/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-figure3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-a4a1cd3-m [2024-05-30 16:29:57,388 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-30 16:29:57,463 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-05-30 16:29:57,468 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-30 16:29:57,469 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-30 16:29:57,469 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-05-30 16:29:57,496 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-30 16:29:57,497 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-30 16:29:57,497 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-30 16:29:57,501 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-30 16:29:57,501 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-30 16:29:57,502 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-30 16:29:57,502 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-30 16:29:57,503 INFO L153 SettingsManager]: * Use SBE=true [2024-05-30 16:29:57,503 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-30 16:29:57,504 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-30 16:29:57,504 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-30 16:29:57,504 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-30 16:29:57,504 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-30 16:29:57,505 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-30 16:29:57,505 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-30 16:29:57,505 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-30 16:29:57,506 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-30 16:29:57,507 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-30 16:29:57,507 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-30 16:29:57,507 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-30 16:29:57,507 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-30 16:29:57,508 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-30 16:29:57,508 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-30 16:29:57,508 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-30 16:29:57,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 16:29:57,510 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-30 16:29:57,510 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-30 16:29:57,510 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-05-30 16:29:57,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-30 16:29:57,510 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-30 16:29:57,510 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-05-30 16:29:57,511 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-05-30 16:29:57,511 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-30 16:29:57,511 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-30 16:29:57,511 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-30 16:29:57,511 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-30 16:29:57,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-30 16:29:57,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-30 16:29:57,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-30 16:29:57,828 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-30 16:29:57,829 INFO L274 PluginConnector]: CDTParser initialized [2024-05-30 16:29:57,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-figure3.wvr.c [2024-05-30 16:29:58,984 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-30 16:29:59,169 INFO L384 CDTParser]: Found 1 translation units. [2024-05-30 16:29:59,170 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure3.wvr.c [2024-05-30 16:29:59,176 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/82a54f119/5153028644b847538d0ffa49dae305b2/FLAGadda49ce8 [2024-05-30 16:29:59,187 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/82a54f119/5153028644b847538d0ffa49dae305b2 [2024-05-30 16:29:59,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-30 16:29:59,190 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-30 16:29:59,192 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-30 16:29:59,192 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-30 16:29:59,197 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-30 16:29:59,198 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 04:29:59" (1/1) ... [2024-05-30 16:29:59,198 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ccdfa4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:29:59, skipping insertion in model container [2024-05-30 16:29:59,199 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 04:29:59" (1/1) ... [2024-05-30 16:29:59,218 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-30 16:29:59,353 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure3.wvr.c[2121,2134] [2024-05-30 16:29:59,357 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 16:29:59,365 INFO L202 MainTranslator]: Completed pre-run [2024-05-30 16:29:59,379 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-figure3.wvr.c[2121,2134] [2024-05-30 16:29:59,380 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 16:29:59,392 INFO L206 MainTranslator]: Completed translation [2024-05-30 16:29:59,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:29:59 WrapperNode [2024-05-30 16:29:59,393 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-30 16:29:59,394 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-30 16:29:59,394 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-30 16:29:59,394 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-30 16:29:59,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:29:59" (1/1) ... [2024-05-30 16:29:59,408 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:29:59" (1/1) ... [2024-05-30 16:29:59,426 INFO L138 Inliner]: procedures = 21, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 74 [2024-05-30 16:29:59,426 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-30 16:29:59,427 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-30 16:29:59,427 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-30 16:29:59,427 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-30 16:29:59,434 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:29:59" (1/1) ... [2024-05-30 16:29:59,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:29:59" (1/1) ... [2024-05-30 16:29:59,437 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:29:59" (1/1) ... [2024-05-30 16:29:59,437 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:29:59" (1/1) ... [2024-05-30 16:29:59,441 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:29:59" (1/1) ... [2024-05-30 16:29:59,444 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:29:59" (1/1) ... [2024-05-30 16:29:59,445 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:29:59" (1/1) ... [2024-05-30 16:29:59,446 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:29:59" (1/1) ... [2024-05-30 16:29:59,448 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-30 16:29:59,449 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-30 16:29:59,449 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-30 16:29:59,449 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-30 16:29:59,450 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:29:59" (1/1) ... [2024-05-30 16:29:59,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 16:29:59,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:29:59,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-30 16:29:59,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-30 16:29:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-30 16:29:59,548 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-30 16:29:59,549 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-30 16:29:59,549 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-30 16:29:59,549 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-30 16:29:59,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-30 16:29:59,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-30 16:29:59,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-30 16:29:59,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-30 16:29:59,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-30 16:29:59,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-30 16:29:59,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-30 16:29:59,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-30 16:29:59,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-30 16:29:59,554 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-30 16:29:59,667 INFO L241 CfgBuilder]: Building ICFG [2024-05-30 16:29:59,669 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-30 16:29:59,856 INFO L282 CfgBuilder]: Performing block encoding [2024-05-30 16:29:59,902 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-30 16:29:59,902 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-05-30 