/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/NewStatesSleep.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/test-hard1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-e23131f-m [2024-05-03 08:53:03,615 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-03 08:53:03,677 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-03 08:53:03,683 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-03 08:53:03,684 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-03 08:53:03,706 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-03 08:53:03,707 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-03 08:53:03,707 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-03 08:53:03,708 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-03 08:53:03,710 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-03 08:53:03,711 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-03 08:53:03,711 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-03 08:53:03,711 INFO L153 SettingsManager]: * Use SBE=true [2024-05-03 08:53:03,713 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-03 08:53:03,713 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-03 08:53:03,713 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-03 08:53:03,713 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-03 08:53:03,713 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-03 08:53:03,713 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-03 08:53:03,713 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-03 08:53:03,714 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-03 08:53:03,714 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-03 08:53:03,714 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-03 08:53:03,715 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-03 08:53:03,715 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-03 08:53:03,715 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-03 08:53:03,715 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-03 08:53:03,716 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-03 08:53:03,716 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-03 08:53:03,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 08:53:03,717 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-03 08:53:03,717 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-03 08:53:03,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-03 08:53:03,717 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-03 08:53:03,717 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-03 08:53:03,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-03 08:53:03,718 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-03 08:53:03,718 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-03 08:53:03,718 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-03 08:53:03,718 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-03 08:53:03,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-03 08:53:03,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-03 08:53:03,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-03 08:53:03,948 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-03 08:53:03,952 INFO L274 PluginConnector]: CDTParser initialized [2024-05-03 08:53:03,953 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/test-hard1.wvr.c [2024-05-03 08:53:04,947 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-03 08:53:05,136 INFO L384 CDTParser]: Found 1 translation units. [2024-05-03 08:53:05,137 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-hard1.wvr.c [2024-05-03 08:53:05,146 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a5951facc/8dfe1997960f4bc39923174511f1c445/FLAGfabf7fa03 [2024-05-03 08:53:05,164 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a5951facc/8dfe1997960f4bc39923174511f1c445 [2024-05-03 08:53:05,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-03 08:53:05,168 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-03 08:53:05,169 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-03 08:53:05,169 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-03 08:53:05,173 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-03 08:53:05,173 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 08:53:05" (1/1) ... [2024-05-03 08:53:05,174 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3389f614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:53:05, skipping insertion in model container [2024-05-03 08:53:05,174 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 08:53:05" (1/1) ... [2024-05-03 08:53:05,196 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-03 08:53:05,362 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/test-hard1.wvr.c[3373,3386] [2024-05-03 08:53:05,369 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 08:53:05,377 INFO L202 MainTranslator]: Completed pre-run [2024-05-03 08:53:05,410 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/test-hard1.wvr.c[3373,3386] [2024-05-03 08:53:05,411 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 08:53:05,422 INFO L206 MainTranslator]: Completed translation [2024-05-03 08:53:05,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:53:05 WrapperNode [2024-05-03 08:53:05,422 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-03 08:53:05,423 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-03 08:53:05,423 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-03 08:53:05,424 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-03 08:53:05,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:53:05" (1/1) ... [2024-05-03 08:53:05,446 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:53:05" (1/1) ... [2024-05-03 08:53:05,468 INFO L138 Inliner]: procedures = 24, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2024-05-03 08:53:05,468 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-03 08:53:05,469 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-03 08:53:05,469 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-03 08:53:05,469 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-03 08:53:05,475 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:53:05" (1/1) ... [2024-05-03 08:53:05,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:53:05" (1/1) ... [2024-05-03 08:53:05,486 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:53:05" (1/1) ... [2024-05-03 08:53:05,487 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:53:05" (1/1) ... [2024-05-03 08:53:05,493 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:53:05" (1/1) ... [2024-05-03 08:53:05,496 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:53:05" (1/1) ... [2024-05-03 08:53:05,497 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:53:05" (1/1) ... [2024-05-03 08:53:05,498 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:53:05" (1/1) ... [2024-05-03 08:53:05,499 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-03 08:53:05,500 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-03 08:53:05,500 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-03 08:53:05,500 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-03 08:53:05,500 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:53:05" (1/1) ... [2024-05-03 08:53:05,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 08:53:05,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:53:05,535 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) [2024-05-03 08:53:05,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-03 08:53:05,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-03 08:53:05,580 