/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/unroll-cond-4.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-a4a1cd3-m [2024-05-30 17:08:26,748 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-30 17:08:26,815 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-05-30 17:08:26,820 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-30 17:08:26,820 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-30 17:08:26,821 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-05-30 17:08:26,846 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-30 17:08:26,846 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-30 17:08:26,846 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-30 17:08:26,850 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-30 17:08:26,850 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-30 17:08:26,850 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-30 17:08:26,850 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-30 17:08:26,852 INFO L153 SettingsManager]: * Use SBE=true [2024-05-30 17:08:26,852 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-30 17:08:26,852 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-30 17:08:26,852 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-30 17:08:26,853 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-30 17:08:26,853 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-30 17:08:26,853 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-30 17:08:26,853 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-30 17:08:26,853 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-30 17:08:26,853 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-30 17:08:26,854 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-30 17:08:26,854 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-30 17:08:26,854 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-30 17:08:26,854 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-30 17:08:26,854 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-30 17:08:26,854 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-30 17:08:26,855 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-30 17:08:26,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 17:08:26,856 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-30 17:08:26,856 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-30 17:08:26,856 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-05-30 17:08:26,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-30 17:08:26,856 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-30 17:08:26,856 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-05-30 17:08:26,857 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-05-30 17:08:26,857 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-30 17:08:26,857 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-30 17:08:26,857 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-30 17:08:26,857 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-30 17:08:27,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-30 17:08:27,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-30 17:08:27,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-30 17:08:27,092 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-30 17:08:27,094 INFO L274 PluginConnector]: CDTParser initialized [2024-05-30 17:08:27,095 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/unroll-cond-4.wvr.c [2024-05-30 17:08:28,086 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-30 17:08:28,260 INFO L384 CDTParser]: Found 1 translation units. [2024-05-30 17:08:28,261 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-4.wvr.c [2024-05-30 17:08:28,278 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2bd706a70/a0db8c4844d54f8eb3dc29c32c1b27ea/FLAG76b3587c5 [2024-05-30 17:08:28,299 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2bd706a70/a0db8c4844d54f8eb3dc29c32c1b27ea [2024-05-30 17:08:28,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-30 17:08:28,302 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-30 17:08:28,305 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-30 17:08:28,305 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-30 17:08:28,308 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-30 17:08:28,309 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 05:08:28" (1/1) ... [2024-05-30 17:08:28,310 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bc2fd73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:08:28, skipping insertion in model container [2024-05-30 17:08:28,310 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 05:08:28" (1/1) ... [2024-05-30 17:08:28,335 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-30 17:08:28,491 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/unroll-cond-4.wvr.c[2808,2821] [2024-05-30 17:08:28,498 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 17:08:28,508 INFO L202 MainTranslator]: Completed pre-run [2024-05-30 17:08:28,525 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/unroll-cond-4.wvr.c[2808,2821] [2024-05-30 17:08:28,527 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 17:08:28,538 INFO L206 MainTranslator]: Completed translation [2024-05-30 17:08:28,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:08:28 WrapperNode [2024-05-30 17:08:28,539 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-30 17:08:28,539 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-30 17:08:28,539 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-30 17:08:28,540 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-30 17:08:28,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:08:28" (1/1) ... [2024-05-30 17:08:28,555 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:08:28" (1/1) ... [2024-05-30 17:08:28,574 INFO L138 Inliner]: procedures = 24, calls = 41, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 186 [2024-05-30 17:08:28,574 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-30 17:08:28,575 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-30 17:08:28,575 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-30 17:08:28,575 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-30 17:08:28,582 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:08:28" (1/1) ... [2024-05-30 17:08:28,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:08:28" (1/1) ... [2024-05-30 17:08:28,588 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:08:28" (1/1) ... [2024-05-30 17:08:28,588 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:08:28" (1/1) ... [2024-05-30 17:08:28,597 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:08:28" (1/1) ... [2024-05-30 17:08:28,600 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:08:28" (1/1) ... [2024-05-30 17:08:28,602 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:08:28" (1/1) ... [2024-05-30 17:08:28,603 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:08:28" (1/1) ... [2024-05-30 17:08:28,605 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-30 17:08:28,605 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-30 17:08:28,606 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-30 17:08:28,606 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-30 17:08:28,606 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:08:28" (1/1) ... [2024-05-30 17:08:28,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 17:08:28,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:08:28,633 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-30 17:08:28,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-30 17:08:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-30 17:08:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-30 17:08:28,674 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-30 17:08:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-30 17:08:28,674 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-30 17:08:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-30 17:08:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-30 17:08:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-30 17:08:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-30 17:08:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-30 17:08:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-30 17:08:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-30 17:08:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-30 17:08:28,678 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-30 17:08:28,779 INFO L241 CfgBuilder]: Building ICFG [2024-05-30 17:08:28,780 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-30 17:08:29,108 INFO L282 CfgBuilder]: Performing block encoding [2024-05-30 17:08:29,118 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-30 17:08:29,118 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-05-30 17:08:29,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 05:08:29 BoogieIcfgContainer [2024-05-30 17:08:29,119 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-30 17:08:29,121 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-30 17:08:29,121 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-30 17:08:29,123 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-30 17:08:29,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.05 05:08:28" (1/3) ... [2024-05-30 17:08:29,124 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8f2be24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 05:08:29, skipping insertion in model container [2024-05-30 17:08:29,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 05:08:28" (2/3) ... [2024-05-30 17:08:29,124 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8f2be24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 05:08:29, skipping insertion in model container [2024-05-30 17:08:29,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 05:08:29" (3/3) ... [2024-05-30 17:08:29,125 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-4.wvr.c [2024-05-30 17:08:29,132 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-30 17:08:29,140 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-30 17:08:29,140 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-30 17:08:29,140 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-30 17:08:29,193 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-30 17:08:29,228 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 17:08:29,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 17:08:29,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:08:29,230 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-30 17:08:29,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-30 17:08:29,265 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 17:08:29,273 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 17:08:29,278 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;@4a16dbe1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 17:08:29,278 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 17:08:29,284 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 17:08:29,425 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:29,425 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:29,425 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:29,511 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:29,511 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:29,511 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:29,572 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:29,573 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:29,573 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:29,639 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:29,639 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:29,639 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:29,684 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:29,684 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:29,685 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:29,732 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:29,733 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:29,733 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:29,761 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:29,762 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:29,762 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:29,790 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:29,790 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:29,790 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:29,815 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:29,815 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:29,815 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:29,859 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:29,859 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:29,859 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:29,935 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:29,935 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:29,935 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:29,970 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:29,971 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:29,971 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:30,104 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:30,104 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:30,104 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:30,108 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1500 states. [2024-05-30 17:08:30,108 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 17:08:30,111 INFO L78 Accepts]: Start accepts. Automaton has currently 1598 states, but on-demand construction may add more states Word has length 135 [2024-05-30 17:08:30,113 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:08:30,114 