16:29:59,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 04:29:59 BoogieIcfgContainer [2024-05-30 16:29:59,903 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-30 16:29:59,905 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-30 16:29:59,905 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-30 16:29:59,908 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-30 16:29:59,908 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.05 04:29:59" (1/3) ... [2024-05-30 16:29:59,909 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@547eb206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 04:29:59, skipping insertion in model container [2024-05-30 16:29:59,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:29:59" (2/3) ... [2024-05-30 16:29:59,909 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@547eb206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 04:29:59, skipping insertion in model container [2024-05-30 16:29:59,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 04:29:59" (3/3) ... [2024-05-30 16:29:59,911 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-figure3.wvr.c [2024-05-30 16:29:59,919 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-30 16:29:59,928 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-30 16:29:59,929 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-30 16:29:59,929 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-30 16:29:59,981 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-30 16:30:00,037 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 16:30:00,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 16:30:00,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:30:00,040 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-30 16:30:00,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-30 16:30:00,090 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 16:30:00,098 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 16:30:00,103 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;@d0b1d35, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 16:30:00,103 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 16:30:00,109 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:30:00,193 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:30:00,193 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:30:00,193 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:30:00,214 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:30:00,214 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:30:00,214 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:30:00,232 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:30:00,232 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:30:00,233 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:30:00,259 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:30:00,261 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:30:00,262 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:30:00,284 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 126 states. [2024-05-30 16:30:00,284 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:30:00,287 INFO L78 Accepts]: Start accepts. Automaton has currently 135 states, but on-demand construction may add more states Word has length 62 [2024-05-30 16:30:00,290 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:30:00,291 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:30:00,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:30:00,296 INFO L85 PathProgramCache]: Analyzing trace with hash 859618689, now seen corresponding path program 1 times [2024-05-30 16:30:00,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:30:00,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6400027] [2024-05-30 16:30:00,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:30:00,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:30:00,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:30:00,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:30:00,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:30:00,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6400027] [2024-05-30 16:30:00,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6400027] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 16:30:00,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 16:30:00,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-30 16:30:00,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024022893] [2024-05-30 16:30:00,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 16:30:00,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-30 16:30:00,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:30:00,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-30 16:30:00,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-30 16:30:00,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:30:00,632 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:30:00,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:30:00,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:30:00,635 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:30:00,679 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:30:00,679 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:30:00,680 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:30:00,696 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:30:00,696 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:30:00,696 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:30:00,710 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:30:00,710 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:30:00,711 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:30:00,722 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:30:00,722 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:30:00,722 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:30:00,730 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 134 states. [2024-05-30 16:30:00,730 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:30:00,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:30:00,731 INFO L78 Accepts]: Start accepts. Automaton has currently 143 states, but on-demand construction may add more states Word has length 60 [2024-05-30 16:30:00,732 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:30:00,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-30 16:30:00,732 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:30:00,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:30:00,733 INFO L85 PathProgramCache]: Analyzing trace with hash -268527029, now seen corresponding path program 1 times [2024-05-30 16:30:00,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:30:00,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605338983] [2024-05-30 16:30:00,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:30:00,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:30:00,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:30:01,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:30:01,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:30:01,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605338983] [2024-05-30 16:30:01,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605338983] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 16:30:01,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 16:30:01,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-05-30 16:30:01,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609777443] [2024-05-30 16:30:01,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 16:30:01,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-30 16:30:01,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:30:01,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-30 16:30:01,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-05-30 16:30:01,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:30:01,151 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:30:01,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:30:01,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:30:01,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:30:01,152 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:30:01,240 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:30:01,240 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:30:01,240 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:30:01,264 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 112 states. [2024-05-30 16:30:01,264 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:30:01,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:30:01,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 16:30:01,265 INFO L78 Accepts]: Start accepts. Automaton has currently 121 states, but on-demand construction may add more states Word has length 65 [2024-05-30 16:30:01,266 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:30:01,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-30 