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-03 08:53:05,580 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-03 08:53:05,580 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-03 08:53:05,580 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-03 08:53:05,580 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-03 08:53:05,580 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-03 08:53:05,580 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-05-03 08:53:05,580 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-05-03 08:53:05,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-03 08:53:05,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-03 08:53:05,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-03 08:53:05,581 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-03 08:53:05,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-03 08:53:05,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-03 08:53:05,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-03 08:53:05,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-03 08:53:05,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-03 08:53:05,584 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-03 08:53:05,655 INFO L241 CfgBuilder]: Building ICFG [2024-05-03 08:53:05,656 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-03 08:53:05,880 INFO L282 CfgBuilder]: Performing block encoding [2024-05-03 08:53:05,926 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-03 08:53:05,926 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-05-03 08:53:05,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 08:53:05 BoogieIcfgContainer [2024-05-03 08:53:05,926 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-03 08:53:05,928 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-03 08:53:05,928 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-03 08:53:05,931 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-03 08:53:05,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.05 08:53:05" (1/3) ... [2024-05-03 08:53:05,931 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10758833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 08:53:05, skipping insertion in model container [2024-05-03 08:53:05,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:53:05" (2/3) ... [2024-05-03 08:53:05,932 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10758833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 08:53:05, skipping insertion in model container [2024-05-03 08:53:05,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 08:53:05" (3/3) ... [2024-05-03 08:53:05,932 INFO L112 eAbstractionObserver]: Analyzing ICFG test-hard1.wvr.c [2024-05-03 08:53:05,939 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-03 08:53:05,945 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-03 08:53:05,946 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-03 08:53:05,946 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-03 08:53:06,071 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-05-03 08:53:06,103 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 08:53:06,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 08:53:06,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:53:06,112 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-03 08:53:06,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-03 08:53:06,138 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 08:53:06,143 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-03 08:53:06,147 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=LoopHeads, 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;@6c4d7b1b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 08:53:06,147 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-03 08:53:07,013 INFO L78 Accepts]: Start accepts. Automaton has currently 346 states, but on-demand construction may add more states Word has length 119 [2024-05-03 08:53:07,014 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:53:07,014 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:53:07,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:53:07,019 INFO L85 PathProgramCache]: Analyzing trace with hash 258051786, now seen corresponding path program 1 times [2024-05-03 08:53:07,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:53:07,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232253441] [2024-05-03 08:53:07,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:53:07,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:53:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:53:07,265 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-05-03 08:53:07,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:53:07,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232253441] [2024-05-03 08:53:07,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232253441] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 08:53:07,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 08:53:07,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-03 08:53:07,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252597980] [2024-05-03 08:53:07,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 08:53:07,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-03 08:53:07,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:53:07,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-03 08:53:07,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-03 08:53:07,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:53:07,295 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:53:07,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 56.5) internal successors, (113), 2 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 08:53:07,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:53:07,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:53:07,358 INFO L78 Accepts]: Start accepts. Automaton has currently 346 states, but on-demand construction may add more states Word has length 117 [2024-05-03 08:53:07,359 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:53:07,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-03 08:53:07,360 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:53:07,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:53:07,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1283439068, now seen corresponding path program 1 times [2024-05-03 08:53:07,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:53:07,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924232322] [2024-05-03 08:53:07,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:53:07,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:53:07,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:53:07,816 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-03 08:53:07,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:53:07,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924232322] [2024-05-03 08:53:07,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924232322] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:53:07,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806517776] [2024-05-03 08:53:07,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:53:07,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:53:07,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:53:07,862 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 08:53:07,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-03 08:53:08,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:53:08,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 6 conjunts