 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:32,326 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:32,326 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:18:32,326 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:32,336 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:32,336 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:32,336 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:32,344 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:32,344 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:32,344 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:32,354 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:32,354 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:32,354 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:32,365 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:32,365 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:32,365 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:32,365 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:32,366 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:32,366 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:32,682 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:32,682 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:32,682 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:33,464 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:33,465 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:33,465 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:33,492 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:33,493 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:33,493 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:33,509 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:33,510 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:33,510 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:33,526 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:33,526 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:33,526 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:33,593 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:33,594 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:33,594 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:33,609 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:33,609 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:33,609 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:33,609 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:33,609 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:33,609 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:33,738 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:33,738 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:33,738 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:33,754 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:33,754 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:33,755 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:33,769 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:33,769 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:33,769 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:33,786 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:33,786 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:33,786 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:33,804 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:33,804 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:33,804 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:33,820 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:18:33,820 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:33,820 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:18:34,207 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 770 states. [2024-05-03 05:18:34,207 INFO L212 cStratifiedReduction]: Copied states 77 times. [2024-05-03 05:18:34,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:18:34,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 05:18:34,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-03 05:18:34,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-03 05:18:34,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-03 05:18:34,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 05:18:34,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 05:18:34,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:18:34,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-03 05:18:34,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:18:34,208 INFO L78 Accepts]: Start accepts. Automaton has currently 876 states, but on-demand construction may add more states Word has length 98 [2024-05-03 05:18:34,209 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:18:34,214 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-03 05:18:34,415 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 [2024-05-03 05:18:34,415 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:18:34,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:18:34,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1542284599, now seen corresponding path program 7 times [2024-05-03 05:18:34,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:18:34,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785490191] [2024-05-03 05:18:34,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:18:34,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:18:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:18:35,589 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:18:35,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:18:35,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785490191] [2024-05-03 05:18:35,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785490191] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:18:35,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443746209] [2024-05-03 05:18:35,589 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-03 05:18:35,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:18:35,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:18:35,590 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:18:35,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-03 05:18:35,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:18:35,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 45 conjunts are in the unsatisfiable core [2024-05-03 05:18:35,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:18:41,858 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:18:41,859 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:19:39,582 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:19:39,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1443746209] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:19:39,582 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:19:39,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 25, 24] total 69 [2024-05-03 05:19:39,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590114402] [2024-05-03 05:19:39,582 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:19:39,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2024-05-03 05:19:39,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:19:39,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2024-05-03 05:19:39,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=4415, Unknown=6, NotChecked=0, Total=4692 [2024-05-03 05:19:39,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:19:39,585 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:19:39,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 3.63768115942029) internal successors, (251), 69 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 05:19:39,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:19:39,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 05:19:39,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-03 05:19:39,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-03 05:19:39,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-03 05:19:39,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 05:19:39,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 05:19:39,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:19:39,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-03 05:19:39,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:19:39,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:19:39,586 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:19:49,298 WARN L293 SmtUtils]: Spent 9.57s on a formula simplification. DAG size of input: 241 DAG size of output: 134 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-03 05:20:02,984 WARN L293 SmtUtils]: Spent 10.06s on a formula simplification. DAG size of input: 237 DAG size of output: 135 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-03 05:20:06,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 05:20:22,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:20:51,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 05:20:54,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 05:20:56,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 05:21:08,499 WARN L293 SmtUtils]: Spent 5.47s on a formula simplification. DAG size of input: 142 DAG size of output: 30 