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:08:30,117 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:08:30,118 INFO L85 PathProgramCache]: Analyzing trace with hash 208418314, now seen corresponding path program 1 times [2024-05-30 17:08:30,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:08:30,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365104894] [2024-05-30 17:08:30,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:08:30,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:08:30,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:08:30,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:08:30,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:08:30,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365104894] [2024-05-30 17:08:30,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365104894] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 17:08:30,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 17:08:30,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-30 17:08:30,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42907463] [2024-05-30 17:08:30,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 17:08:30,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-30 17:08:30,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:08:30,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-30 17:08:30,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-30 17:08:30,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:08:30,446 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:08:30,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 67.5) internal successors, (135), 2 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 17:08:30,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:08:30,447 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 17:08:30,513 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:30,513 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:30,513 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:30,539 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:30,539 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:30,539 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:30,573 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:30,574 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:30,574 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:30,600 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:30,600 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:30,600 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:30,623 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:30,624 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:30,624 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:30,650 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:30,650 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:30,650 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:30,681 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:30,682 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:30,682 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:30,750 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:30,750 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:30,750 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:30,802 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:30,837 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:30,838 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:30,910 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:30,919 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:30,919 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:30,964 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:30,965 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:30,965 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:31,006 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:31,007 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:31,007 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:31,149 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:31,149 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:31,150 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:31,158 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1619 states. [2024-05-30 17:08:31,159 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 17:08:31,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:08:31,159 INFO L78 Accepts]: Start accepts. Automaton has currently 1807 states, but on-demand construction may add more states Word has length 128 [2024-05-30 17:08:31,162 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:08:31,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-30 17:08:31,164 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:08:31,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:08:31,169 INFO L85 PathProgramCache]: Analyzing trace with hash 663841822, now seen corresponding path program 1 times [2024-05-30 17:08:31,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:08:31,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235587879] [2024-05-30 17:08:31,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:08:31,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:08:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:08:31,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:08:31,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:08:31,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235587879] [2024-05-30 17:08:31,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235587879] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 17:08:31,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 17:08:31,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-05-30 17:08:31,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873464673] [2024-05-30 17:08:31,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 17:08:31,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-05-30 17:08:31,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:08:31,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-05-30 17:08:31,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-05-30 17:08:31,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:08:31,692 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:08:31,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 9 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 17:08:31,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:08:31,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:08:31,693 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 17:08:31,845 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:31,846 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:31,846 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:31,876 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:31,877 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:31,877 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:31,907 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:31,907 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:31,908 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:31,935 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:31,935 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:31,936 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:31,955 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:31,958 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:31,958 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:31,985 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:31,986 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:31,986 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:32,017 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:32,018 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:32,018 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:32,037 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:32,037 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:32,038 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:32,058 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:32,058 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:32,058 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:32,124 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:32,124 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:32,124 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:32,147 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:32,148 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:32,148 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:32,166 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:32,167 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:32,167 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:32,258 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:32,258 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:32,258 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:32,272 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1638 states. [2024-05-30 17:08:32,273 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 17:08:32,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:08:32,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 17:08:32,274 INFO L78 Accepts]: Start accepts. Automaton has currently 1826 states, but on-demand construction may add more states Word has length 141 [2024-05-30 17:08:32,276 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:08:32,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-30 17:08:32,276 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:08:32,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:08:32,277 INFO L85 PathProgramCache]: Analyzing trace with hash 545976549, now seen corresponding path program 1 times [2024-05-30 17:08:32,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:08:32,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617452159] [2024-05-30 17:08:32,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:08:32,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:08:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:08:32,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:08:32,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:08:32,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617452159] [2024-05-30 17:08:32,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617452159] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:08:32,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778842601] [2024-05-30 17:08:32,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:08:32,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:08:32,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:08:32,634 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 17:08:32,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-30 17:08:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:08:32,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 9 conjunts are in the unsatisfiable core [2024-05-30 17:08:32,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:08:32,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-30 17:08:32,894 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-30 17:08:32,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778842601] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 17:08:32,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-30 17:08:32,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2024-05-30 17:08:32,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921404643] [2024-05-30 17:08:32,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 17:08:32,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-30 17:08:32,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:08:32,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-30 17:08:32,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2024-05-30 17:08:32,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:08:32,896 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:08:32,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.625) internal successors, (141), 8 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 17:08:32,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:08:32,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 17:08:32,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:08:32,897 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 17:08:33,021 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:33,021 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:33,021 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:33,037 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:33,038 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:33,038 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:33,064 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:33,064 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:33,064 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:33,088 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:33,088 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:33,088 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:33,107 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:33,108 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:33,108 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:33,132 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:33,132 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:33,132 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:33,160 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:33,160 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:33,160 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:33,178 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:33,179 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:33,179 