are in the unsatisfiable core [2024-05-03 08:53:08,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:53:08,142 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-03 08:53:08,142 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:53:08,232 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-03 08:53:08,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806517776] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:53:08,232 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:53:08,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2024-05-03 08:53:08,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170777146] [2024-05-03 08:53:08,233 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:53:08,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-05-03 08:53:08,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:53:08,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-05-03 08:53:08,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-05-03 08:53:08,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:53:08,236 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:53:08,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.11111111111111) internal successors, (136), 9 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 08:53:08,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:53:08,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:53:08,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:53:08,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-03 08:53:08,386 INFO L78 Accepts]: Start accepts. Automaton has currently 353 states, but on-demand construction may add more states Word has length 120 [2024-05-03 08:53:08,388 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:53:08,393 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-03 08:53:08,593 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,SelfDestructingSolverStorable1 [2024-05-03 08:53:08,593 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:53:08,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:53:08,594 INFO L85 PathProgramCache]: Analyzing trace with hash 522762587, now seen corresponding path program 2 times [2024-05-03 08:53:08,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:53:08,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294493049] [2024-05-03 08:53:08,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:53:08,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:53:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:53:08,895 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-03 08:53:08,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:53:08,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294493049] [2024-05-03 08:53:08,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294493049] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:53:08,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1804893948] [2024-05-03 08:53:08,896 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 08:53:08,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:53:08,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:53:08,897 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 08:53:08,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-03 08:53:09,013 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 08:53:09,013 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:53:09,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 6 conjunts are in the unsatisfiable core [2024-05-03 08:53:09,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:53:09,058 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-03 08:53:09,058 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:53:09,091 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-03 08:53:09,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1804893948] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:53:09,091 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:53:09,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2024-05-03 08:53:09,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065329757] [2024-05-03 08:53:09,092 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:53:09,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-05-03 08:53:09,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:53:09,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-05-03 08:53:09,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-05-03 08:53:09,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:53:09,093 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:53:09,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.11111111111111) internal successors, (136), 9 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 08:53:09,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:53:09,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-03 08:53:09,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:53:09,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:53:09,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-03 08:53:09,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-03 08:53:09,228 INFO L78 Accepts]: Start accepts. Automaton has currently 458 states, but on-demand construction may add more states Word has length 123 [2024-05-03 08:53:09,229 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:53:09,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-03 08:53:09,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:53:09,435 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:53:09,435 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:53:09,435 INFO L85 PathProgramCache]: Analyzing trace with hash 23878576, now seen corresponding path program 3 times [2024-05-03 08:53:09,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:53:09,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012023743] [2024-05-03 08:53:09,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:53:09,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:53:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:53:11,260 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:53:11,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:53:11,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012023743] [2024-05-03 08:53:11,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012023743] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:53:11,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [399587312] [2024-05-03 08:53:11,261 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 08:53:11,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:53:11,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:53:11,262 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 08:53:11,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-03 08:53:11,498 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-05-03 08:53:11,498 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:53:11,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 38 conjunts are in the unsatisfiable core [2024-05-03 08:53:11,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:53:15,781 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:53:15,781 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:53:44,728 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:53:44,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [399587312] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:53:44,728 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:53:44,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 25, 25] total 58 [2024-05-03 