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-03 05:21:10,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 05:21:12,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 05:21:14,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 05:21:16,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 05:21:18,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 05:21:21,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 05:21:23,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 05:21:26,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 05:21:33,387 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:33,387 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:21:33,387 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:21:33,395 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:33,396 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:21:33,396 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:21:33,416 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:33,416 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:21:33,416 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:21:33,421 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:33,421 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:21:33,421 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:21:33,440 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:33,440 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:21:33,440 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:21:33,460 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:33,460 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:21:33,460 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:21:33,482 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:33,483 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:21:33,483 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:21:33,894 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:33,894 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:21:33,894 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:21:33,894 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:33,894 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:21:33,894 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:21:33,957 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:33,957 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:21:33,957 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:21:33,976 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:33,976 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:21:33,976 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:21:33,993 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:33,993 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:21:33,993 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:21:34,014 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:34,015 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:21:34,015 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:21:34,015 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:34,015 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:21:34,015 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:21:34,042 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:34,042 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:21:34,042 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:21:34,062 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:34,062 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:21:34,062 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:21:34,066 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:34,066 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:21:34,066 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:21:34,084 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:34,084 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:21:34,085 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:21:34,104 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:34,104 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:21:34,104 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:21:34,128 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:34,128 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:21:34,128 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:21:34,234 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:21:34,234 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:21:34,234 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:22:06,063 WARN L293 SmtUtils]: Spent 31.02s on a formula simplification. DAG size of input: 243 DAG size of output: 151 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-03 05:22:06,073 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 622 states. [2024-05-03 05:22:06,074 INFO L212 cStratifiedReduction]: Copied states 81 times. [2024-05-03 05:22:06,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:22:06,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 05:22:06,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-03 05:22:06,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-03 05:22:06,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-03 05:22:06,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 05:22:06,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 05:22:06,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:22:06,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-03 05:22:06,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:22:06,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:22:06,075 INFO L78 Accepts]: Start accepts. Automaton has currently 688 states, but on-demand construction may add more states Word has length 101 [2024-05-03 05:22:06,075 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:22:06,081 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-05-03 05:22:06,276 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 [2024-05-03 05:22:06,276 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:22:06,276 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:22:06,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1026947402, now seen corresponding path program 8 times [2024-05-03 05:22:06,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:22:06,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898714592] [2024-05-03 05:22:06,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:22:06,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:22:06,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:22:07,451 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:22:07,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:22:07,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898714592] [2024-05-03 05:22:07,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898714592] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:22:07,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575596671] [2024-05-03 05:22:07,452 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 05:22:07,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:22:07,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:22:07,453 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:22:07,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-03 05:22:07,561 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 05:22:07,561 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:22:07,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 34 conjunts are in the unsatisfiable core [2024-05-03 05:22:07,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:22:12,899 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:22:12,899 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:22:14,353 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:22:14,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [575596671] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:22:14,353 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:22:14,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 20, 20] total 58 [2024-05-03 05:22:14,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608904348] [2024-05-03 05:22:14,353 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:22:14,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-05-03 05:22:14,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:22:14,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-05-03 05:22:14,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=505, Invalid=2801, Unknown=0, NotChecked=0, Total=3306 [2024-05-03 05:22:14,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:22:14,378 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:22:14,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 3.4310344827586206) internal successors, (199), 58 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 05:22:14,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:22:14,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 05:22:14,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-03 05:22:14,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-03 05:22:14,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-03 05:22:14,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 