16:30:01,267 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:30:01,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:30:01,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1225714288, now seen corresponding path program 1 times [2024-05-30 16:30:01,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:30:01,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273970217] [2024-05-30 16:30:01,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:30:01,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:30:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:30:01,510 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 16:30:01,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:30:01,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273970217] [2024-05-30 16:30:01,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273970217] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:30:01,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226636840] [2024-05-30 16:30:01,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:30:01,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:30:01,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:30:01,550 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:30:01,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-30 16:30:01,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:30:01,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 6 conjunts are in the unsatisfiable core [2024-05-30 16:30:01,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:30:01,736 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 16:30:01,736 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:30:01,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:30:01,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [226636840] provided 1 perfect and 1 imperfect interpolant sequences [2024-05-30 16:30:01,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-05-30 16:30:01,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 5] total 7 [2024-05-30 16:30:01,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020325008] [2024-05-30 16:30:01,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 16:30:01,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-30 16:30:01,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:30:01,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-30 16:30:01,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-05-30 16:30:01,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:30:01,831 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:30:01,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:30:01,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:30:01,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 16:30:01,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:30:01,831 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:30:01,891 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:30:01,891 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:30:01,892 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:30:01,900 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 116 states. [2024-05-30 16:30:01,900 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:30:01,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:30:01,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 16:30:01,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:30:01,901 INFO L78 Accepts]: Start accepts. Automaton has currently 126 states, but on-demand construction may add more states Word has length 70 [2024-05-30 16:30:01,904 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:30:01,912 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-30 16:30:02,109 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 16:30:02,110 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:30:02,110 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:30:02,111 INFO L85 PathProgramCache]: Analyzing trace with hash 236069044, now seen corresponding path program 1 times [2024-05-30 16:30:02,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:30:02,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977973549] [2024-05-30 16:30:02,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:30:02,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:30:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:30:02,365 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 16:30:02,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:30:02,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977973549] [2024-05-30 16:30:02,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977973549] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:30:02,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595826237] [2024-05-30 16:30:02,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:30:02,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:30:02,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:30:02,367 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:30:02,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-30 16:30:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:30:02,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 15 conjunts are in the unsatisfiable core [2024-05-30 16:30:02,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:30:02,511 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 16:30:02,511 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:30:02,628 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 16:30:02,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [595826237] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:30:02,628 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:30:02,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 9 [2024-05-30 16:30:02,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321020547] [2024-05-30 16:30:02,629 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:30:02,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-05-30 16:30:02,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:30:02,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-05-30 16:30:02,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-05-30 16:30:02,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:30:02,633 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:30:02,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.333333333333334) internal successors, (138), 9 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:30:02,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:30:02,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 16:30:02,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:30:02,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:30:02,634 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:30:02,702 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:30:02,702 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:30:02,703 INFO L395 cStratifiedReduction]: Actual level: [~N~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 16:30:02,713 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:30:02,713 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~N~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 16:30:02,713 INFO L395 cStratifiedReduction]: Actual level: [~N~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 16:30:02,734 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 135 states. [2024-05-30 16:30:02,734 INFO L212 cStratifiedReduction]: Copied states 8 times. [2024-05-30 16:30:02,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:30:02,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 16:30:02,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:30:02,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:30:02,734 INFO L78 Accepts]: Start accepts. Automaton has currently 137 states, but on-demand construction may add more states Word has length 75 [2024-05-30 16:30:02,735 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:30:02,744 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-30 16:30:02,941 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 16:30:02,941 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:30:02,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:30:02,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1342981785, now seen corresponding path program 2 times [2024-05-30 16:30:02,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:30:02,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251577390] [2024-05-30 16:30:02,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:30:02,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:30:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:30:03,242 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:30:03,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:30:03,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251577390] [2024-05-30 