08:53:44,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639191842] [2024-05-03 08:53:44,730 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:53:44,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-05-03 08:53:44,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:53:44,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-05-03 08:53:44,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=524, Invalid=2779, Unknown=3, NotChecked=0, Total=3306 [2024-05-03 08:53:44,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:53:44,761 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:53:44,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 4.275862068965517) internal successors, (248), 58 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 08:53:44,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:53:44,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-03 08:53:44,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-03 08:53:44,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:54:59,914 WARN L293 SmtUtils]: Spent 39.44s on a formula simplification. DAG size of input: 255 DAG size of output: 245 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-03 08:55:01,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 08:55:02,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 08:55:05,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-03 08:55:07,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-03 08:55:08,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-03 08:55:11,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 08:55:13,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 08:55:15,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 08:55:17,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 08:55:20,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 08:55:22,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 08:55:24,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 08:56:12,394 WARN L293 SmtUtils]: Spent 18.88s on a formula simplification. DAG size of input: 158 DAG size of output: 152 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-03 08:57:16,123 WARN L293 SmtUtils]: Spent 37.09s on a formula simplification. DAG size of input: 178 DAG size of output: 173 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-03 08:57:18,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 08:58:19,248 WARN L293 SmtUtils]: Spent 40.48s on a formula simplification. DAG size of input: 160 DAG size of output: 157 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-03 08:58:21,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 08:58:22,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 08:58:24,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 08:59:04,111 WARN L293 SmtUtils]: Spent 30.93s on a formula simplification. DAG size of input: 259 DAG size of output: 244 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-03 08:59:06,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 08:59:08,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 08:59:11,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 08:59:12,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 09:00:00,487 WARN L293 SmtUtils]: Spent 18.08s on a formula simplification. DAG size of input: 220 DAG size of output: 220 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-03 09:00:02,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 09:00:05,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 09:00:08,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 09:00:20,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 09:00:58,610 WARN L293 SmtUtils]: Spent 12.00s on a formula simplification. DAG size of input: 145 DAG size of output: 145 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-03 09:01:26,682 WARN L293 SmtUtils]: Spent 23.08s on a formula simplification. DAG size of input: 141 DAG size of output: 141 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-03 09:01:28,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 09:01:30,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 09:01:32,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 09:01:34,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 09:01:36,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 09:01:36,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-03 09:01:36,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-03 09:01:36,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-03 09:01:36,283 INFO L78 Accepts]: Start accepts. Automaton has currently 521 states, but on-demand construction may add more states Word has length 126 [2024-05-03 09:01:36,284 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 09:01:36,314 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-05-03 09:01:36,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 09:01:36,485 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 09:01:36,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 09:01:36,485 INFO L85 PathProgramCache]: Analyzing trace with hash 2029136051, now seen corresponding path program 4 times [2024-05-03 09:01:36,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 09:01:36,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433908583] [2024-05-03 09:01:36,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 09:01:36,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 09:01:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 09:01:37,352 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 12 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-03 09:01:37,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 09:01:37,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433908583] [2024-05-03 09:01:37,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433908583] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 09:01:37,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [123171029] [2024-05-03 09:01:37,353 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-03 09:01:37,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 09:01:37,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 09:01:37,364 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 09:01:37,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-03 09:01:37,465 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-03 09:01:37,465 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 09:01:37,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 21 conjunts are in the unsatisfiable core [2024-05-03 09:01:37,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 09:01:37,916 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-05-03 09:01:37,917 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 09:01:38,327 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-05-03 09:01:38,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [123171029] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 09:01:38,328 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 09:01:38,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 38 [2024-05-03 09:01:38,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309730490] [2024-05-03 09:01:38,328 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 09:01:38,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-05-03 09:01:38,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 09:01:38,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-05-03 09:01:38,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=282, Invalid=1124, Unknown=0, NotChecked=0, Total=1406 [2024-05-03 09:01:38,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 09:01:38,330 