05:22:14,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 05:22:14,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:22:14,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-03 05:22:14,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:22:14,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:22:14,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:22:14,379 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:22:33,465 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:22:33,466 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:22:33,466 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:22:33,475 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:22:33,475 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:22:33,475 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:22:33,496 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:22:33,496 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:22:33,496 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:22:33,500 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:22:33,500 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:22:33,500 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:22:33,520 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:22:33,520 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:22:33,520 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:22:33,543 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:22:33,543 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:22:33,543 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:22:38,607 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:22:38,608 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:22:38,608 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:22:38,678 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:22:38,678 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:22:38,678 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:22:38,678 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:22:38,678 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:22:38,678 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:22:38,721 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:22:38,722 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:22:38,722 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:22:38,739 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:22:38,739 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:22:38,739 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:22:39,209 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:22:39,209 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:22:39,209 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:22:39,234 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:22:39,234 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:22:39,234 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:22:39,239 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:22:39,239 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:22:39,239 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:22:39,259 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:22:39,259 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:22:39,259 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:22:39,280 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:22:39,280 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:22:39,280 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:22:39,304 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:22:39,304 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:22:39,304 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:22:39,355 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:22:39,356 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:22:39,356 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:22:41,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:22:43,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:22:47,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:22:49,944 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 623 states. [2024-05-03 05:22:49,944 INFO L212 cStratifiedReduction]: Copied states 46 times. [2024-05-03 05:22:49,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:22:49,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 05:22:49,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-03 05:22:49,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-03 05:22:49,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-03 05:22:49,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 05:22:49,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 05:22:49,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:22:49,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-03 05:22:49,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:22:49,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:22:49,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-03 05:22:49,945 INFO L78 Accepts]: Start accepts. Automaton has currently 733 states, but on-demand construction may add more states Word has length 106 [2024-05-03 05:22:49,946 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:22:49,951 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-05-03 05:22:50,152 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 [2024-05-03 05:22:50,153 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:22:50,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:22:50,153 INFO L85 PathProgramCache]: Analyzing trace with hash -682022822, now seen corresponding path program 9 times [2024-05-03 05:22:50,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:22:50,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507344036] [2024-05-03 05:22:50,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:22:50,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:22:50,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:22:51,602 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:22:51,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:22:51,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507344036] [2024-05-03 05:22:51,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507344036] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:22:51,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113107202] [2024-05-03 05:22:51,602 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 05:22:51,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:22:51,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:22:51,604 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:22:51,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-05-03 05:22:51,959 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-05-03 05:22:51,959 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:22:51,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 42 conjunts are in the unsatisfiable core [2024-05-03 05:22:51,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:22:59,636 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:22:59,636 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:23:01,500 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:23:01,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113107202] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:23:01,501 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:23:01,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 28, 25] total 73 [2024-05-03 05:23:01,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512130258] [2024-05-03 05:23:01,501 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:23:01,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-05-03 05:23:01,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:23:01,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-05-03 05:23:01,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=932, Invalid=4324, Unknown=0, NotChecked=0, Total=5256 [2024-05-03 05:23:01,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:23:01,507 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:23:01,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 2.904109589041096) internal successors, (212), 73 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 05:23:01,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:23:01,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 05:23:01,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-03 05:23:01,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-03 05:23:01,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-03 05:23:01,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 05:23:01,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 05:23:01,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:23:01,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-03 05:23:01,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:23:01,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:23:01,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-03 05:23:01,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:23:01,510 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:23:24,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:23:27,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:23:31,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:23:41,051 