/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/mult-comm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-a4a1cd3-m [2024-05-30 16:03:15,709 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-30 16:03:15,776 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-05-30 16:03:15,780 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-30 16:03:15,780 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-30 16:03:15,780 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-05-30 16:03:15,805 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-30 16:03:15,805 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-30 16:03:15,806 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-30 16:03:15,809 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-30 16:03:15,809 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-30 16:03:15,810 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-30 16:03:15,810 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-30 16:03:15,811 INFO L153 SettingsManager]: * Use SBE=true [2024-05-30 16:03:15,811 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-30 16:03:15,811 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-30 16:03:15,812 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-30 16:03:15,812 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-30 16:03:15,812 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-30 16:03:15,812 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-30 16:03:15,812 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-30 16:03:15,812 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-30 16:03:15,813 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-30 16:03:15,813 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-30 16:03:15,814 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-30 16:03:15,814 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-30 16:03:15,814 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-30 16:03:15,814 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-30 16:03:15,814 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-30 16:03:15,814 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-30 16:03:15,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 16:03:15,815 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-30 16:03:15,816 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-30 16:03:15,816 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-05-30 16:03:15,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-30 16:03:15,816 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-30 16:03:15,816 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-05-30 16:03:15,816 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-05-30 16:03:15,816 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-30 16:03:15,816 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-30 16:03:15,817 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-30 16:03:15,817 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-30 16:03:16,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-30 16:03:16,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-30 16:03:16,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-30 16:03:16,053 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-30 16:03:16,053 INFO L274 PluginConnector]: CDTParser initialized [2024-05-30 16:03:16,054 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/mult-comm.wvr.c [2024-05-30 16:03:17,074 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-30 16:03:17,220 INFO L384 CDTParser]: Found 1 translation units. [2024-05-30 16:03:17,220 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-comm.wvr.c [2024-05-30 16:03:17,226 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/30a931a5a/aceb43755ae54be6b9a517a941d665ae/FLAG2081816ed [2024-05-30 16:03:17,236 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/30a931a5a/aceb43755ae54be6b9a517a941d665ae [2024-05-30 16:03:17,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-30 16:03:17,238 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-30 16:03:17,239 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-30 16:03:17,239 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-30 16:03:17,246 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-30 16:03:17,247 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 04:03:17" (1/1) ... [2024-05-30 16:03:17,248 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bc18c41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:03:17, skipping insertion in model container [2024-05-30 16:03:17,248 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 04:03:17" (1/1) ... [2024-05-30 16:03:17,262 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-30 16:03:17,382 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-comm.wvr.c[1910,1923] [2024-05-30 16:03:17,385 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 16:03:17,392 INFO L202 MainTranslator]: Completed pre-run [2024-05-30 16:03:17,404 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-comm.wvr.c[1910,1923] [2024-05-30 16:03:17,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 16:03:17,417 INFO L206 MainTranslator]: Completed translation [2024-05-30 16:03:17,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:03:17 WrapperNode [2024-05-30 16:03:17,417 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-30 16:03:17,418 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-30 16:03:17,418 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-30 16:03:17,418 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-30 16:03:17,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:03:17" (1/1) ... [2024-05-30 16:03:17,428 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:03:17" (1/1) ... [2024-05-30 16:03:17,461 INFO L138 Inliner]: procedures = 21, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2024-05-30 16:03:17,461 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-30 16:03:17,462 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-30 16:03:17,462 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-30 16:03:17,462 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-30 16:03:17,469 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:03:17" (1/1) ... [2024-05-30 16:03:17,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:03:17" (1/1) ... [2024-05-30 16:03:17,481 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:03:17" (1/1) ... [2024-05-30 16:03:17,482 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:03:17" (1/1) ... [2024-05-30 16:03:17,490 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:03:17" (1/1) ... [2024-05-30 16:03:17,492 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:03:17" (1/1) ... [2024-05-30 16:03:17,493 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:03:17" (1/1) ... [2024-05-30 16:03:17,494 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:03:17" (1/1) ... [2024-05-30 16:03:17,495 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-30 16:03:17,495 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-30 16:03:17,496 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-30 16:03:17,496 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-30 16:03:17,496 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:03:17" (1/1) ... [2024-05-30 16:03:17,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 16:03:17,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:03:17,535 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 16:03:17,553 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 16:03:17,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-30 16:03:17,586 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-30 16:03:17,586 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-30 