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 09:01:38,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 6.7105263157894735) internal successors, (255), 38 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 09:01:38,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 09:01:38,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-03 09:01:38,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-03 09:01:38,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-03 09:01:38,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 09:01:41,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 09:01:41,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-03 09:01:41,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-03 09:01:41,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-03 09:01:41,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-03 09:01:41,734 INFO L78 Accepts]: Start accepts. Automaton has currently 573 states, but on-demand construction may add more states Word has length 144 [2024-05-03 09:01:41,735 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 09:01:41,739 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-05-03 09:01:41,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 09:01:41,935 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 09:01:41,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 09:01:41,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1424845859, now seen corresponding path program 5 times [2024-05-03 09:01:41,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 09:01:41,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404712363] [2024-05-03 09:01:41,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 09:01:41,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 09:01:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 09:01:42,239 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-05-03 09:01:42,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 09:01:42,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404712363] [2024-05-03 09:01:42,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404712363] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 09:01:42,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 09:01:42,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-05-03 09:01:42,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703509274] [2024-05-03 09:01:42,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 09:01:42,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-03 09:01:42,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 09:01:42,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-03 09:01:42,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-05-03 09:01:42,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 09:01:42,241 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 09:01:42,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 09:01:42,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 09:01:42,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-03 09:01:42,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-03 09:01:42,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-03 09:01:42,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-03 09:01:42,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 09:01:43,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 09:01:46,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 09:01:48,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 09:01:50,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-03 09:02:56,800 WARN L293 SmtUtils]: Spent 49.85s on a formula simplification. DAG size of input: 246 DAG size of output: 246 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-03 09:03:43,040 WARN L293 SmtUtils]: Spent 38.20s on a formula simplification. DAG size of input: 242 DAG size of output: 242 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-03 09:03:44,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 09:03:47,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 09:03:49,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 09:03:50,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 09:03:51,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-05-03 09:03:51,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 09:03:51,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-03 09:03:51,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-03 09:03:51,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-03 09:03:51,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-03 09:03:51,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 09:03:51,738 INFO L78 Accepts]: Start accepts. Automaton has currently 307 states, but on-demand construction may add more states Word has length 141 [2024-05-03 09:03:51,739 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 09:03:51,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-05-03 09:03:51,739 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 09:03:51,739 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 09:03:51,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1335807606, now seen corresponding path program 1 times [2024-05-03 09:03:51,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 09:03:51,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095018932] [2024-05-03 09:03:51,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 09:03:51,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 09:03:51,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 09:03:53,013 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 32 proven. 70 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-05-03 09:03:53,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 09:03:53,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095018932] [2024-05-03 09:03:53,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095018932] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 09:03:53,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407227033] [2024-05-03 09:03:53,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 09:03:53,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 09:03:53,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 09:03:53,024 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 09:03:53,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-03 09:03:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 09:03:53,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 42 conjunts are in the unsatisfiable core [2024-05-03 09:03:53,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 09:03:54,217 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 37 proven. 