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:33,196 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:33,197 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:33,197 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:33,277 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:33,277 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:33,278 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:33,306 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:33,306 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:33,306 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:33,327 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:33,327 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:33,327 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:33,434 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:33,434 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:33,434 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:33,444 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1646 states. [2024-05-30 17:08:33,444 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 17:08:33,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:08:33,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 17:08:33,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-30 17:08:33,444 INFO L78 Accepts]: Start accepts. Automaton has currently 1834 states, but on-demand construction may add more states Word has length 149 [2024-05-30 17:08:33,445 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:08:33,463 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-30 17:08:33,652 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 [2024-05-30 17:08:33,652 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:08:33,652 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:08:33,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1130861759, now seen corresponding path program 1 times [2024-05-30 17:08:33,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:08:33,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966744986] [2024-05-30 17:08:33,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:08:33,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:08:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:08:33,956 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-30 17:08:33,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:08:33,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966744986] [2024-05-30 17:08:33,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966744986] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:08:33,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875255497] [2024-05-30 17:08:33,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:08:33,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:08:33,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:08:33,958 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 17:08:33,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-30 17:08:34,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:08:34,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 33 conjunts are in the unsatisfiable core [2024-05-30 17:08:34,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:08:34,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-05-30 17:08:34,644 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:08:34,645 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 17:08:35,046 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-05-30 17:08:35,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2024-05-30 17:08:35,601 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:08:35,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875255497] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 17:08:35,601 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 17:08:35,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 18, 18] total 38 [2024-05-30 17:08:35,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675152540] [2024-05-30 17:08:35,602 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 17:08:35,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-05-30 17:08:35,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:08:35,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-05-30 17:08:35,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1288, Unknown=0, NotChecked=0, Total=1406 [2024-05-30 17:08:35,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:08:35,604 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:08:35,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 10.342105263157896) internal successors, (393), 38 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 17:08:35,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:08:35,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 17:08:35,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-30 17:08:35,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:08:35,604 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 17:08:36,587 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:36,587 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:36,587 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:36,851 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:36,851 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:36,851 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:36,885 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:36,886 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:36,886 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:36,911 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:36,911 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:36,911 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:36,933 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:36,933 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:36,933 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:36,950 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:36,950 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:36,950 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:36,979 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:36,979 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:36,979 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:37,014 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:37,014 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:37,014 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:37,030 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:37,031 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:37,031 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:37,049 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:37,049 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:37,049 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:37,082 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:37,082 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:37,082 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:37,106 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:37,106 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:37,106 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:37,128 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:37,128 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:37,128 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:37,288 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:37,289 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:37,289 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:37,325 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1824 states. [2024-05-30 17:08:37,325 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 17:08:37,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:08:37,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 17:08:37,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-30 17:08:37,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-30 17:08:37,326 INFO L78 Accepts]: Start accepts. Automaton has currently 2019 states, but on-demand construction may add more states Word has length 170 [2024-05-30 17:08:37,327 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:08:37,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-30 17:08:37,532 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 [2024-05-30 17:08:37,533 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:08:37,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:08:37,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1456062026, now seen corresponding path program 2 times [2024-05-30 17:08:37,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:08:37,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663786468] [2024-05-30 17:08:37,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:08:37,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:08:37,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:08:37,894 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-30 17:08:37,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:08:37,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663786468] [2024-05-30 17:08:37,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663786468] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:08:37,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457644301] [2024-05-30 17:08:37,895 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 17:08:37,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:08:37,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:08:37,896 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 17:08:37,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-30 17:08:38,023 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-30 17:08:38,023 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 17:08:38,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 22 conjunts are in the unsatisfiable core [2024-05-30 17:08:38,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:08:38,202 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-30 17:08:38,202 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 17:08:38,492 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-30 17:08:38,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1457644301] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 17:08:38,492 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 17:08:38,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 23 [2024-05-30 17:08:38,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676832380] [2024-05-30 17:08:38,493 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 17:08:38,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-05-30 17:08:38,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:08:38,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-05-30 17:08:38,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2024-05-30 17:08:38,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:08:38,494 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:08:38,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 9.565217391304348) internal successors, (220), 23 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 17:08:38,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:08:38,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 17:08:38,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-30 17:08:38,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-30 17:08:38,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:08:38,495 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 17:08:38,768 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:38,769 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:38,769 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:38,951 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:38,951 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:38,951 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:39,132 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:39,132 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:39,132 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:39,167 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:39,168 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:39,168 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:39,217 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:39,217 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:39,217 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:39,267 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:39,267 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:39,267 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:39,317 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:39,317 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:39,317 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:39,367 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:39,367 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:39,367 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:39,431 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:39,432 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:39,432 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:39,484 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:39,484 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:39,485 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:39,512 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:39,512 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:39,512 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:39,551 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:39,551 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:39,551 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:39,585 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:39,585 