16:03:17,586 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-30 16:03:17,587 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-30 16:03:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-30 16:03:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-30 16:03:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-30 16:03:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-30 16:03:17,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-30 16:03:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-30 16:03:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-30 16:03:17,590 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 16:03:17,677 INFO L241 CfgBuilder]: Building ICFG [2024-05-30 16:03:17,679 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-30 16:03:17,833 INFO L282 CfgBuilder]: Performing block encoding [2024-05-30 16:03:17,841 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-30 16:03:17,841 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-05-30 16:03:17,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 04:03:17 BoogieIcfgContainer [2024-05-30 16:03:17,841 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-30 16:03:17,843 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-30 16:03:17,844 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-30 16:03:17,864 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-30 16:03:17,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.05 04:03:17" (1/3) ... [2024-05-30 16:03:17,864 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@99a9fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 04:03:17, skipping insertion in model container [2024-05-30 16:03:17,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 04:03:17" (2/3) ... [2024-05-30 16:03:17,865 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@99a9fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 04:03:17, skipping insertion in model container [2024-05-30 16:03:17,865 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 04:03:17" (3/3) ... [2024-05-30 16:03:17,866 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-comm.wvr.c [2024-05-30 16:03:17,873 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-30 16:03:17,880 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-30 16:03:17,881 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-30 16:03:17,881 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-30 16:03:17,937 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-30 16:03:17,984 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 16:03:17,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 16:03:17,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:03:17,987 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 16:03:17,997 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 16:03:18,023 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 16:03:18,029 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 16:03:18,038 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;@151e3bac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 16:03:18,038 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 16:03:18,043 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:03:18,146 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:03:18,146 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:03:18,146 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:03:18,165 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:03:18,166 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:03:18,166 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:03:18,179 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:03:18,179 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:03:18,179 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:03:18,193 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:03:18,193 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:03:18,193 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:03:18,199 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 120 states. [2024-05-30 16:03:18,199 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:03:18,202 INFO L78 Accepts]: Start accepts. Automaton has currently 129 states, but on-demand construction may add more states Word has length 56 [2024-05-30 16:03:18,204 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:03:18,204 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:03:18,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:03:18,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1391676768, now seen corresponding path program 1 times [2024-05-30 16:03:18,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:03:18,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748736363] [2024-05-30 16:03:18,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:03:18,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:03:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:03:18,435 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 16:03:18,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:03:18,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748736363] [2024-05-30 16:03:18,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748736363] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 16:03:18,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 16:03:18,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-30 16:03:18,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299950055] [2024-05-30 16:03:18,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 16:03:18,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-30 16:03:18,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:03:18,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-30 16:03:18,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-30 16:03:18,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:03:18,460 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:03:18,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 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 16:03:18,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:03:18,461 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:03:18,479 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:03:18,479 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:03:18,479 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:03:18,489 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:03:18,489 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:03:18,489 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:03:18,496 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:03:18,497 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:03:18,497 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:03:18,506 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:03:18,506 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:03:18,506 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:03:18,513 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 127 states. [2024-05-30 16:03:18,513 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:03:18,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:03:18,514 INFO L78 Accepts]: Start accepts. Automaton has currently 136 states, but on-demand construction may add more states Word has length 55 [2024-05-30 16:03:18,514 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:03:18,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-30 16:03:18,515 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:03:18,515 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:03:18,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1846040423, now seen corresponding path program 1 times [2024-05-30 