65 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-05-03 09:03:54,218 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 09:03:55,588 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 40 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 09:03:55,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407227033] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 09:03:55,589 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 09:03:55,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 22, 29] total 74 [2024-05-03 09:03:55,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77362197] [2024-05-03 09:03:55,589 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 09:03:55,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2024-05-03 09:03:55,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 09:03:55,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2024-05-03 09:03:55,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=776, Invalid=4626, Unknown=0, NotChecked=0, Total=5402 [2024-05-03 09:03:55,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 09:03:55,592 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 09:03:55,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 4.121621621621622) internal successors, (305), 74 states have internal predecessors, (305), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 09:03:55,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 09:03:55,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-03 09:03:55,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-03 09:03:55,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-03 09:03:55,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-03 09:03:55,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 09:03:55,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 09:04:00,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 09:04:00,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-03 09:04:00,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-03 09:04:00,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-03 09:04:00,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-03 09:04:00,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 09:04:00,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-05-03 09:04:00,419 INFO L78 Accepts]: Start accepts. Automaton has currently 352 states, but on-demand construction may add more states Word has length 156 [2024-05-03 09:04:00,419 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 09:04:00,425 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-03 09:04:00,619 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 [2024-05-03 09:04:00,620 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 09:04:00,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 09:04:00,620 INFO L85 PathProgramCache]: Analyzing trace with hash 580281757, now seen corresponding path program 6 times [2024-05-03 09:04:00,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 09:04:00,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377445818] [2024-05-03 09:04:00,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 09:04:00,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 09:04:00,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 09:04:00,783 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-05-03 09:04:00,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 09:04:00,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377445818] [2024-05-03 09:04:00,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377445818] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 09:04:00,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 09:04:00,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-05-03 09:04:00,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113929277] [2024-05-03 09:04:00,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 09:04:00,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-03 09:04:00,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 09:04:00,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-03 09:04:00,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-05-03 09:04:00,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 09:04:00,786 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 09:04:00,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 09:04:00,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 09:04:00,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-03 09:04:00,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-03 09:04:00,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-03 09:04:00,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-03 09:04:00,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 09:04:00,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-05-03 09:04:00,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 09:04:01,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 09:04:01,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-03 09:04:01,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-03 09:04:01,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-05-03 09:04:01,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-05-03 09:04:01,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 09:04:01,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-05-03 09:04:01,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 09:04:01,689 INFO L78 Accepts]: Start accepts. Automaton has currently 347 states, but on-demand construction may add more states Word has length 153 [2024-05-03 09:04:01,690 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 09:04:01,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-05-03 09:04:01,690 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 09:04:01,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 09:04:01,690 INFO L85 PathProgramCache]: Analyzing trace with hash 997965454, now seen corresponding path program 7 times [2024-05-03 09:04:01,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 09:04:01,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626160431] [2024-05-03 09:04:01,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 09:04:01,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 09:04:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 09:04:03,127 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 73 proven. 94 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-03 09:04:03,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 09:04:03,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626160431] [2024-05-03 09:04:03,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626160431] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 09:04:03,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244458935] [2024-05-03 09:04:03,128 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-03 09:04:03,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 09:04:03,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 09:04:03,144 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 09:04:03,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-03 09:04:03,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 09:04:03,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 29 conjunts are in the unsatisfiable core [2024-05-03 09:04:03,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 09:04:04,863 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 38 proven. 128 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-03 09:04:04,864 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 09:04:05,570 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 89 proven. 