16:30:03,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251577390] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:30:03,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [587589085] [2024-05-30 16:30:03,247 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 16:30:03,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:30:03,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:30:03,249 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:30:03,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-30 16:30:03,330 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-30 16:30:03,331 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:30:03,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 14 conjunts are in the unsatisfiable core [2024-05-30 16:30:03,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:30:03,425 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:30:03,425 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:30:03,585 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:30:03,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [587589085] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:30:03,586 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:30:03,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2024-05-30 16:30:03,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727611835] [2024-05-30 16:30:03,586 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:30:03,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-05-30 16:30:03,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:30:03,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-05-30 16:30:03,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2024-05-30 16:30:03,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:30:03,591 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:30:03,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.8125) internal successors, (93), 16 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:30:03,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:30:03,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 16:30:03,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:30:03,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:30:03,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:30:03,596 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:30:04,238 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:30:04,238 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:30:04,238 INFO L395 cStratifiedReduction]: Actual level: [~N~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 16:30:04,243 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:30:04,243 INFO L394 cStratifiedReduction]: Guessed abstraction level: [~N~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 16:30:04,244 INFO L395 cStratifiedReduction]: Actual level: [~N~0, thread2Thread1of1ForFork1_~i~1#1] [2024-05-30 16:30:04,378 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:30:04,379 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~i~0, thread2Thread1of1ForFork1_#t~post2#1, ~N~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_#t~post1] [2024-05-30 16:30:04,379 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~i~0, thread2Thread1of1ForFork1_#t~post2#1, ~N~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_#t~post1] [2024-05-30 16:30:04,389 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:30:04,390 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~i~0, thread2Thread1of1ForFork1_#t~post2#1, ~N~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_#t~post1] [2024-05-30 16:30:04,390 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~i~0, thread2Thread1of1ForFork1_#t~post2#1, ~N~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_#t~post1] [2024-05-30 16:30:04,469 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 197 states. [2024-05-30 16:30:04,469 INFO L212 cStratifiedReduction]: Copied states 8 times. [2024-05-30 16:30:04,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:30:04,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 16:30:04,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:30:04,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:30:04,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-30 16:30:04,470 INFO L78 Accepts]: Start accepts. Automaton has currently 207 states, but on-demand construction may add more states Word has length 80 [2024-05-30 16:30:04,472 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:30:04,481 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-30 16:30:04,678 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 16:30:04,678 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:30:04,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:30:04,679 INFO L85 PathProgramCache]: Analyzing trace with hash 553973291, now seen corresponding path program 3 times [2024-05-30 16:30:04,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:30:04,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159624514] [2024-05-30 16:30:04,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:30:04,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:30:04,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:30:04,957 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:30:04,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:30:04,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159624514] [2024-05-30 16:30:04,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159624514] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:30:04,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906718246] [2024-05-30 16:30:04,958 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-30 16:30:04,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:30:04,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:30:04,959 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:30:04,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-30 16:30:05,037 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-05-30 16:30:05,038 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:30:05,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 37 conjunts are in the unsatisfiable core [2024-05-30 16:30:05,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:30:05,425 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:30:05,426 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:30:05,859 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:30:05,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [906718246] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:30:05,859 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:30:05,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 20, 16] total 35 [2024-05-30 16:30:05,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080083948] [2024-05-30 16:30:05,861 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:30:05,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-05-30 16:30:05,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:30:05,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-05-30 16:30:05,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=1011, Unknown=0, NotChecked=0, Total=1190 [2024-05-30 16:30:05,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:30:05,866 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:30:05,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 5.228571428571429) internal successors, (183), 35 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:30:05,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:30:05,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 16:30:05,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:30:05,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:30:05,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-30 16:30:05,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:30:05,867 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:30:06,628 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:30:06,628 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:30:06,628 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~i~0, thread2Thread1of1ForFork1_#t~post2#1, ~N~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_#t~post1] [2024-05-30 16:30:06,633 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:30:06,633 INFO L394 cStratifiedReduction]: Guessed abstraction level: [thread1Thread1of1ForFork0_~i~0, thread2Thread1of1ForFork1_#t~post2#1, ~N~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_#t~post1] [2024-05-30 16:30:06,633 INFO L395 cStratifiedReduction]: Actual level: [thread1Thread1of1ForFork0_~i~0, thread2Thread1of1ForFork1_#t~post2#1, ~N~0, thread2Thread1of1ForFork1_~i~1#1, thread1Thread1of1ForFork0_#t~post1] [2024-05-30 16:30:06,680 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 186 states. [2024-05-30 16:30:06,680 INFO L212 cStratifiedReduction]: Copied states 8 times. [2024-05-30 16:30:06,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:30:06,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 