16:03:18,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:03:18,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136688884] [2024-05-30 16:03:18,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:03:18,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:03:18,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:03:19,007 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 16:03:19,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:03:19,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136688884] [2024-05-30 16:03:19,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136688884] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 16:03:19,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 16:03:19,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-30 16:03:19,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655973997] [2024-05-30 16:03:19,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 16:03:19,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-30 16:03:19,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:03:19,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-30 16:03:19,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-05-30 16:03:19,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:03:19,010 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:03:19,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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 16:03:19,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:03:19,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:03:19,011 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:03:19,050 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:03:19,050 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:03:19,050 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:03:19,087 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 105 states. [2024-05-30 16:03:19,087 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:03:19,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:03:19,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 16:03:19,088 INFO L78 Accepts]: Start accepts. Automaton has currently 114 states, but on-demand construction may add more states Word has length 60 [2024-05-30 16:03:19,089 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:03:19,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-30 16:03:19,089 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:03:19,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:03:19,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1754353614, now seen corresponding path program 1 times [2024-05-30 16:03:19,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:03:19,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23208198] [2024-05-30 16:03:19,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:03:19,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:03:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:03:19,535 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 16:03:19,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:03:19,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23208198] [2024-05-30 16:03:19,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23208198] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:03:19,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936377086] [2024-05-30 16:03:19,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:03:19,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:03:19,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:03:19,570 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 16:03:19,592 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 16:03:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:03:19,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 17 conjunts are in the unsatisfiable core [2024-05-30 16:03:19,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:03:19,880 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 16:03:19,880 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:03:20,055 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 16:03:20,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [936377086] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:03:20,059 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:03:20,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 9] total 17 [2024-05-30 16:03:20,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416501656] [2024-05-30 16:03:20,060 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:03:20,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-05-30 16:03:20,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:03:20,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-05-30 16:03:20,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-05-30 16:03:20,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:03:20,063 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:03:20,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 7.235294117647059) internal successors, (123), 17 states have internal predecessors, (123), 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 16:03:20,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:03:20,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 16:03:20,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:03:20,064 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:03:20,175 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:03:20,176 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:03:20,176 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:03:20,203 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 123 states. [2024-05-30 16:03:20,204 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:03:20,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:03:20,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 16:03:20,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-30 16:03:20,204 INFO L78 Accepts]: Start accepts. Automaton has currently 138 states, but on-demand construction may add more states Word has length 70 [2024-05-30 16:03:20,205 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:03:20,210 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 16:03:20,409 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 16:03:20,410 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:03:20,410 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:03:20,410 INFO L85 PathProgramCache]: Analyzing trace with hash 85406139, now seen corresponding path program 1 times [2024-05-30 16:03:20,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:03:20,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819664601] [2024-05-30 16:03:20,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:03:20,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:03:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:03:21,595 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 16:03:21,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:03:21,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819664601] [2024-05-30 16:03:21,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819664601] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:03:21,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1067888545] [2024-05-30 16:03:21,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:03:21,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:03:21,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:03:21,597 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 16:03:21,625 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 16:03:21,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:03:21,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 37 conjunts are in the unsatisfiable core [2024-05-30 