77 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-03 09:04:05,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1244458935] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 09:04:05,570 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 09:04:05,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 24, 25] total 67 [2024-05-03 09:04:05,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454576683] [2024-05-03 09:04:05,571 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 09:04:05,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2024-05-03 09:04:05,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 09:04:05,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2024-05-03 09:04:05,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=758, Invalid=3664, Unknown=0, NotChecked=0, Total=4422 [2024-05-03 09:04:05,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 09:04:05,582 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 09:04:05,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 4.865671641791045) internal successors, (326), 67 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 09:04:05,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 09:04:05,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-03 09:04:05,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-03 09:04:05,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-05-03 09:04:05,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-05-03 09:04:05,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 09:04:05,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-05-03 09:04:05,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 09:04:05,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 09:04:07,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 09:04:12,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 09:04:16,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 09:04:20,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 09:04:20,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-03 09:04:20,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-03 09:04:20,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-05-03 09:04:20,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-05-03 09:04:20,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 09:04:20,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-05-03 09:04:20,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 09:04:20,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-03 09:04:20,004 INFO L78 Accepts]: Start accepts. Automaton has currently 399 states, but on-demand construction may add more states Word has length 165 [2024-05-03 09:04:20,005 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 09:04:20,010 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-05-03 09:04:20,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-05-03 09:04:20,210 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 09:04:20,210 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 09:04:20,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1224108594, now seen corresponding path program 8 times [2024-05-03 09:04:20,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 09:04:20,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674860007] [2024-05-03 09:04:20,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 09:04:20,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 09:04:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 09:04:25,274 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 15 proven. 259 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 09:04:25,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 09:04:25,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674860007] [2024-05-03 09:04:25,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674860007] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 09:04:25,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [725473887] [2024-05-03 09:04:25,275 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 09:04:25,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 09:04:25,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 09:04:25,276 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 09:04:25,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-03 09:04:25,460 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 09:04:25,460 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 09:04:25,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 62 conjunts are in the unsatisfiable core [2024-05-03 09:04:25,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 09:04:29,725 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 274 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 09:04:29,725 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 09:04:57,699 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 0 proven. 274 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 09:04:57,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [725473887] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 09:04:57,699 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 09:04:57,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 43, 41] total 125 [2024-05-03 09:04:57,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131173894] [2024-05-03 09:04:57,701 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 09:04:57,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 125 states [2024-05-03 09:04:57,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 09:04:57,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2024-05-03 09:04:57,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2282, Invalid=13218, Unknown=0, NotChecked=0, Total=15500 [2024-05-03 09:04:57,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 09:04:57,706 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 09:04:57,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 125 states, 125 states have (on average 2.96) internal successors, (370), 125 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 09:04:57,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 09:04:57,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-03 09:04:57,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-03 09:04:57,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-05-03 09:04:57,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-05-03 09:04:57,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 09:04:57,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-05-03 09:04:57,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 09:04:57,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-03 09:04:57,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 09:05:11,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 09:05:21,844 WARN L293 SmtUtils]: Spent 5.62s on a formula simplification. DAG size of input: 142 DAG size of output: 113 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-03 09:05:23,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 09:05:31,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 09:05:50,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-03 09:06:13,187 WARN L539 Checker$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... [2024-05-03 09:07:29,859 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-03 09:07:29,879 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-03 09:07:29,880 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-03 09:07:30,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-03 09:07:30,867 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 [2024-05-03 09:07:30,908 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2024-05-03 09:07:31,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 09:07:31,002 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-32-3-3-3-2-2-2-2-2-2-1 term,while SimplifyDDA2 was simplifying 2 xjuncts wrt. a ∨-2-1 context. [2024-05-03 09:07:31,004 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-03 09:07:31,008 INFO L445 BasicCegarLoop]: Path program histogram: [8, 1, 1] [2024-05-03 09:07:31,008 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/5) [2024-05-03 09:07:31,010 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-03 09:07:31,010 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-03 09:07:31,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 09:07:31 BasicIcfg [2024-05-03 09:07:31,016 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-03 09:07:31,016 INFO L158 Benchmark]: Toolchain (without parser) took 865848.70ms. Allocated memory was 186.6MB in the beginning and 739.2MB in the end (delta: 552.6MB). Free memory was 112.9MB in the beginning and 381.5MB in the end (delta: -268.6MB). Peak memory consumption was 285.7MB. Max. memory is 8.0GB. [2024-05-03 09:07:31,016 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 186.6MB. Free memory is still 120.2MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-03 09:07:31,017 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.51ms. Allocated memory is still 186.6MB. Free memory was 112.7MB in the beginning and 100.7MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-05-03 09:07:31,017 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.66ms. Allocated memory is still 186.6MB. Free memory was 100.5MB in the beginning and 98.8MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-03 09:07:31,017 INFO L158 Benchmark]: Boogie Preprocessor took 30.25ms. Allocated memory is still 186.6MB. Free memory was 98.8MB in the beginning and 97.