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:41,051 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:41,051 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:23:41,059 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:41,059 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:23:41,059 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:23:41,082 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:41,082 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:41,082 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:23:41,087 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:41,087 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:23:41,087 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:23:41,109 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:41,109 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:23:41,109 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:23:41,133 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:41,133 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:23:41,133 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:23:48,782 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:48,782 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:23:48,782 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:23:48,886 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:48,886 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:23:48,886 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:23:48,886 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:48,886 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:48,886 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:23:48,923 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:48,923 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:23:48,923 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:23:48,941 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:48,941 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:23:48,941 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:23:49,402 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:49,403 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:23:49,403 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:23:49,426 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:49,426 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:23:49,426 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:23:49,431 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:49,431 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:23:49,431 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:23:49,453 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:49,453 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:23:49,453 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:23:49,476 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:49,477 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:23:49,477 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:23:49,502 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:49,502 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:23:49,502 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:23:49,590 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:23:49,590 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:23:49,590 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:23:52,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:23:54,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:24:00,211 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 676 states. [2024-05-03 05:24:00,211 INFO L212 cStratifiedReduction]: Copied states 50 times. [2024-05-03 05:24:00,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:00,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 05:24:00,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-03 05:24:00,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-03 05:24:00,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-03 05:24:00,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 05:24:00,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 05:24:00,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:24:00,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-03 05:24:00,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:24:00,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:24:00,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-03 05:24:00,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-03 05:24:00,212 INFO L78 Accepts]: Start accepts. Automaton has currently 800 states, but on-demand construction may add more states Word has length 111 [2024-05-03 05:24:00,213 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:24:00,219 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-05-03 05:24:00,413 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 [2024-05-03 05:24:00,413 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:24:00,414 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:24:00,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1202039792, now seen corresponding path program 10 times [2024-05-03 05:24:00,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:24:00,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626397443] [2024-05-03 05:24:00,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:24:00,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:24:00,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:24:02,111 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 181 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:24:02,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:24:02,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626397443] [2024-05-03 05:24:02,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626397443] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:24:02,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543898732] [2024-05-03 05:24:02,112 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-03 05:24:02,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:24:02,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:24:02,114 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:24:02,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-05-03 05:24:02,209 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-03 05:24:02,209 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:24:02,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 44 conjunts are in the unsatisfiable core [2024-05-03 05:24:02,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:24:14,825 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 181 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:24:14,826 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:24:16,846 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 0 proven. 181 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:24:16,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543898732] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:24:16,847 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:24:16,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 24, 24] total 72 [2024-05-03 05:24:16,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467206952] [2024-05-03 05:24:16,847 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:24:16,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2024-05-03 05:24:16,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:24:16,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2024-05-03 05:24:16,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=819, Invalid=4293, Unknown=0, NotChecked=0, Total=5112 [2024-05-03 05:24:16,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:16,850 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:24:16,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 3.0277777777777777) internal successors, (218), 72 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 05:24:16,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:16,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 05:24:16,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-03 05:24:16,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-03 05:24:16,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-03 05:24:16,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 05:24:16,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 05:24:16,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:24:16,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-03 05:24:16,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:24:16,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:24:16,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-03 05:24:16,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-03 05:24:16,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:24:16,851 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:25:11,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:25:13,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:25:30,344 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:30,345 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:25:30,345 