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:39,585 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:39,609 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:39,609 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:39,609 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:39,706 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:39,706 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:39,706 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:39,725 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1996 states. [2024-05-30 17:08:39,725 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 17:08:39,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:08:39,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 17:08:39,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-30 17:08:39,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-30 17:08:39,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 17:08:39,726 INFO L78 Accepts]: Start accepts. Automaton has currently 2194 states, but on-demand construction may add more states Word has length 183 [2024-05-30 17:08:39,727 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:08:39,745 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-05-30 17:08:39,932 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 [2024-05-30 17:08:39,933 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:08:39,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:08:39,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1225164345, now seen corresponding path program 3 times [2024-05-30 17:08:39,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:08:39,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573937875] [2024-05-30 17:08:39,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:08:39,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:08:40,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:08:43,742 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:08:43,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:08:43,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573937875] [2024-05-30 17:08:43,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573937875] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:08:43,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060424008] [2024-05-30 17:08:43,743 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-30 17:08:43,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:08:43,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:08:43,744 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 17:08:43,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-30 17:08:43,903 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-05-30 17:08:43,903 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 17:08:43,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 64 conjunts are in the unsatisfiable core [2024-05-30 17:08:43,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:08:46,297 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-30 17:08:46,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 47 [2024-05-30 17:08:46,317 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:08:46,317 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 17:08:47,890 INFO L349 Elim1Store]: treesize reduction 15, result has 90.2 percent of original size [2024-05-30 17:08:47,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 132 treesize of output 189 [2024-05-30 17:08:48,849 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:08:48,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1060424008] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 17:08:48,850 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 17:08:48,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 37, 31] total 95 [2024-05-30 17:08:48,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95185811] [2024-05-30 17:08:48,850 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 17:08:48,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2024-05-30 17:08:48,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:08:48,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2024-05-30 17:08:48,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=707, Invalid=8223, Unknown=0, NotChecked=0, Total=8930 [2024-05-30 17:08:48,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:08:48,854 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:08:48,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 5.063157894736842) internal successors, (481), 95 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 17:08:48,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:08:48,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 17:08:48,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-30 17:08:48,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-30 17:08:48,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 17:08:48,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:08:48,854 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 17:08:51,488 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:51,488 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:51,489 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:52,241 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:52,241 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:52,241 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:52,961 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:52,961 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:52,961 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:53,484 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:53,484 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:53,484 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:54,429 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:54,429 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:54,429 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:54,478 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:54,478 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:54,478 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:54,501 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:54,501 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:54,502 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:54,520 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:54,521 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:54,521 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:54,553 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:54,553 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:54,553 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:54,582 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:54,582 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:54,582 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:54,600 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:54,600 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:54,600 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:54,681 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:54,682 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:54,682 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:54,858 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1926 states. [2024-05-30 17:08:54,858 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 17:08:54,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:08:54,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 17:08:54,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-30 17:08:54,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-30 17:08:54,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 17:08:54,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-05-30 17:08:54,859 INFO L78 Accepts]: Start accepts. Automaton has currently 2175 states, but on-demand construction may add more states Word has length 204 [2024-05-30 17:08:54,860 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:08:54,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-30 17:08:55,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-05-30 17:08:55,061 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:08:55,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:08:55,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1832982128, now seen corresponding path program 4 times [2024-05-30 17:08:55,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:08:55,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351020049] [2024-05-30 17:08:55,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:08:55,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:08:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:08:55,449 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 2 proven. 80 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-30 17:08:55,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:08:55,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351020049] [2024-05-30 17:08:55,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351020049] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:08:55,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1912013446] [2024-05-30 17:08:55,450 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-30 17:08:55,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:08:55,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:08:55,451 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 17:08:55,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-30 17:08:55,593 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-30 17:08:55,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 17:08:55,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 19 conjunts are in the unsatisfiable core [2024-05-30 17:08:55,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:08:55,827 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-30 17:08:55,828 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 17:08:56,207 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 43 proven. 39 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-30 17:08:56,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1912013446] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 17:08:56,207 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 17:08:56,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 11] total 30 [2024-05-30 17:08:56,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160954032] [2024-05-30 17:08:56,208 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 17:08:56,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-05-30 17:08:56,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:08:56,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-05-30 17:08:56,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=724, Unknown=0, NotChecked=0, Total=870 [2024-05-30 17:08:56,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:08:56,209 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:08:56,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 10.033333333333333) internal successors, (301), 30 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 17:08:56,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:08:56,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 17:08:56,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-30 17:08:56,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-30 17:08:56,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 17:08:56,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-05-30 17:08:56,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:08:56,210 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 17:08:56,385 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:56,386 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:56,386 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:56,591 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:56,591 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:56,591 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:56,809 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:56,810 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:56,810 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:57,013 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:57,014 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:57,014 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 17:08:57,207 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:57,208 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:57,208 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:57,227 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:57,228 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:57,228 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:57,439 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:57,439 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:08:57,440 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:57,464 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:57,464 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:57,464 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:57,494 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:57,494 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:57,494 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:57,521 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:57,521 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:57,521 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:57,550 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:57,550 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:57,550 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:57,584 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:57,584 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:57,585 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:57,609 