16:03:21,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:03:22,507 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 16:03:22,507 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:03:25,002 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 16:03:25,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1067888545] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:03:25,003 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:03:25,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 44 [2024-05-30 16:03:25,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953776108] [2024-05-30 16:03:25,003 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:03:25,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-05-30 16:03:25,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:03:25,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-05-30 16:03:25,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=1696, Unknown=0, NotChecked=0, Total=1892 [2024-05-30 16:03:25,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:03:25,005 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:03:25,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 3.1363636363636362) internal successors, (138), 44 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 16:03:25,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:03:25,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 16:03:25,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-30 16:03:25,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:03:25,006 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:03:29,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:03:46,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:03:49,104 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:03:49,105 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:03:49,105 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:03:51,319 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:03:51,319 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:03:51,319 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:00,371 WARN L293 SmtUtils]: Spent 6.82s on a formula simplification. DAG size of input: 78 DAG size of output: 73 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-30 16:04:07,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:04:09,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:04:09,239 INFO L393 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-30 16:04:09,240 INFO L394 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-30 16:04:09,240 INFO L395 cStratifiedReduction]: Actual level: [] [2024-05-30 16:04:12,502 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 176 states. [2024-05-30 16:04:12,502 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:04:12,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:12,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 16:04:12,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-30 16:04:12,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-05-30 16:04:12,503 INFO L78 Accepts]: Start accepts. Automaton has currently 199 states, but on-demand construction may add more states Word has length 80 [2024-05-30 16:04:12,503 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:04:12,508 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-30 16:04:12,709 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 16:04:12,709 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:04:12,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:04:12,710 INFO L85 PathProgramCache]: Analyzing trace with hash 650259474, now seen corresponding path program 2 times [2024-05-30 16:04:12,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:04:12,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672697833] [2024-05-30 16:04:12,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:04:12,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:04:12,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:04:14,476 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:04:14,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:04:14,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672697833] [2024-05-30 16:04:14,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672697833] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:04:14,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583297070] [2024-05-30 16:04:14,477 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-30 16:04:14,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:04:14,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:04:14,478 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-30 16:04:14,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-30 16:04:15,945 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-30 16:04:15,945 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:04:15,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 48 conjunts are in the unsatisfiable core [2024-05-30 16:04:15,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:04:20,887 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:04:20,887 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:04:30,269 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:04:30,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583297070] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:04:30,269 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:04:30,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 28, 27] total 62 [2024-05-30 16:04:30,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489733850] [2024-05-30 16:04:30,270 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:04:30,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-05-30 16:04:30,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:04:30,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-05-30 16:04:30,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=266, Invalid=3514, Unknown=2, NotChecked=0, Total=3782 [2024-05-30 16:04:30,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:30,272 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:04:30,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 2.7419354838709675) internal successors, (170), 62 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 16:04:30,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:30,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 16:04:30,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-30 16:04:30,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-05-30 16:04:30,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:04:30,273 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:04:32,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-30 16:04:39,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-30 16:04:41,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-30 16:04:43,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-30 16:04:46,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-30 16:04:48,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-30 16:04:56,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:05:01,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:06:53,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-30 16:06:55,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-30 16:07:04,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-30 16:07:06,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-30 16:07:08,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-30 16:07:27,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-30 16:07:29,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-30 16:07:31,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-30 16:08:10,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-30 