16:30:06,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:30:06,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:30:06,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-30 16:30:06,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-30 16:30:06,681 INFO L78 Accepts]: Start accepts. Automaton has currently 196 states, but on-demand construction may add more states Word has length 95 [2024-05-30 16:30:06,682 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:30:06,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-30 16:30:06,888 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 16:30:06,888 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:30:06,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:30:06,889 INFO L85 PathProgramCache]: Analyzing trace with hash -108742992, now seen corresponding path program 4 times [2024-05-30 16:30:06,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:30:06,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097443794] [2024-05-30 16:30:06,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:30:06,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:30:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:30:07,330 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:30:07,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:30:07,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097443794] [2024-05-30 16:30:07,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097443794] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:30:07,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1510767145] [2024-05-30 16:30:07,330 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-30 16:30:07,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:30:07,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:30:07,332 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:30:07,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-30 16:30:07,405 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-30 16:30:07,405 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:30:07,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 22 conjunts are in the unsatisfiable core [2024-05-30 16:30:07,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:30:07,605 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-05-30 16:30:07,605 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:30:07,944 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-05-30 16:30:07,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1510767145] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:30:07,944 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:30:07,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 13, 13] total 34 [2024-05-30 16:30:07,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736449612] [2024-05-30 16:30:07,945 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:30:07,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-05-30 16:30:07,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:30:07,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-05-30 16:30:07,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=994, Unknown=0, NotChecked=0, Total=1122 [2024-05-30 16:30:07,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:30:07,948 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:30:07,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 4.235294117647059) internal successors, (144), 34 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:30:07,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:30:07,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 16:30:07,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:30:07,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:30:07,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-30 16:30:07,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-05-30 16:30:07,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:30:07,949 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:30:09,543 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 180 states. [2024-05-30 16:30:09,543 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:30:09,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:30:09,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 16:30:09,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:30:09,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:30:09,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-30 16:30:09,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-30 16:30:09,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-30 16:30:09,545 INFO L78 Accepts]: Start accepts. Automaton has currently 181 states, but on-demand construction may add more states Word has length 115 [2024-05-30 16:30:09,546 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:30:09,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-30 16:30:09,752 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 16:30:09,753 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:30:09,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:30:09,753 INFO L85 PathProgramCache]: Analyzing trace with hash 2114531033, now seen corresponding path program 5 times [2024-05-30 16:30:09,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:30:09,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249945184] [2024-05-30 16:30:09,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:30:09,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:30:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:30:10,546 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:30:10,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:30:10,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249945184] [2024-05-30 16:30:10,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249945184] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:30:10,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [867516701] [2024-05-30 16:30:10,546 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-30 16:30:10,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:30:10,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:30:10,548 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:30:10,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-30 16:30:11,192 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-05-30 16:30:11,192 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:30:11,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 46 conjunts are in the unsatisfiable core [2024-05-30 16:30:11,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:30:11,589 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:30:11,589 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:30:12,423 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:30:12,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [867516701] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:30:12,424 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:30:12,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25, 25] total 48 [2024-05-30 16:30:12,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046685017] [2024-05-30 16:30:12,424 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:30:12,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-05-30 16:30:12,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:30:12,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-05-30 16:30:12,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=2079, Unknown=0, NotChecked=0, Total=2256 [2024-05-30 16:30:12,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:30:12,427 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:30:12,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 3.6041666666666665) internal successors, (173), 48 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:30:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:30:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 16:30:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:30:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:30:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-30 16:30:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-05-30 16:30:12,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-30 16:30:12,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:30:12,428 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:30:19,240 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 233 states. [2024-05-30 16:30:19,241 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:30:19,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:30:19,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 16:30:19,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:30:19,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:30:19,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-30 16:30:19,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-30 