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:57,609 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:57,609 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:57,633 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:57,633 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:57,633 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:57,672 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:57,672 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:57,672 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:57,705 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:57,705 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:57,705 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:57,727 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:57,727 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:57,727 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:57,861 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:08:57,862 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:57,862 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:08:57,912 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 2730 states. [2024-05-30 17:08:57,912 INFO L212 cStratifiedReduction]: Copied states 200 times. [2024-05-30 17:08:57,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:08:57,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 17:08:57,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-30 17:08:57,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-30 17:08:57,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 17:08:57,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-05-30 17:08:57,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-30 17:08:57,913 INFO L78 Accepts]: Start accepts. Automaton has currently 2846 states, but on-demand construction may add more states Word has length 253 [2024-05-30 17:08:57,914 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:08:57,919 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-05-30 17:08:58,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:08:58,119 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:08:58,120 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:08:58,120 INFO L85 PathProgramCache]: Analyzing trace with hash 2114636909, now seen corresponding path program 1 times [2024-05-30 17:08:58,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:08:58,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784158332] [2024-05-30 17:08:58,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:08:58,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:08:58,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:08:58,856 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-30 17:08:58,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:08:58,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784158332] [2024-05-30 17:08:58,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784158332] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:08:58,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1313424022] [2024-05-30 17:08:58,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:08:58,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:08:58,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:08:58,858 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 17:08:58,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-30 17:08:59,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:08:59,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 47 conjunts are in the unsatisfiable core [2024-05-30 17:08:59,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:08:59,833 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-30 17:08:59,833 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 17:09:01,143 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-30 17:09:01,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1313424022] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 17:09:01,144 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 17:09:01,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 26, 26] total 61 [2024-05-30 17:09:01,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283332819] [2024-05-30 17:09:01,144 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 17:09:01,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-05-30 17:09:01,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:09:01,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-05-30 17:09:01,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=319, Invalid=3341, Unknown=0, NotChecked=0, Total=3660 [2024-05-30 17:09:01,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:09:01,147 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:09:01,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 7.213114754098361) internal successors, (440), 61 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 17:09:01,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:09:01,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 17:09:01,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-30 17:09:01,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-30 17:09:01,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 17:09:01,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-05-30 17:09:01,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-30 17:09:01,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:09:01,148 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 17:09:14,497 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:14,498 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:14,498 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:14,529 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:14,529 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:14,530 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:15,684 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:15,684 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:15,685 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:15,706 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:15,706 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:15,706 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:16,678 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:16,679 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:16,679 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:16,695 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:16,695 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:16,695 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:17,715 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:17,716 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:17,716 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:17,733 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:17,733 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:17,733 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:18,680 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:18,680 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:18,680 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:18,700 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:18,700 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:18,700 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:19,337 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:19,337 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:19,338 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:19,358 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:19,358 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:19,358 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:19,820 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:19,821 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:19,821 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:19,842 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:19,842 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:19,842 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:20,245 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:20,245 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:20,245 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:20,268 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:20,268 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:20,268 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:20,326 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:20,326 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:09:20,326 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:20,357 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:20,357 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:20,357 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:20,410 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:20,410 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:20,410 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:20,444 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:20,444 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:20,444 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:20,479 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:20,479 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:20,479 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:20,526 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:20,526 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:20,526 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:20,680 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:20,680 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:20,680 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:20,698 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:20,699 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:20,699 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:20,730 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:20,730 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:20,730 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:20,754 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:20,755 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:20,755 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:20,774 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:20,774 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:20,774 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:20,860 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:09:20,860 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:20,860 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:09:20,914 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 4690 states. [2024-05-30 17:09:20,914 INFO L212 cStratifiedReduction]: Copied states 1161 times. [2024-05-30 17:09:20,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:09:20,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 17:09:20,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-30 17:09:20,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-30 17:09:20,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 17:09:20,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-05-30 17:09:20,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-30 17:09:20,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-30 17:09:20,915 INFO L78 Accepts]: Start accepts. Automaton has currently 3905 states, but on-demand construction may add more states Word has length 292 [2024-05-30 17:09:20,916 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:09:20,936 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-30 17:09:21,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-05-30 17:09:21,122 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:09:21,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:09:21,123 INFO L85 PathProgramCache]: Analyzing trace with hash -600008566, now seen corresponding path program 2 times [2024-05-30 17:09:21,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:09:21,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743204802] [2024-05-30 17:09:21,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:09:21,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:09:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:10:56,751 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 17:10:56,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:10:56,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743204802] [2024-05-30 17:10:56,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743204802] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:10:56,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1949480636] [2024-05-30 17:10:56,752 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 17:10:56,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:10:56,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:10:56,755 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 17:10:56,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-30 17:10:56,953 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-30 17:10:56,954 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 17:10:56,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 81 conjunts are in the unsatisfiable core [2024-05-30 17:10:56,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:11:02,393 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-30 17:11:02,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 87 treesize of output 205 [2024-05-30 17:11:02,706 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 296 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-05-30 17:11:02,706 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 17:11:10,019 INFO L349 Elim1Store]: treesize reduction 35, result has 95.8 percent of original size [2024-05-30 17:11:10,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 