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:30,348 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:30,348 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:30,348 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:30,545 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:30,546 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:30,546 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:31,320 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:31,321 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:25:31,321 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:25:31,322 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:31,322 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:25:31,322 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:25:31,334 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:31,335 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:25:31,335 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:25:31,348 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:31,348 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:25:31,348 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:25:31,365 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:31,365 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:31,365 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:31,365 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:31,366 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:25:31,366 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:31,379 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:31,379 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:31,379 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:31,389 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:31,389 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:31,389 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:31,400 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:31,400 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:31,400 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:31,413 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:31,413 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:31,413 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:31,413 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:31,413 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:31,413 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:31,502 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:31,502 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:31,502 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:34,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:25:35,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:25:37,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:25:38,105 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:38,105 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:38,105 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:38,125 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:38,125 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:38,125 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:38,145 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:38,145 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:38,145 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:38,166 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:38,167 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:38,167 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:38,190 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:38,191 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:38,191 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:38,211 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:38,211 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:38,211 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:38,211 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:38,211 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:38,211 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:38,707 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:38,707 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:38,707 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:38,728 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:38,729 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:38,729 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:38,748 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:38,749 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:38,749 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:38,770 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:38,770 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:38,770 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:38,794 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:38,794 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:38,794 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:38,815 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:25:38,815 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:38,815 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:25:40,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:25:42,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:25:46,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:25:48,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:25:54,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:26:05,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:26:07,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:26:07,376 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 995 states. [2024-05-03 05:26:07,377 INFO L212 cStratifiedReduction]: Copied states 97 times. [2024-05-03 05:26:07,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:26:07,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 05:26:07,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-03 05:26:07,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-03 05:26:07,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-03 05:26:07,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 05:26:07,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 05:26:07,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:26:07,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-03 05:26:07,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:26:07,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:26:07,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-03 05:26:07,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-03 05:26:07,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-03 05:26:07,378 INFO L78 Accepts]: Start accepts. Automaton has currently 1134 states, but on-demand construction may add more states Word has length 116 [2024-05-03 05:26:07,379 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:26:07,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-05-03 05:26:07,579 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 [2024-05-03 05:26:07,579 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:26:07,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:26:07,580 INFO L85 PathProgramCache]: Analyzing trace with hash 588721472, now seen corresponding path program 11 times [2024-05-03 05:26:07,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:26:07,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062049126] [2024-05-03 05:26:07,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:26:07,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:26:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:26:09,497 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 226 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:26:09,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:26:09,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062049126] [2024-05-03 05:26:09,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062049126] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:26:09,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1832163347] [2024-05-03 05:26:09,498 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-03 05:26:09,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:26:09,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:26:09,499 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:26:09,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-05-03 05:26:10,722 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2024-05-03 05:26:10,722 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:26:10,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 43 conjunts are in the unsatisfiable core [2024-05-03 05:26:10,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:26:34,139 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 226 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:26:34,139 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:26:36,254 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 226 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:26:36,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1832163347] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:26:36,254 