16:30:19,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-30 16:30:19,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-05-30 16:30:19,244 INFO L78 Accepts]: Start accepts. Automaton has currently 234 states, but on-demand construction may add more states Word has length 140 [2024-05-30 16:30:19,245 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:30:19,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-30 16:30:19,445 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 16:30:19,446 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:30:19,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:30:19,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1485009877, now seen corresponding path program 6 times [2024-05-30 16:30:19,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:30:19,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719555415] [2024-05-30 16:30:19,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:30:19,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:30:19,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:30:20,715 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:30:20,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:30:20,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719555415] [2024-05-30 16:30:20,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719555415] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:30:20,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [242616906] [2024-05-30 16:30:20,716 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-30 16:30:20,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:30:20,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:30:20,717 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:30:20,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-30 16:30:21,133 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2024-05-30 16:30:21,134 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:30:21,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 54 conjunts are in the unsatisfiable core [2024-05-30 16:30:21,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:30:21,813 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 286 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-05-30 16:30:21,813 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:30:23,082 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 286 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-05-30 16:30:23,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [242616906] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:30:23,082 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:30:23,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 29, 29] total 76 [2024-05-30 16:30:23,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165055209] [2024-05-30 16:30:23,083 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:30:23,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2024-05-30 16:30:23,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:30:23,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2024-05-30 16:30:23,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=414, Invalid=5286, Unknown=0, NotChecked=0, Total=5700 [2024-05-30 16:30:23,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:30:23,087 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:30:23,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 3.276315789473684) internal successors, (249), 76 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:30:23,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:30:23,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 16:30:23,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:30:23,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:30:23,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-30 16:30:23,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-05-30 16:30:23,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-30 16:30:23,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-05-30 16:30:23,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:30:23,088 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:30:44,938 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 306 states. [2024-05-30 16:30:44,938 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:30:44,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:30:44,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 16:30:44,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:30:44,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:30:44,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-30 16:30:44,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-30 16:30:44,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-30 16:30:44,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-05-30 16:30:44,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-05-30 16:30:44,941 INFO L78 Accepts]: Start accepts. Automaton has currently 307 states, but on-demand construction may add more states Word has length 185 [2024-05-30 16:30:44,942 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:30:44,947 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-05-30 16:30:45,144 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 16:30:45,144 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:30:45,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:30:45,145 INFO L85 PathProgramCache]: Analyzing trace with hash 185393424, now seen corresponding path program 7 times [2024-05-30 16:30:45,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:30:45,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867507185] [2024-05-30 16:30:45,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:30:45,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:30:45,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:30:47,887 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 0 proven. 775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:30:47,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:30:47,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867507185] [2024-05-30 16:30:47,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867507185] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:30:47,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [635054646] [2024-05-30 16:30:47,888 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-30 16:30:47,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:30:47,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:30:47,892 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:30:47,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-30 16:30:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:30:48,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 86 conjunts are in the unsatisfiable core [2024-05-30 16:30:48,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:30:49,310 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 0 proven. 725 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-05-30 16:30:49,311 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:30:52,095 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 0 proven. 725 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-05-30 16:30:52,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [635054646] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:30:52,095 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:30:52,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 45, 45] total 118 [2024-05-30 16:30:52,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198132522] [2024-05-30 16:30:52,096 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:30:52,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 118 states [2024-05-30 16:30:52,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:30:52,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2024-05-30 16:30:52,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=827, Invalid=12979, Unknown=0, NotChecked=0, Total=13806 [2024-05-30 16:30:52,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:30:52,103 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:30:52,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 118 states, 118 states have (on average 3.0) internal successors, (354), 118 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:30:52,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:30:52,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 16:30:52,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:30:52,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:30:52,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-30 16:30:52,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-05-30 16:30:52,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-30 16:30:52,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-05-30 16:30:52,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-05-30 16:30:52,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:30:52,104 