26 new quantified variables, introduced 91 case distinctions, treesize of input 115 treesize of output 889 [2024-05-30 17:11:23,882 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 281 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-05-30 17:11:23,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1949480636] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 17:11:23,882 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 17:11:23,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [90, 41, 33] total 149 [2024-05-30 17:11:23,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753404440] [2024-05-30 17:11:23,885 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 17:11:23,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 149 states [2024-05-30 17:11:23,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:11:23,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 149 interpolants. [2024-05-30 17:11:23,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=549, Invalid=21503, Unknown=0, NotChecked=0, Total=22052 [2024-05-30 17:11:23,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:11:23,911 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:11:23,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 149 states, 149 states have (on average 5.355704697986577) internal successors, (798), 149 states have internal predecessors, (798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 17:11:23,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:11:23,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 17:11:23,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-30 17:11:23,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-30 17:11:23,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 17:11:23,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-05-30 17:11:23,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-30 17:11:23,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-30 17:11:23,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:11:23,914 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 17:11:30,360 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:30,360 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:11:30,361 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:30,373 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:30,374 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:30,374 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:31,365 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:31,365 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:11:31,365 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:31,379 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:31,379 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:31,380 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:32,628 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:32,628 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:11:32,628 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:32,643 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:32,644 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:32,644 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:34,006 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:34,006 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:11:34,006 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:34,023 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:34,023 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:34,023 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:34,627 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:34,628 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:11:34,628 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:34,645 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:34,645 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:34,645 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:35,263 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:35,263 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:11:35,263 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:35,283 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:35,296 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:35,296 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:35,975 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:35,975 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:11:35,975 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:35,988 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:35,989 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:35,989 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:38,648 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:38,648 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:11:38,648 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:38,662 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:38,662 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:38,662 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:40,625 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:40,625 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:11:40,625 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:40,646 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:40,646 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:40,646 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:40,672 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:40,672 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:40,672 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:40,690 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:40,691 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:40,691 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:40,710 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:40,710 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:40,710 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:40,743 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:40,743 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:40,743 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:40,769 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:40,769 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:40,769 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:40,791 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:40,791 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:40,792 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:40,874 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:40,875 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:40,875 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:41,106 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 4441 states. [2024-05-30 17:11:41,106 INFO L212 cStratifiedReduction]: Copied states 1161 times. [2024-05-30 17:11:41,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:11:41,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 17:11:41,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-30 17:11:41,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-30 17:11:41,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 17:11:41,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-05-30 17:11:41,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-30 17:11:41,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-30 17:11:41,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-05-30 17:11:41,114 INFO L78 Accepts]: Start accepts. Automaton has currently 3646 states, but on-demand construction may add more states Word has length 313 [2024-05-30 17:11:41,116 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:11:41,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-30 17:11:41,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:11:41,324 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:11:41,325 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:11:41,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1360356985, now seen corresponding path program 3 times [2024-05-30 17:11:41,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:11:41,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215768745] [2024-05-30 17:11:41,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:11:41,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:11:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:11:42,407 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 373 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-05-30 17:11:42,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:11:42,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215768745] [2024-05-30 17:11:42,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215768745] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:11:42,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2021781141] [2024-05-30 17:11:42,408 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-30 17:11:42,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:11:42,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:11:42,409 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 17:11:42,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-30 17:11:43,010 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-05-30 17:11:43,011 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 17:11:43,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 52 conjunts are in the unsatisfiable core [2024-05-30 17:11:43,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:11:43,577 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 373 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-05-30 17:11:43,577 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 17:11:45,277 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 373 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-05-30 17:11:45,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2021781141] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 17:11:45,277 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 17:11:45,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 27, 29] total 68 [2024-05-30 17:11:45,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194502311] [2024-05-30 17:11:45,277 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 17:11:45,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2024-05-30 17:11:45,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:11:45,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2024-05-30 17:11:45,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=4234, Unknown=0, NotChecked=0, Total=4556 [2024-05-30 17:11:45,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:11:45,280 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:11:45,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 7.676470588235294) internal successors, (522), 68 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 17:11:45,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:11:45,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 17:11:45,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-30 17:11:45,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-30 17:11:45,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 17:11:45,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-05-30 17:11:45,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-30 17:11:45,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-30 17:11:45,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-05-30 17:11:45,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:11:45,281 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 17:11:47,667 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:47,667 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:11:47,667 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:47,680 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:47,680 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:47,680 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:50,173 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:50,173 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:11:50,173 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:50,195 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:50,196 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:50,197 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:53,266 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:53,266 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:11:53,266 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:53,281 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:53,281 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:53,281 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:55,338 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:55,339 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:11:55,339 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:55,361 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:55,361 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:55,361 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:59,380 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:59,380 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:11:59,380 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:59,399 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:11:59,400 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:11:59,400 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:12:02,161 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:12:02,161 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:12:02,161 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:12:02,180 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:12:02,181 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:12:02,181 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:12:05,695 