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:26:36,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 30, 28] total 83 [2024-05-03 05:26:36,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96665480] [2024-05-03 05:26:36,255 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:26:36,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 83 states [2024-05-03 05:26:36,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:26:36,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2024-05-03 05:26:36,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1158, Invalid=5648, Unknown=0, NotChecked=0, Total=6806 [2024-05-03 05:26:36,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:26:36,258 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:26:36,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 83 states have (on average 2.783132530120482) internal successors, (231), 83 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 05:26:36,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:26:36,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 05:26:36,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-03 05:26:36,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-03 05:26:36,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-03 05:26:36,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 05:26:36,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 05:26:36,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:26:36,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-03 05:26:36,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:26:36,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:26:36,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-03 05:26:36,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-03 05:26:36,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-05-03 05:26:36,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:26:36,259 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:26:59,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:27:33,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:27:35,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:27:46,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:27:48,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:27:51,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:27:53,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:27:55,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:27:57,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:28:08,836 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:08,837 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:28:08,837 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:08,840 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:08,840 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:08,840 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:09,218 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:09,219 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:09,219 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:09,230 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:09,230 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:28:09,230 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:28:09,232 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:09,232 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:28:09,232 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:28:09,245 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:09,245 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:28:09,245 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:28:09,260 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:09,261 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:28:09,261 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0] [2024-05-03 05:28:09,280 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:09,280 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:09,280 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:09,280 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:09,280 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-03 05:28:09,280 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:09,294 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:09,294 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:09,294 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:09,313 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:09,313 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:09,313 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:09,325 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:09,325 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:09,325 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:09,341 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:09,341 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:09,341 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:09,342 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:09,342 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:09,342 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:09,502 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:09,502 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:09,502 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:11,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:28:12,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:28:16,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:28:17,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:28:19,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:28:20,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:28:21,619 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:21,619 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:21,619 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:21,642 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:21,642 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:21,642 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:21,676 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:21,676 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:21,676 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:21,699 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:21,699 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:21,700 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:21,727 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:21,727 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:21,727 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:21,749 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:21,749 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:21,749 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:21,750 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:21,750 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:21,750 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:23,244 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:23,244 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:23,244 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:25,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:28:27,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:28:27,283 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:27,283 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:27,283 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:27,304 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:27,304 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:27,304 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:27,327 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:27,328 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:27,328 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:27,357 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:27,357 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:27,357 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:27,379 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-03 05:28:27,379 INFO L369 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:27,379 INFO L370 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~cond~0, ~L~0, ~N~0, thread2Thread1of1ForFork1_~cond~1] [2024-05-03 05:28:29,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:28:31,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:28:32,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:28:35,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:28:37,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:28:42,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:28:46,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:28:48,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:29:02,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:29:02,922 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1073 states. [2024-05-03 05:29:02,923 INFO L212 cStratifiedReduction]: Copied states 105 times. [2024-05-03 05:29:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:29:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 05:29:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-03 05:29:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-03 05:29:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-03 