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:35:46,676 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 431 states. [2024-05-30 16:35:46,676 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:35:46,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:35:46,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 16:35:46,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:35:46,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:35:46,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-05-30 16:35:46,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-30 16:35:46,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-30 16:35:46,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-05-30 16:35:46,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2024-05-30 16:35:46,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2024-05-30 16:35:46,677 INFO L78 Accepts]: Start accepts. Automaton has currently 432 states, but on-demand construction may add more states Word has length 255 [2024-05-30 16:35:46,678 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:35:46,683 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-05-30 16:35:46,880 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 16:35:46,880 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:35:46,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:35:46,881 INFO L85 PathProgramCache]: Analyzing trace with hash 284431097, now seen corresponding path program 8 times [2024-05-30 16:35:46,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:35:46,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347222808] [2024-05-30 16:35:46,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:35:46,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:35:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:35:52,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1944 backedges. 0 proven. 1944 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:35:52,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:35:52,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347222808] [2024-05-30 16:35:52,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347222808] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:35:52,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1368510143] [2024-05-30 16:35:52,160 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 16:35:52,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:35:52,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:35:52,161 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:35:52,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-30 16:35:52,296 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-30 16:35:52,296 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:35:52,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 126 conjunts are in the unsatisfiable core [2024-05-30 16:35:52,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:35:54,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1944 backedges. 0 proven. 1764 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-05-30 16:35:54,796 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:36:00,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1944 backedges. 0 proven. 1764 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-05-30 16:36:00,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1368510143] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:36:00,842 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:36:00,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [82, 65, 65] total 176 [2024-05-30 16:36:00,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789214809] [2024-05-30 16:36:00,843 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:36:00,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 176 states [2024-05-30 16:36:00,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:36:00,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 176 interpolants. [2024-05-30 16:36:00,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1660, Invalid=29140, Unknown=0, NotChecked=0, Total=30800 [2024-05-30 16:36:00,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:36:00,851 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:36:00,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 176 states, 176 states have (on average 2.835227272727273) internal successors, (499), 176 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:36:00,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:36:00,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 16:36:00,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 16:36:00,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 16:36:00,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-05-30 16:36:00,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-05-30 16:36:00,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-30 16:36:00,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-05-30 16:36:00,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2024-05-30 16:36:00,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2024-05-30 16:36:00,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:36:00,853 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:39:01,782 WARN L293 SmtUtils]: Spent 6.84s on a formula simplification. DAG size of input: 114 DAG size of output: 24 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-30 16:39:40,387 WARN L854 $PredicateComparison]: unable to prove that (and (< 14 (mod c_thread1Thread1of1ForFork0_~i~0 4294967296)) (= |c_thread2Thread1of1ForFork1_~i~1#1| 0) (< 14 (mod (+ |c_thread1Thread1of1ForFork0_#t~post1| 13) 4294967296)) (< 14 (mod (+ |c_thread1Thread1of1ForFork0_#t~post1| 4) 4294967296)) (< 14 (mod (+ c_thread1Thread1of1ForFork0_~i~0 4) 4294967296)) (< 14 (mod (+ c_thread1Thread1of1ForFork0_~i~0 10) 4294967296)) (< 14 (mod (+ |c_thread1Thread1of1ForFork0_#t~post1| 14) 4294967296)) (< 14 (mod (+ 8 c_thread1Thread1of1ForFork0_~i~0) 4294967296)) (< 14 (mod (+ 9 c_thread1Thread1of1ForFork0_~i~0) 4294967296)) (< 14 (mod (+ |c_thread1Thread1of1ForFork0_#t~post1| 8) 4294967296)) (< 14 (mod (+ |c_thread1Thread1of1ForFork0_#t~post1| 15) 4294967296)) (< 14 (mod (+ 5 c_thread1Thread1of1ForFork0_~i~0) 4294967296)) (< 14 (mod (+ c_thread1Thread1of1ForFork0_~i~0 12) 4294967296)) (<= (+ (* 4294967296 (div c_~N~0 4294967296)) 24) c_~N~0) (< 14 (mod (+ |c_thread1Thread1of1ForFork0_#t~post1| 3) 4294967296)) (< 14 (mod (+ 6 c_thread1Thread1of1ForFork0_~i~0) 4294967296)) (< 14 (mod (+ |c_thread1Thread1of1ForFork0_#t~post1| 5) 4294967296)) (< 14 (mod (+ 3 c_thread1Thread1of1ForFork0_~i~0) 4294967296)) (< 14 (mod (+ c_thread1Thread1of1ForFork0_~i~0 13) 4294967296)) (< 14 (mod (+ |c_thread1Thread1of1ForFork0_#t~post1| 11) 4294967296)) (< 14 (mod (+ |c_thread1Thread1of1ForFork0_#t~post1| 12) 4294967296)) (< 14 (mod (+ |c_thread1Thread1of1ForFork0_#t~post1| 2) 4294967296)) (< 14 (mod (+ |c_thread1Thread1of1ForFork0_#t~post1| 9) 4294967296)) (< 14 (mod (+ 7 |c_thread1Thread1of1ForFork0_#t~post1|) 4294967296)) (< 14 (mod (+ |c_thread1Thread1of1ForFork0_#t~post1| 10) 4294967296)) (< 14 (mod (+ 7 c_thread1Thread1of1ForFork0_~i~0) 4294967296)) (< 14 (mod (+ |c_thread1Thread1of1ForFork0_#t~post1| 1) 4294967296)) (< 14 (mod (+ c_thread1Thread1of1ForFork0_~i~0 1) 4294967296)) (< 14 (mod (+ 2 c_thread1Thread1of1ForFork0_~i~0) 4294967296)) (< 14 (mod (+ c_thread1Thread1of1ForFork0_~i~0 11) 4294967296)) (< 14 (mod (+ |c_thread1Thread1of1ForFork0_#t~post1| 6) 4294967296)) (< 14 (mod (+ 14 c_thread1Thread1of1ForFork0_~i~0) 4294967296))) is different from false [2024-05-30 16:42:09,464 WARN L293 SmtUtils]: Spent 5.26s on a formula simplification. DAG size of input: 110 DAG size of output: 24 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2024-05-30 16:44:17,112 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 16:44:17,112 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-30 16:44:17,112 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-30 16:44:18,122 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-05-30 16:44:18,126 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-05-30 16:44:18,135 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 326 states. [2024-05-30 16:44:18,135 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:44:18,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-05-30 16:44:18,135 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while executing Executor. [2024-05-30 16:44:18,137 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 16:44:18,142 INFO L445 BasicCegarLoop]: Path program histogram: [8, 1, 1, 1] [2024-05-30 16:44:18,143 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/3) [2024-05-30 16:44:18,145 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-30 16:44:18,145 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-30 16:44:18,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.05 04:44:18 BasicIcfg [2024-05-30 16:44:18,147 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-30 16:44:18,147 INFO L158 Benchmark]: Toolchain (without parser) took 858957.66ms. Allocated memory was 243.3MB in the beginning and 532.7MB in the end (delta: 289.4MB). Free memory was 172.2MB in the beginning and 209.6MB in the end (delta: -37.4MB). Peak memory consumption was 252.3MB. Max. memory is 8.0GB. [2024-05-30 16:44:18,148 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 243.3MB. Free memory was 210.6MB in the beginning and 210.4MB in the end (delta: 216.9kB). There was no memory consumed. Max. memory is 8.0GB. [2024-05-30 16:44:18,148 INFO L158 Benchmark]: CACSL2BoogieTranslator took 201.74ms. Allocated memory is still 243.3MB. Free memory was 172.0MB in the beginning and 160.7MB in the end (delta: 11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-05-30 16:44:18,148 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.20ms. Allocated memory is still 243.3MB. Free memory was 160.7MB in the beginning and 159.