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-03 09:07:31,017 INFO L158 Benchmark]: RCFGBuilder took 426.89ms. Allocated memory is still 186.6MB. Free memory was 97.3MB in the beginning and 75.4MB in the end (delta: 21.8MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2024-05-03 09:07:31,017 INFO L158 Benchmark]: TraceAbstraction took 865087.68ms. Allocated memory was 186.6MB in the beginning and 739.2MB in the end (delta: 552.6MB). Free memory was 74.2MB in the beginning and 381.5MB in the end (delta: -307.3MB). Peak memory consumption was 246.9MB. Max. memory is 8.0GB. [2024-05-03 09:07:31,018 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 186.6MB. Free memory is still 120.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 253.51ms. Allocated memory is still 186.6MB. Free memory was 112.7MB in the beginning and 100.7MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 44.66ms. Allocated memory is still 186.6MB. Free memory was 100.5MB in the beginning and 98.8MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.25ms. Allocated memory is still 186.6MB. Free memory was 98.8MB in the beginning and 97.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 426.89ms. Allocated memory is still 186.6MB. Free memory was 97.3MB in the beginning and 75.4MB in the end (delta: 21.8MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * TraceAbstraction took 865087.68ms. Allocated memory was 186.6MB in the beginning and 739.2MB in the end (delta: 552.6MB). Free memory was 74.2MB in the beginning and 381.5MB in the end (delta: -307.3MB). Peak memory consumption was 246.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7463, independent: 6727, independent conditional: 6727, independent unconditional: 0, dependent: 721, dependent conditional: 721, dependent unconditional: 0, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6940, independent: 6727, independent conditional: 6727, independent unconditional: 0, dependent: 198, dependent conditional: 198, dependent unconditional: 0, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6940, independent: 6727, independent conditional: 6727, independent unconditional: 0, dependent: 198, dependent conditional: 198, dependent unconditional: 0, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7985, independent: 6727, independent conditional: 31, independent unconditional: 6696, dependent: 1238, dependent conditional: 994, dependent unconditional: 244, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7985, independent: 6727, independent conditional: 31, independent unconditional: 6696, dependent: 1238, dependent conditional: 370, dependent unconditional: 868, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7985, independent: 6727, independent conditional: 31, independent unconditional: 6696, dependent: 1238, dependent conditional: 370, dependent unconditional: 868, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 324, independent: 248, independent conditional: 13, independent unconditional: 235, dependent: 71, dependent conditional: 63, dependent unconditional: 8, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 324, independent: 235, independent conditional: 0, independent unconditional: 235, dependent: 89, dependent conditional: 0, dependent unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 89, independent: 13, independent conditional: 13, independent unconditional: 0, dependent: 71, dependent conditional: 63, dependent unconditional: 8, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, independent: 13, independent conditional: 13, independent unconditional: 0, dependent: 71, dependent conditional: 63, dependent unconditional: 8, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5385, independent: 21, independent conditional: 21, independent unconditional: 0, dependent: 1223, dependent conditional: 474, dependent unconditional: 749, unknown: 4141, unknown conditional: 4141, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7985, independent: 6479, independent conditional: 18, independent unconditional: 6461, dependent: 1167, dependent conditional: 307, dependent unconditional: 860, unknown: 339, unknown conditional: 96, unknown unconditional: 243] , Statistics on independence cache: Total cache size (in pairs): 319, Positive cache size: 248, Positive conditional cache size: 13, Positive unconditional cache size: 235, Negative cache size: 71, Negative conditional cache size: 63, Negative unconditional cache size: 8, Unknown cache size: 5, Unknown conditional cache size: 5, Unknown unconditional cache size: 0, Eliminated conditions: 624, Maximal queried relation: 10, Independence queries for same thread: 523 - StatisticsResult: Visitor Statistics States: 234, Transitions: 319, Traversal time: 0.9s - StatisticsResult: Visitor Statistics States: 234, Transitions: 291, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 237, Transitions: 294, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 340, Transitions: 427, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 375, Transitions: 466, Traversal time: 471.5s - StatisticsResult: Visitor Statistics States: 410, Transitions: 490, Traversal time: 3.4s - StatisticsResult: Visitor Statistics States: 146, Transitions: 150, Traversal time: 129.5s - StatisticsResult: Visitor Statistics States: 161, Transitions: 168, Traversal time: 4.8s - StatisticsResult: Visitor Statistics States: 157, Transitions: 163, Traversal time: 0.9s - StatisticsResult: Visitor Statistics States: 169, Transitions: 175, Traversal time: 14.4s - StatisticsResult: Visitor Statistics States: 99, Transitions: 98, Traversal time: 153.1s - TimeoutResultAtElement [Line: 139]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-32-3-3-3-2-2-2-2-2-2-1 term,while SimplifyDDA2 was simplifying 2 xjuncts wrt. a ∨-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 9 procedures, 159 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 864.9s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 778.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 374, 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, 1.0s SatisfiabilityAnalysisTime, 82.5s InterpolantComputationTime, 2309 NumberOfCodeBlocks, 2309 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 3230 ConstructedInterpolants, 66 QuantifiedInterpolants, 57099 SizeOfPredicates, 108 NumberOfNonLiveVariables, 2170 ConjunctsInSsa, 204 ConjunctsInUnsatCore, 24 InterpolantComputations, 3 PerfectInterpolantSequences, 784/2224 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