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:12:05,695 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:12:05,695 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:12:05,782 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:12:05,782 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:12:05,782 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:12:21,405 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 [] [2024-05-30 17:12:24,042 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:12:24,042 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:12:24,042 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:12:24,060 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:12:24,060 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:12:24,060 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:13:02,137 WARN L293 SmtUtils]: Spent 10.48s on a formula simplification. DAG size of input: 74 DAG size of output: 55 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-30 17:13:03,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 17:13:05,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 17:13:28,117 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:13:28,117 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:13:28,117 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:13:28,136 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:13:28,137 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:13:28,137 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:14:31,106 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:14:31,106 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:14:31,107 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:14:31,127 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:14:31,127 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:14:31,127 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:15:25,656 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:15:25,657 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:15:25,657 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:15:25,678 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:15:25,678 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:15:25,678 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:15:58,048 WARN L293 SmtUtils]: Spent 6.35s on a formula simplification. DAG size of input: 57 DAG size of output: 48 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-30 17:16:10,842 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:16:10,842 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:16:10,842 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:16:10,866 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:16:10,866 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:16:10,866 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:16:38,833 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:16:38,834 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:16:38,834 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:16:38,859 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:16:38,859 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:16:38,859 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:17:06,153 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:17:06,154 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:17:06,154 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:17:06,181 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:17:06,181 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:17:06,181 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:17:28,615 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:17:28,615 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:17:28,615 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:17:28,632 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:17:28,632 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:17:28,632 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:17:40,639 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 5729 states. [2024-05-30 17:17:40,639 INFO L212 cStratifiedReduction]: Copied states 2039 times. [2024-05-30 17:17:40,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:17:40,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 17:17:40,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-30 17:17:40,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-30 17:17:40,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-30 17:17:40,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-05-30 17:17:40,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-30 17:17:40,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-30 17:17:40,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-05-30 17:17:40,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 253 states. [2024-05-30 17:17:40,640 INFO L78 Accepts]: Start accepts. Automaton has currently 3789 states, but on-demand construction may add more states Word has length 453 [2024-05-30 17:17:40,642 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 17:17:40,652 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-05-30 17:17:40,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-05-30 17:17:40,843 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 17:17:40,843 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 17:17:40,843 INFO L85 PathProgramCache]: Analyzing trace with hash -2034770675, now seen corresponding path program 4 times [2024-05-30 17:17:40,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 17:17:40,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907428407] [2024-05-30 17:17:40,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 17:17:40,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 17:17:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 17:17:42,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-05-30 17:17:42,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 17:17:42,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907428407] [2024-05-30 17:17:42,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907428407] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 17:17:42,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911692473] [2024-05-30 17:17:42,999 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-30 17:17:42,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 17:17:42,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 17:17:43,000 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 17:17:43,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-30 17:17:44,023 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-30 17:17:44,024 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 17:17:44,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 746 conjuncts, 108 conjunts are in the unsatisfiable core [2024-05-30 17:17:44,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 17:17:45,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 0 proven. 1471 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-05-30 17:17:45,836 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 17:17:49,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-05-30 17:17:49,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1911692473] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 17:17:49,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 17:17:49,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 54, 49] total 119 [2024-05-30 17:17:49,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178497509] [2024-05-30 17:17:49,835 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 17:17:49,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 119 states [2024-05-30 17:17:49,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 17:17:49,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2024-05-30 17:17:49,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=767, Invalid=13275, Unknown=0, NotChecked=0, Total=14042 [2024-05-30 17:17:49,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:17:49,841 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 17:17:49,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 119 states, 119 states have (on average 7.151260504201681) internal successors, (851), 119 states have internal predecessors, (851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 17:17:49,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:17:49,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 17:17:49,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-30 17:17:49,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-30 17:17:49,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-30 17:17:49,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-05-30 17:17:49,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-30 17:17:49,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-30 17:17:49,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-05-30 17:17:49,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 253 states. [2024-05-30 17:17:49,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 17:17:49,841 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 17:17:50,739 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:17:50,739 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:17:50,739 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:17:50,752 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:17:50,752 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:17:50,752 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:17:51,314 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:17:51,315 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:17:51,315 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:17:51,328 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:17:51,328 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:17:51,328 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:17:51,876 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:17:51,876 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:17:51,876 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:17:51,891 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:17:51,891 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:17:51,891 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:17:52,406 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:17:52,406 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:17:52,406 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:17:52,422 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:17:52,422 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:17:52,422 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:17:52,940 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:17:52,940 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:17:52,940 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:17:52,958 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:17:52,958 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:17:52,958 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:17:53,462 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:17:53,462 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:17:53,462 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:17:53,481 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:17:53,481 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:17:53,482 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:17:53,959 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:17:53,960 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:17:53,960 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:17:53,980 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:17:53,980 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:17:53,980 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:17:54,477 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:17:54,477 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:17:54,477 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:17:54,500 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:17:54,501 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:17:54,501 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:17:54,993 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:17:54,993 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:17:54,993 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:17:55,019 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:17:55,019 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:17:55,019 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:17:55,559 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:17:55,559 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:17:55,559 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:17:55,585 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:17:55,586 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:17:55,586 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:17:56,141 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:17:56,141 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:17:56,141 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:17:56,163 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:17:56,163 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:17:56,163 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:18:04,283 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:18:04,283 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:18:04,283 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:18:04,299 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:18:04,300 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:18:04,300 INFO L395 cStratifiedReduction]: Actual level: [thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_~i~0#1] [2024-05-30 