16:08:12,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-30 16:08:14,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-30 16:08:28,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-30 16:08:30,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-30 16:08:32,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-30 16:09:10,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-30 16:09:12,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-30 16:09:14,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-30 16:09:24,110 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 169 states. [2024-05-30 16:09:24,110 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:09:24,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:09:24,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-30 16:09:24,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-30 16:09:24,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-05-30 16:09:24,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-30 16:09:24,110 INFO L78 Accepts]: Start accepts. Automaton has currently 170 states, but on-demand construction may add more states Word has length 100 [2024-05-30 16:09:24,113 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 16:09:24,134 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 16:09:24,313 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 16:09:24,313 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 16:09:24,314 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 16:09:24,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1478250926, now seen corresponding path program 3 times [2024-05-30 16:09:24,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 16:09:24,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893540270] [2024-05-30 16:09:24,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 16:09:24,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 16:09:24,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 16:09:26,918 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:09:26,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 16:09:26,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893540270] [2024-05-30 16:09:26,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893540270] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-30 16:09:26,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [859204514] [2024-05-30 16:09:26,919 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-30 16:09:26,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-30 16:09:26,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 16:09:26,920 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 16:09:26,921 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 16:09:27,893 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-05-30 16:09:27,894 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-30 16:09:27,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 76 conjunts are in the unsatisfiable core [2024-05-30 16:09:27,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-30 16:09:40,499 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:09:40,500 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-30 16:11:28,432 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 16:11:28,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [859204514] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-30 16:11:28,432 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-30 16:11:28,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 42, 42] total 108 [2024-05-30 16:11:28,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972618717] [2024-05-30 16:11:28,433 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-30 16:11:28,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 108 states [2024-05-30 16:11:28,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 16:11:28,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2024-05-30 16:11:28,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=651, Invalid=10889, Unknown=16, NotChecked=0, Total=11556 [2024-05-30 16:11:28,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:11:28,436 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 16:11:28,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 108 states, 108 states have (on average 2.2222222222222223) internal successors, (240), 108 states have internal predecessors, (240), 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 16:11:28,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:11:28,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-30 16:11:28,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-30 16:11:28,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-05-30 16:11:28,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-05-30 16:11:28,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 16:11:28,437 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 16:11:41,202 WARN L293 SmtUtils]: Spent 12.34s on a formula simplification. DAG size of input: 186 DAG size of output: 72 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-30 16:11:51,124 WARN L293 SmtUtils]: Spent 9.12s on a formula simplification. DAG size of input: 194 DAG size of output: 86 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-30 16:11:58,369 WARN L293 SmtUtils]: Spent 5.47s on a formula simplification. DAG size of input: 177 DAG size of output: 87 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-30 16:12:29,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:12:42,458 WARN L293 SmtUtils]: Spent 5.56s on a formula simplification. DAG size of input: 146 DAG size of output: 69 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-30 16:13:08,487 WARN L293 SmtUtils]: Spent 5.55s on a formula simplification. DAG size of input: 146 DAG size of output: 69 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-30 16:13:11,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:13:39,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:13:42,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:14:02,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:14:04,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:14:33,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:14:35,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:14:41,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:14:43,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:14:45,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:14:47,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:14:50,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:14:52,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:15:39,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:15:43,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:16:04,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:16:16,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:16:23,997 WARN L293 SmtUtils]: Spent 6.88s on a formula simplification. DAG size of input: 96 DAG size of output: 36 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-30 16:16:35,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-30 16:16:37,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] Received shutdown request... [2024-05-30 16:17:53,465 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 16:17:53,466 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-30 16:17:53,466 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 16:17:53,483 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 128 states. [2024-05-30 16:17:53,483 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 16:17:53,491 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 16:17:53,684 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 16:17:53,685 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-9-4-2-2-1 