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-30 16:44:18,148 INFO L158 Benchmark]: Boogie Preprocessor took 21.42ms. Allocated memory is still 243.3MB. Free memory was 159.2MB in the beginning and 157.9MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-30 16:44:18,148 INFO L158 Benchmark]: RCFGBuilder took 453.88ms. Allocated memory is still 243.3MB. Free memory was 157.9MB in the beginning and 210.7MB in the end (delta: -52.8MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2024-05-30 16:44:18,149 INFO L158 Benchmark]: TraceAbstraction took 858241.88ms. Allocated memory was 243.3MB in the beginning and 532.7MB in the end (delta: 289.4MB). Free memory was 209.2MB in the beginning and 209.6MB in the end (delta: -467.3kB). Peak memory consumption was 288.9MB. Max. memory is 8.0GB. [2024-05-30 16:44:18,150 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 243.3MB. Free memory was 210.6MB in the beginning and 210.4MB in the end (delta: 216.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 201.74ms. Allocated memory is still 243.3MB. Free memory was 172.0MB in the beginning and 160.7MB in the end (delta: 11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.20ms. Allocated memory is still 243.3MB. Free memory was 160.7MB in the beginning and 159.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.42ms. Allocated memory is still 243.3MB. Free memory was 159.2MB in the beginning and 157.9MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 453.88ms. Allocated memory is still 243.3MB. Free memory was 157.9MB in the beginning and 210.7MB in the end (delta: -52.8MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 858241.88ms. Allocated memory was 243.3MB in the beginning and 532.7MB in the end (delta: 289.4MB). Free memory was 209.2MB in the beginning and 209.6MB in the end (delta: -467.3kB). Peak memory consumption was 288.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 288, independent: 219, independent conditional: 219, independent unconditional: 0, dependent: 69, dependent conditional: 69, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 219, independent: 219, independent conditional: 219, 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: 219, independent: 219, independent conditional: 219, 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: 219, independent: 219, independent conditional: 0, independent unconditional: 219, 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: 219, independent: 219, independent conditional: 0, independent unconditional: 219, 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: 219, independent: 219, independent conditional: 0, independent unconditional: 219, 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: 219, independent: 219, independent conditional: 0, independent unconditional: 219, 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: 219, independent: 219, independent conditional: 0, independent unconditional: 219, 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: 219, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 219, unknown conditional: 0, unknown unconditional: 219] , Statistics on independence cache: Total cache size (in pairs): 219, Positive cache size: 219, Positive conditional cache size: 0, Positive unconditional cache size: 219, 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: 69 - StatisticsResult: Reduction benchmarks 20.9ms Time before loop, 153.2ms Time in loop, 0.2s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 6, Reduction States: 126, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 18.3ms Time before loop, 76.9ms Time in loop, 0.1s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 6, Reduction States: 134, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 62.0ms Time before loop, 49.1ms Time in loop, 0.1s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 3, Reduction States: 112, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 29.3ms Time before loop, 39.0ms Time in loop, 0.1s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 3, Reduction States: 116, Duplicate States: 0, Protected Variables: 2 - StatisticsResult: Reduction benchmarks 47.6ms Time before loop, 52.1ms Time in loop, 0.1s Time in total, Has Loop: 1, wrong guesses: 1, overall guesses: 4, Reduction States: 135, Duplicate States: 8, Protected Variables: 2 - StatisticsResult: Reduction benchmarks 343.7ms Time before loop, 529.7ms Time in loop, 0.9s Time in total, Has Loop: 1, wrong guesses: 1, overall guesses: 6, Reduction States: 197, Duplicate States: 8, Protected Variables: 5 - StatisticsResult: Reduction benchmarks 692.7ms Time before loop, 120.4ms Time in loop, 0.8s Time in total, Has Loop: 1, wrong guesses: 1, overall guesses: 4, Reduction States: 186, Duplicate States: 8, Protected Variables: 5 - StatisticsResult: Reduction benchmarks 1052.7ms Time before loop, 540.3ms Time in loop, 1.6s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 2, Reduction States: 180, Duplicate States: 0, Protected Variables: 5 - StatisticsResult: Reduction benchmarks 6157.3ms Time before loop, 655.1ms Time in loop, 6.8s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 2, Reduction States: 233, Duplicate States: 0, Protected Variables: 5 - StatisticsResult: Reduction benchmarks 19119.0ms Time before loop, 2730.6ms Time in loop, 21.8s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 2, Reduction States: 306, Duplicate States: 0, Protected Variables: 5 - StatisticsResult: Reduction benchmarks 286050.7ms Time before loop, 8521.1ms Time in loop, 294.6s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 2, Reduction States: 431, Duplicate States: 0, Protected Variables: 5 - StatisticsResult: Reduction benchmarks 497281.6ms Time before loop, 0.0ms Time in loop, 497.3s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 326, Duplicate States: 0, Protected Variables: 5 - StatisticsResult: Visitor Statistics States: 107, Transitions: 116, Traversal time: 0.2s - StatisticsResult: Visitor Statistics States: 107, Transitions: 118, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 82, Transitions: 87, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 84, Transitions: 91, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 97, Transitions: 106, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 151, Transitions: 174, Traversal time: 0.9s - StatisticsResult: Visitor Statistics States: 128, Transitions: 139, Traversal time: 0.8s - StatisticsResult: Visitor Statistics States: 118, Transitions: 121, Traversal time: 1.6s - StatisticsResult: Visitor Statistics States: 146, Transitions: 149, Traversal time: 6.8s - StatisticsResult: Visitor Statistics States: 188, Transitions: 191, Traversal time: 21.8s - StatisticsResult: Visitor Statistics States: 258, Transitions: 261, Traversal time: 294.6s - StatisticsResult: Visitor Statistics States: 163, Transitions: 164, Traversal time: 497.3s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 53, RedundantProofs: 10, ProvenStates: 55, Times there's more than one choice: 43, Avg number of choices: 4.236363636363636 - TimeoutResultAtElement [Line: 76]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateUnifier was unifying predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 5 procedures, 104 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 858.1s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 824.4s, 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: 584, 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, 2.2s SatisfiabilityAnalysisTime, 29.0s InterpolantComputationTime, 2282 NumberOfCodeBlocks, 2282 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 3333 ConstructedInterpolants, 0 QuantifiedInterpolants, 16191 SizeOfPredicates, 194 NumberOfNonLiveVariables, 2148 ConjunctsInSsa, 406 ConjunctsInUnsatCore, 29 InterpolantComputations, 3 PerfectInterpolantSequences, 551/9774 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