05:29:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 05:29:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-03 05:29:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:29:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-03 05:29:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:29:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:29:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-03 05:29:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-03 05:29:02,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-03 05:29:02,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-05-03 05:29:02,924 INFO L78 Accepts]: Start accepts. Automaton has currently 1224 states, but on-demand construction may add more states Word has length 121 [2024-05-03 05:29:02,925 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 05:29:02,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-05-03 05:29:03,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-05-03 05:29:03,126 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 05:29:03,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 05:29:03,126 INFO L85 PathProgramCache]: Analyzing trace with hash 988677014, now seen corresponding path program 12 times [2024-05-03 05:29:03,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 05:29:03,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415698333] [2024-05-03 05:29:03,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 05:29:03,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 05:29:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 05:29:05,283 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:29:05,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 05:29:05,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415698333] [2024-05-03 05:29:05,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415698333] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 05:29:05,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1516468516] [2024-05-03 05:29:05,283 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-03 05:29:05,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 05:29:05,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 05:29:05,284 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 05:29:05,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-05-03 05:29:05,727 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2024-05-03 05:29:05,728 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 05:29:05,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 52 conjunts are in the unsatisfiable core [2024-05-03 05:29:05,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 05:29:43,813 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:29:43,813 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 05:29:46,723 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 05:29:46,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1516468516] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 05:29:46,723 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 05:29:46,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 36, 32] total 96 [2024-05-03 05:29:46,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055928218] [2024-05-03 05:29:46,725 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 05:29:46,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-05-03 05:29:46,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 05:29:46,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-05-03 05:29:46,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1563, Invalid=7557, Unknown=0, NotChecked=0, Total=9120 [2024-05-03 05:29:46,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:29:46,735 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 05:29:46,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 2.6145833333333335) internal successors, (251), 96 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 05:29:46,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:29:46,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 05:29:46,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-03 05:29:46,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-03 05:29:46,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-03 05:29:46,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 05:29:46,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-03 05:29:46,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:29:46,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-03 05:29:46,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-05-03 05:29:46,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-03 05:29:46,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-03 05:29:46,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-03 05:29:46,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-05-03 05:29:46,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-05-03 05:29:46,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 05:29:46,742 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-03 05:29:53,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:29:55,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:29:58,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:29:59,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:30:01,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:30:03,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:30:07,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:30:09,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:30:44,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:30:52,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:31:22,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:31:25,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:31:27,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:31:31,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 05:31:33,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] Received shutdown request... [2024-05-03 05:31:58,393 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 255 states. [2024-05-03 05:31:58,393 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-03 05:31:58,400 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-03 05:31:58,401 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-03 05:31:58,401 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-03 05:31:58,401 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-05-03 05:31:58,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-05-03 05:31:58,594 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 173 known predicates. [2024-05-03 05:31:58,596 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-03 05:31:58,610 INFO L445 BasicCegarLoop]: Path program histogram: [12, 1, 1, 1, 1] [2024-05-03 05:31:58,612 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/4) [2024-05-03 05:31:58,615 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-03 05:31:58,615 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-03 05:31:58,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 05:31:58 BasicIcfg [2024-05-03 05:31:58,617 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-03 05:31:58,617 INFO L158 Benchmark]: Toolchain (without parser) took 858441.82ms. Allocated memory was 158.3MB in the beginning and 845.2MB in the end (delta: 686.8MB). Free memory was 87.0MB in the beginning and 440.7MB in the end (delta: -353.7MB). Peak memory consumption was 332.5MB. Max. memory is 8.0GB. [2024-05-03 05:31:58,618 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 158.3MB. Free memory is still 93.8MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-03 05:31:58,618 INFO L158 Benchmark]: CACSL2BoogieTranslator took 190.99ms. Allocated memory is still 158.3MB. Free memory was 86.8MB in the beginning and 75.0MB in the end (delta: 11.8MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-05-03 05:31:58,618 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.11ms. Allocated memory is still 158.3MB. Free memory was 75.0MB in the beginning and 73.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-03 05:31:58,618 INFO L158 Benchmark]: Boogie Preprocessor took 17.86ms. Allocated memory is still 158.3MB. Free memory was 73.3MB in the beginning and 72.0MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-03 05:31:58,618 INFO L158 Benchmark]: RCFGBuilder took 450.06ms. Allocated memory was 158.3MB in the beginning and 271.6MB in the end (delta: 113.2MB). Free memory was 71.9MB in the beginning and 228.1MB in the end (delta: -156.2MB). Peak memory consumption was 11.9MB. Max. memory is 8.0GB. [2024-05-03 05:31:58,618 INFO L158 Benchmark]: TraceAbstraction took 857744.67ms. Allocated memory was 271.6MB in the beginning and 845.2MB in the end (delta: 573.6MB). Free memory was 226.5MB in the beginning and 440.7MB in the end (delta: -214.2MB). Peak memory consumption was 359.4MB. Max. memory is 8.0GB. [2024-05-03 05:31:58,628 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 158.3MB. Free memory is still 93.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 190.99ms. Allocated memory is still 158.3MB. Free memory was 86.8MB in the beginning and 75.0MB in the end (delta: 11.8MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.11ms. Allocated memory is still 158.3MB. Free memory was 75.0MB in the beginning and 73.