term,while SimplifyDDA2 was simplifying 3 xjuncts wrt. a ∧-7-2-1 context. [2024-05-30 16:17:53,687 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 16:17:53,691 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1] [2024-05-30 16:17:53,692 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/3) [2024-05-30 16:17:53,693 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-30 16:17:53,693 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-30 16:17:53,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.05 04:17:53 BasicIcfg [2024-05-30 16:17:53,695 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-30 16:17:53,696 INFO L158 Benchmark]: Toolchain (without parser) took 876457.21ms. Allocated memory was 337.6MB in the beginning and 502.3MB in the end (delta: 164.6MB). Free memory was 267.4MB in the beginning and 179.1MB in the end (delta: 88.4MB). Peak memory consumption was 253.2MB. Max. memory is 8.0GB. [2024-05-30 16:17:53,696 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 184.5MB. Free memory is still 153.2MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-30 16:17:53,696 INFO L158 Benchmark]: CACSL2BoogieTranslator took 178.15ms. Allocated memory is still 337.6MB. Free memory was 267.3MB in the beginning and 255.9MB in the end (delta: 11.4MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-05-30 16:17:53,696 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.55ms. Allocated memory is still 337.6MB. Free memory was 255.9MB in the beginning and 254.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-30 16:17:53,696 INFO L158 Benchmark]: Boogie Preprocessor took 32.80ms. Allocated memory is still 337.6MB. Free memory was 254.3MB in the beginning and 253.1MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-30 16:17:53,697 INFO L158 Benchmark]: RCFGBuilder took 345.99ms. Allocated memory is still 337.6MB. Free memory was 253.1MB in the beginning and 240.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-05-30 16:17:53,697 INFO L158 Benchmark]: TraceAbstraction took 875851.89ms. Allocated memory was 337.6MB in the beginning and 502.3MB in the end (delta: 164.6MB). Free memory was 239.4MB in the beginning and 179.1MB in the end (delta: 60.3MB). Peak memory consumption was 226.0MB. Max. memory is 8.0GB. [2024-05-30 16:17:53,698 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 184.5MB. Free memory is still 153.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 178.15ms. Allocated memory is still 337.6MB. Free memory was 267.3MB in the beginning and 255.9MB in the end (delta: 11.4MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.55ms. Allocated memory is still 337.6MB. Free memory was 255.9MB in the beginning and 254.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.80ms. Allocated memory is still 337.6MB. Free memory was 254.3MB in the beginning and 253.1MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 345.99ms. Allocated memory is still 337.6MB. Free memory was 253.1MB in the beginning and 240.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 875851.89ms. Allocated memory was 337.6MB in the beginning and 502.3MB in the end (delta: 164.6MB). Free memory was 239.4MB in the beginning and 179.1MB in the end (delta: 60.3MB). Peak memory consumption was 226.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 199, independent: 157, independent conditional: 157, independent unconditional: 0, dependent: 42, dependent conditional: 42, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 157, independent: 157, independent conditional: 157, 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: 157, independent: 157, independent conditional: 157, 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: 157, independent: 157, independent conditional: 0, independent unconditional: 157, 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: 157, independent: 157, independent conditional: 0, independent unconditional: 157, 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: 157, independent: 157, independent conditional: 0, independent unconditional: 157, 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: 157, independent: 157, independent conditional: 0, independent unconditional: 157, 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: 157, independent: 157, independent conditional: 0, independent unconditional: 157, 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: 157, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 157, unknown conditional: 0, unknown unconditional: 157] , Statistics on independence cache: Total cache size (in pairs): 157, Positive cache size: 157, Positive conditional cache size: 0, Positive unconditional cache size: 157, 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: 42 - StatisticsResult: Reduction benchmarks 19.8ms Time before loop, 135.4ms Time in loop, 0.2s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 6, Reduction States: 120, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 8.7ms Time before loop, 43.4ms Time in loop, 0.1s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 6, Reduction States: 127, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 24.7ms Time before loop, 50.9ms Time in loop, 0.1s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 3, Reduction States: 105, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 71.6ms Time before loop, 67.6ms Time in loop, 0.1s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 3, Reduction States: 123, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 17940.2ms Time before loop, 29555.9ms Time in loop, 47.5s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 5, Reduction States: 176, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 292449.7ms Time before loop, 1387.0ms Time in loop, 293.8s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 2, Reduction States: 169, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 385046.0ms Time before loop, 0.0ms Time in loop, 385.0s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 128, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Visitor Statistics States: 101, Transitions: 110, Traversal time: 0.2s - StatisticsResult: Visitor Statistics States: 101, Transitions: 111, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 76, Transitions: 80, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 87, Transitions: 92, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 131, Transitions: 142, Traversal time: 47.5s - StatisticsResult: Visitor Statistics States: 103, Transitions: 105, Traversal time: 293.8s - StatisticsResult: Visitor Statistics States: 70, Transitions: 70, Traversal time: 385.0s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 16, RedundantProofs: 6, ProvenStates: 18, Times there's more than one choice: 13, Avg number of choices: 2.8333333333333335 - TimeoutResultAtElement [Line: 70]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-9-4-2-2-1 term,while SimplifyDDA2 was simplifying 3 xjuncts wrt. a ∧-7-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 5 procedures, 98 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 875.7s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 726.8s, 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: 233, 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: 0.1s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 144.9s InterpolantComputationTime, 731 NumberOfCodeBlocks, 731 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1027 ConstructedInterpolants, 11 QuantifiedInterpolants, 17880 SizeOfPredicates, 72 NumberOfNonLiveVariables, 672 ConjunctsInSsa, 178 ConjunctsInUnsatCore, 14 InterpolantComputations, 2 PerfectInterpolantSequences, 0/459 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