17:18:15,643 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:18:15,644 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:18:15,644 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~2#1, thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, ULTIMATE.start_create_fresh_int_array_#t~post27#1, thread1Thread1of1ForFork0_~i~0#1, ULTIMATE.start_create_fresh_int_array_#t~malloc26#1.offset] [2024-05-30 17:18:15,662 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:18:15,662 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~2#1, thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, ULTIMATE.start_create_fresh_int_array_#t~post27#1, thread1Thread1of1ForFork0_~i~0#1, ULTIMATE.start_create_fresh_int_array_#t~malloc26#1.offset] [2024-05-30 17:18:15,662 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~2#1, thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, ULTIMATE.start_create_fresh_int_array_#t~post27#1, thread1Thread1of1ForFork0_~i~0#1, ULTIMATE.start_create_fresh_int_array_#t~malloc26#1.offset] [2024-05-30 17:18:26,719 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:18:26,719 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:18:26,719 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~2#1, thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, ULTIMATE.start_create_fresh_int_array_#t~post27#1, thread1Thread1of1ForFork0_~i~0#1, ULTIMATE.start_create_fresh_int_array_#t~malloc26#1.offset] [2024-05-30 17:18:26,739 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:18:26,739 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~2#1, thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, ULTIMATE.start_create_fresh_int_array_#t~post27#1, thread1Thread1of1ForFork0_~i~0#1, ULTIMATE.start_create_fresh_int_array_#t~malloc26#1.offset] [2024-05-30 17:18:26,739 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~2#1, thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, ULTIMATE.start_create_fresh_int_array_#t~post27#1, thread1Thread1of1ForFork0_~i~0#1, ULTIMATE.start_create_fresh_int_array_#t~malloc26#1.offset] [2024-05-30 17:18:33,631 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:18:33,631 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 17:18:33,631 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~2#1, thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, ULTIMATE.start_create_fresh_int_array_#t~post27#1, thread1Thread1of1ForFork0_~i~0#1, ULTIMATE.start_create_fresh_int_array_#t~malloc26#1.offset] [2024-05-30 17:18:33,653 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 17:18:33,653 INFO L394 cStratifiedReduction]: Guessed abstraction level: [ULTIMATE.start_create_fresh_int_array_~i~2#1, thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, ULTIMATE.start_create_fresh_int_array_#t~post27#1, thread1Thread1of1ForFork0_~i~0#1, ULTIMATE.start_create_fresh_int_array_#t~malloc26#1.offset] [2024-05-30 17:18:33,653 INFO L395 cStratifiedReduction]: Actual level: [ULTIMATE.start_create_fresh_int_array_~i~2#1, thread2Thread1of1ForFork1_#t~post4#1, thread2Thread1of1ForFork1_#t~post6#1, thread2Thread1of1ForFork1_#t~post8#1, thread1Thread1of1ForFork0_#t~post2#1, ~n~0, thread2Thread1of1ForFork1_#t~post10#1, thread2Thread1of1ForFork1_~i~1#1, ULTIMATE.start_create_fresh_int_array_#t~post27#1, thread1Thread1of1ForFork0_~i~0#1, ULTIMATE.start_create_fresh_int_array_#t~malloc26#1.offset] [2024-05-30 17:19:50,214 WARN L293 SmtUtils]: Spent 5.04s on a formula simplification. DAG size of input: 107 DAG size of output: 33 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-30 17:21:02,945 WARN L293 SmtUtils]: Spent 5.57s on a formula simplification. DAG size of input: 110 DAG size of output: 36 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2024-05-30 17:22:31,050 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-30 17:22:31,050 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-30 17:22:31,050 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-30 17:22:31,108 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 5778 states. [2024-05-30 17:22:31,108 INFO L212 cStratifiedReduction]: Copied states 2039 times. [2024-05-30 17:22:31,118 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-05-30 17:22:31,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-05-30 17:22:31,309 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 292 known predicates. [2024-05-30 17:22:31,311 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 17:22:31,333 INFO L445 BasicCegarLoop]: Path program histogram: [4, 4, 1, 1, 1] [2024-05-30 17:22:31,334 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/3) [2024-05-30 17:22:31,335 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-30 17:22:31,335 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-30 17:22:31,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.05 05:22:31 BasicIcfg [2024-05-30 17:22:31,337 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-30 17:22:31,337 INFO L158 Benchmark]: Toolchain (without parser) took 843035.35ms. Allocated memory was 195.0MB in the beginning and 2.8GB in the end (delta: 2.6GB). Free memory was 126.3MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 405.4MB. Max. memory is 8.0GB. [2024-05-30 17:22:31,337 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 195.0MB. Free memory was 163.9MB in the beginning and 163.8MB in the end (delta: 67.1kB). There was no memory consumed. Max. memory is 8.0GB. [2024-05-30 17:22:31,338 INFO L158 Benchmark]: CACSL2BoogieTranslator took 234.28ms. Allocated memory is still 195.0MB. Free memory was 126.2MB in the beginning and 113.7MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-05-30 17:22:31,338 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.78ms. Allocated memory is still 195.0MB. Free memory was 113.7MB in the beginning and 111.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-30 17:22:31,338 INFO L158 Benchmark]: Boogie Preprocessor took 30.33ms. Allocated memory is still 195.0MB. Free memory was 111.4MB in the beginning and 109.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-30 17:22:31,338 INFO L158 Benchmark]: RCFGBuilder took 513.14ms. Allocated memory was 195.0MB in the beginning and 235.9MB in the end (delta: 40.9MB). Free memory was 109.7MB in the beginning and 194.2MB in the end (delta: -84.5MB). Peak memory consumption was 14.8MB. Max. memory is 8.0GB. [2024-05-30 17:22:31,338 INFO L158 Benchmark]: TraceAbstraction took 842216.50ms. Allocated memory was 235.9MB in the beginning and 2.8GB in the end (delta: 2.6GB). Free memory was 193.1MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 431.5MB. Max. memory is 8.0GB. [2024-05-30 17:22:31,339 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 195.0MB. Free memory was 163.9MB in the beginning and 163.8MB in the end (delta: 67.1kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 234.28ms. Allocated memory is still 195.0MB. Free memory was 126.2MB in the beginning and 113.7MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.78ms. Allocated memory is still 195.0MB. Free memory was 113.7MB in the beginning and 111.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.33ms. Allocated memory is still 195.0MB. Free memory was 111.4MB in the beginning and 109.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 513.14ms. Allocated memory was 195.0MB in the beginning and 235.9MB in the end (delta: 40.9MB). Free memory was 109.7MB in the beginning and 194.2MB in the end (delta: -84.5MB). Peak memory consumption was 14.8MB. Max. memory is 8.0GB. * TraceAbstraction took 842216.50ms. Allocated memory was 235.9MB in the beginning and 2.8GB in the end (delta: 2.6GB). Free memory was 193.1MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 431.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 35700, independent: 32052, independent conditional: 32052, independent unconditional: 0, dependent: 3648, dependent conditional: 3648, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32052, independent: 32052, independent conditional: 32052, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 32052, independent: 32052, independent conditional: 32052, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32052, independent: 32052, independent conditional: 0, independent unconditional: 32052, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 32052, independent: 32052, independent conditional: 0, independent unconditional: 32052, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 32052, independent: 32052, independent conditional: 0, independent unconditional: 32052, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 32052, independent: 32052, independent conditional: 0, independent unconditional: 32052, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 32052, independent: 32052, independent conditional: 0, independent unconditional: 32052, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 32052, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 32052, unknown conditional: 0, unknown unconditional: 32052] , Statistics on independence cache: Total cache size (in pairs): 32052, Positive cache size: 32052, Positive conditional cache size: 0, Positive unconditional cache size: 32052, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 3648 - StatisticsResult: Reduction benchmarks 15.0ms Time before loop, 809.2ms Time in loop, 0.8s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 16, Reduction States: 1500, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 21.9ms Time before loop, 689.1ms Time in loop, 0.7s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 16, Reduction States: 1619, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 28.9ms Time before loop, 549.6ms Time in loop, 0.6s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 16, Reduction States: 1638, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 52.9ms Time before loop, 493.7ms Time in loop, 0.5s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 16, Reduction States: 1646, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 541.2ms Time before loop, 1179.7ms Time in loop, 1.7s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 17, Reduction States: 1824, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 86.9ms Time before loop, 1143.2ms Time in loop, 1.2s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 18, Reduction States: 1996, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 1681.7ms Time before loop, 4321.9ms Time in loop, 6.0s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 15, Reduction States: 1926, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 11.8ms Time before loop, 1690.4ms Time in loop, 1.7s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 21, Reduction States: 2730, Duplicate States: 200, Protected Variables: 4 - StatisticsResult: Reduction benchmarks 6443.1ms Time before loop, 13322.8ms Time in loop, 19.8s Time in total, Has Loop: 1, wrong guesses: 9, overall guesses: 31, Reduction States: 4690, Duplicate States: 1161, Protected Variables: 4 - StatisticsResult: Reduction benchmarks 3965.2ms Time before loop, 13226.9ms Time in loop, 17.2s Time in total, Has Loop: 1, wrong guesses: 9, overall guesses: 28, Reduction States: 4441, Duplicate States: 1161, Protected Variables: 4 - StatisticsResult: Reduction benchmarks 26.3ms Time before loop, 355331.8ms Time in loop, 355.4s Time in total, Has Loop: 1, wrong guesses: 15, overall guesses: 33, Reduction States: 5729, Duplicate States: 2039, Protected Variables: 8 - StatisticsResult: Reduction benchmarks 422.6ms Time before loop, 280844.3ms Time in loop, 281.3s Time in total, Has Loop: 1, wrong guesses: 15, overall guesses: 31, Reduction States: 5778, Duplicate States: 2039, Protected Variables: 11 - StatisticsResult: Visitor Statistics States: 1482, Transitions: 1645, Traversal time: 0.8s - StatisticsResult: Visitor Statistics States: 1482, Transitions: 1652, Traversal time: 0.7s - StatisticsResult: Visitor Statistics States: 1495, Transitions: 1666, Traversal time: 0.6s - StatisticsResult: Visitor Statistics States: 1502, Transitions: 1673, Traversal time: 0.5s - StatisticsResult: Visitor Statistics States: 1665, Transitions: 1857, Traversal time: 1.7s - StatisticsResult: Visitor Statistics States: 1822, Transitions: 2012, Traversal time: 1.2s - StatisticsResult: Visitor Statistics States: 1761, Transitions: 1955, Traversal time: 6.0s - StatisticsResult: Visitor Statistics States: 2527, Transitions: 2813, Traversal time: 1.7s - StatisticsResult: Visitor Statistics States: 4441, Transitions: 4933, Traversal time: 19.8s - StatisticsResult: Visitor Statistics States: 4203, Transitions: 4662, Traversal time: 17.2s - StatisticsResult: Visitor Statistics States: 5461, Transitions: 6059, Traversal time: 355.4s - StatisticsResult: Visitor Statistics States: 5512, Transitions: 6122, Traversal time: 281.3s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 51, RedundantProofs: 8, ProvenStates: 2616, Times there's more than one choice: 2433, Avg number of choices: 7.391437308868501 - TimeoutResultAtElement [Line: 107]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 292 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 5 procedures, 338 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 842.1s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 686.9s, 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: 768, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 149.6s InterpolantComputationTime, 4579 NumberOfCodeBlocks, 4579 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 6568 ConstructedInterpolants, 41 QuantifiedInterpolants, 120455 SizeOfPredicates, 236 NumberOfNonLiveVariables, 3859 ConjunctsInSsa, 435 ConjunctsInUnsatCore, 28 InterpolantComputations, 3 PerfectInterpolantSequences, 550/7544 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