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.86ms. Allocated memory is still 158.3MB. Free memory was 73.3MB in the beginning and 72.0MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 450.06ms. Allocated memory was 158.3MB in the beginning and 271.6MB in the end (delta: 113.2MB). Free memory was 71.9MB in the beginning and 228.1MB in the end (delta: -156.2MB). Peak memory consumption was 11.9MB. Max. memory is 8.0GB. * TraceAbstraction took 857744.67ms. Allocated memory was 271.6MB in the beginning and 845.2MB in the end (delta: 573.6MB). Free memory was 226.5MB in the beginning and 440.7MB in the end (delta: -214.2MB). Peak memory consumption was 359.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7576, independent: 7167, independent conditional: 7167, independent unconditional: 0, dependent: 409, dependent conditional: 409, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7182, independent: 7167, independent conditional: 7167, independent unconditional: 0, dependent: 15, dependent conditional: 15, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7182, independent: 7167, independent conditional: 7167, independent unconditional: 0, dependent: 15, dependent conditional: 15, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7350, independent: 7167, independent conditional: 0, independent unconditional: 7167, dependent: 183, dependent conditional: 168, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7350, independent: 7167, independent conditional: 0, independent unconditional: 7167, dependent: 183, dependent conditional: 0, dependent unconditional: 183, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7350, independent: 7167, independent conditional: 0, independent unconditional: 7167, dependent: 183, dependent conditional: 0, dependent unconditional: 183, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7182, independent: 7167, independent conditional: 0, independent unconditional: 7167, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7182, independent: 7167, independent conditional: 0, independent unconditional: 7167, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 15, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 55, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7350, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 168, dependent conditional: 0, dependent unconditional: 168, unknown: 7182, unknown conditional: 0, unknown unconditional: 7182] , Statistics on independence cache: Total cache size (in pairs): 7182, Positive cache size: 7167, Positive conditional cache size: 0, Positive unconditional cache size: 7167, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 168, Maximal queried relation: 15, Independence queries for same thread: 394 - StatisticsResult: Reduction benchmarks 22.8ms Time before loop, 604.1ms Time in loop, 0.6s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 19, Reduction States: 215, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 22.9ms Time before loop, 267.8ms Time in loop, 0.3s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 19, Reduction States: 254, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 30.4ms Time before loop, 168.8ms Time in loop, 0.2s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 12, Reduction States: 225, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 122.9ms Time before loop, 262.9ms Time in loop, 0.4s Time in total, Has Loop: 1, wrong guesses: 3, overall guesses: 17, Reduction States: 275, Duplicate States: 20, Protected Variables: 7 - StatisticsResult: Reduction benchmarks 227.0ms Time before loop, 343.4ms Time in loop, 0.6s Time in total, Has Loop: 1, wrong guesses: 4, overall guesses: 17, Reduction States: 287, Duplicate States: 19, Protected Variables: 7 - StatisticsResult: Reduction benchmarks 912.7ms Time before loop, 377.4ms Time in loop, 1.3s Time in total, Has Loop: 1, wrong guesses: 4, overall guesses: 17, Reduction States: 332, Duplicate States: 26, Protected Variables: 8 - StatisticsResult: Reduction benchmarks 27.0ms Time before loop, 310.0ms Time in loop, 0.3s Time in total, Has Loop: 1, wrong guesses: 4, overall guesses: 19, Reduction States: 348, Duplicate States: 21, Protected Variables: 3 - StatisticsResult: Reduction benchmarks 1177.7ms Time before loop, 548.2ms Time in loop, 1.7s Time in total, Has Loop: 1, wrong guesses: 4, overall guesses: 20, Reduction States: 406, Duplicate States: 30, Protected Variables: 3 - StatisticsResult: Reduction benchmarks 2464.8ms Time before loop, 1531.8ms Time in loop, 4.0s Time in total, Has Loop: 1, wrong guesses: 3, overall guesses: 30, Reduction States: 600, Duplicate States: 57, Protected Variables: 3 - StatisticsResult: Reduction benchmarks 4028.7ms Time before loop, 3348.4ms Time in loop, 7.4s Time in total, Has Loop: 1, wrong guesses: 3, overall guesses: 30, Reduction States: 678, Duplicate States: 65, Protected Variables: 3 - StatisticsResult: Reduction benchmarks 6347.9ms Time before loop, 4371.4ms Time in loop, 10.7s Time in total, Has Loop: 1, wrong guesses: 3, overall guesses: 30, Reduction States: 770, Duplicate States: 77, Protected Variables: 3 - StatisticsResult: Reduction benchmarks 69609.8ms Time before loop, 76877.4ms Time in loop, 146.5s Time in total, Has Loop: 1, wrong guesses: 4, overall guesses: 23, Reduction States: 622, Duplicate States: 81, Protected Variables: 3 - StatisticsResult: Reduction benchmarks 16350.4ms Time before loop, 19215.0ms Time in loop, 35.6s Time in total, Has Loop: 1, wrong guesses: 4, overall guesses: 20, Reduction States: 623, Duplicate States: 46, Protected Variables: 3 - StatisticsResult: Reduction benchmarks 23710.3ms Time before loop, 34990.5ms Time in loop, 58.7s Time in total, Has Loop: 1, wrong guesses: 4, overall guesses: 20, Reduction States: 676, Duplicate States: 50, Protected Variables: 3 - StatisticsResult: Reduction benchmarks 52769.8ms Time before loop, 57755.5ms Time in loop, 110.5s Time in total, Has Loop: 1, wrong guesses: 3, overall guesses: 30, Reduction States: 995, Duplicate States: 97, Protected Variables: 3 - StatisticsResult: Reduction benchmarks 67047.9ms Time before loop, 79615.4ms Time in loop, 146.7s Time in total, Has Loop: 1, wrong guesses: 3, overall guesses: 30, Reduction States: 1073, Duplicate States: 105, Protected Variables: 3 - StatisticsResult: Reduction benchmarks 92450.2ms Time before loop, 39201.1ms Time in loop, 131.7s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 2, Reduction States: 255, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Visitor Statistics States: 151, Transitions: 189, Traversal time: 0.6s - StatisticsResult: Visitor Statistics States: 151, Transitions: 190, Traversal time: 0.3s - StatisticsResult: Visitor Statistics States: 119, Transitions: 142, Traversal time: 0.2s - StatisticsResult: Visitor Statistics States: 159, Transitions: 225, Traversal time: 0.4s - StatisticsResult: Visitor Statistics States: 161, Transitions: 228, Traversal time: 0.6s - StatisticsResult: Visitor Statistics States: 186, Transitions: 286, Traversal time: 1.3s - StatisticsResult: Visitor Statistics States: 200, Transitions: 308, Traversal time: 0.3s - StatisticsResult: Visitor Statistics States: 238, Transitions: 375, Traversal time: 1.7s - StatisticsResult: Visitor Statistics States: 378, Transitions: 631, Traversal time: 4.0s - StatisticsResult: Visitor Statistics States: 429, Transitions: 728, Traversal time: 7.4s - StatisticsResult: Visitor Statistics States: 501, Transitions: 846, Traversal time: 10.7s - StatisticsResult: Visitor Statistics States: 389, Transitions: 633, Traversal time: 146.5s - StatisticsResult: Visitor Statistics States: 370, Transitions: 619, Traversal time: 35.6s - StatisticsResult: Visitor Statistics States: 403, Transitions: 680, Traversal time: 58.7s - StatisticsResult: Visitor Statistics States: 633, Transitions: 1116, Traversal time: 110.5s - StatisticsResult: Visitor Statistics States: 684, Transitions: 1213, Traversal time: 146.7s - StatisticsResult: Visitor Statistics States: 94, Transitions: 96, Traversal time: 131.7s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 109, RedundantProofs: 16, ProvenStates: 2828, Times there's more than one choice: 2572, Avg number of choices: 7.801272984441301 - TimeoutResultAtElement [Line: 105]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 173 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 7 procedures, 111 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 857.6s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 12, EmptinessCheckTime: 657.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 612, 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, 3.2s SatisfiabilityAnalysisTime, 193.2s InterpolantComputationTime, 2675 NumberOfCodeBlocks, 2675 NumberOfCodeBlocksAsserted, 76 NumberOfCheckSat, 3860 ConstructedInterpolants, 44 QuantifiedInterpolants, 59285 SizeOfPredicates, 126 NumberOfNonLiveVariables, 2981 ConjunctsInSsa, 417 ConjunctsInUnsatCore, 42 InterpolantComputations, 3 PerfectInterpolantSequences, 57/3617 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