/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/popl20-nonblocking-cntr-alt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-e23131f-m [2024-05-03 08:38:27,431 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-03 08:38:27,477 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-03 08:38:27,481 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-03 08:38:27,481 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-03 08:38:27,498 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-03 08:38:27,499 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-03 08:38:27,499 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-03 08:38:27,499 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-03 08:38:27,500 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-03 08:38:27,500 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-03 08:38:27,500 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-03 08:38:27,501 INFO L153 SettingsManager]: * Use SBE=true [2024-05-03 08:38:27,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-03 08:38:27,501 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-03 08:38:27,502 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-03 08:38:27,502 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-03 08:38:27,502 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-03 08:38:27,502 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-03 08:38:27,503 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-03 08:38:27,503 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-03 08:38:27,504 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-03 08:38:27,504 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-03 08:38:27,504 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-03 08:38:27,505 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-03 08:38:27,505 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-03 08:38:27,505 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-03 08:38:27,506 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-03 08:38:27,506 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-03 08:38:27,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 08:38:27,506 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-03 08:38:27,507 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-03 08:38:27,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-03 08:38:27,507 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-03 08:38:27,507 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-03 08:38:27,508 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-03 08:38:27,508 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-03 08:38:27,508 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-03 08:38:27,508 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-03 08:38:27,509 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-03 08:38:27,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-03 08:38:27,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-03 08:38:27,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-03 08:38:27,760 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-03 08:38:27,761 INFO L274 PluginConnector]: CDTParser initialized [2024-05-03 08:38:27,762 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-nonblocking-cntr-alt.wvr.c [2024-05-03 08:38:28,851 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-03 08:38:29,070 INFO L384 CDTParser]: Found 1 translation units. [2024-05-03 08:38:29,071 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-nonblocking-cntr-alt.wvr.c [2024-05-03 08:38:29,083 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/32ae34f54/b2bafae5f3e444d4a458b3440d944e01/FLAG7778d4ccb [2024-05-03 08:38:29,101 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/32ae34f54/b2bafae5f3e444d4a458b3440d944e01 [2024-05-03 08:38:29,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-03 08:38:29,108 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-03 08:38:29,109 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-03 08:38:29,109 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-03 08:38:29,114 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-03 08:38:29,114 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 08:38:29" (1/1) ... [2024-05-03 08:38:29,115 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2663430b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:38:29, skipping insertion in model container [2024-05-03 08:38:29,115 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 08:38:29" (1/1) ... [2024-05-03 08:38:29,136 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-03 08:38:29,304 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-nonblocking-cntr-alt.wvr.c[2098,2111] [2024-05-03 08:38:29,307 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 08:38:29,313 INFO L202 MainTranslator]: Completed pre-run [2024-05-03 08:38:29,328 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-nonblocking-cntr-alt.wvr.c[2098,2111] [2024-05-03 08:38:29,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 08:38:29,342 INFO L206 MainTranslator]: Completed translation [2024-05-03 08:38:29,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:38:29 WrapperNode [2024-05-03 08:38:29,343 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-03 08:38:29,343 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-03 08:38:29,344 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-03 08:38:29,344 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-03 08:38:29,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:38:29" (1/1) ... [2024-05-03 08:38:29,356 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:38:29" (1/1) ... [2024-05-03 08:38:29,370 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2024-05-03 08:38:29,371 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-03 08:38:29,371 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-03 08:38:29,371 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-03 08:38:29,372 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-03 08:38:29,379 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:38:29" (1/1) ... [2024-05-03 08:38:29,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:38:29" (1/1) ... [2024-05-03 08:38:29,381 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:38:29" (1/1) ... [2024-05-03 08:38:29,381 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:38:29" (1/1) ... [2024-05-03 08:38:29,385 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:38:29" (1/1) ... [2024-05-03 08:38:29,388 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:38:29" (1/1) ... [2024-05-03 08:38:29,389 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:38:29" (1/1) ... [2024-05-03 08:38:29,390 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:38:29" (1/1) ... [2024-05-03 08:38:29,392 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-03 08:38:29,392 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-03 08:38:29,393 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-03 08:38:29,393 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-03 08:38:29,393 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:38:29" (1/1) ... [2024-05-03 08:38:29,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 08:38:29,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:38:29,425 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 08:38:29,448 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 08:38:29,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-03 08:38:29,481 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-03 08:38:29,481 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-03 08:38:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-03 08:38:29,482 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-03 08:38:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-03 08:38:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-03 08:38:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-03 08:38:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-03 08:38:29,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-03 08:38:29,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-03 08:38:29,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-03 08:38:29,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-03 08:38:29,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-03 08:38:29,486 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 08:38:29,558 INFO L241 CfgBuilder]: Building ICFG [2024-05-03 08:38:29,560 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-03 08:38:29,690 INFO L282 CfgBuilder]: Performing block encoding [2024-05-03 08:38:29,733 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-03 08:38:29,733 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-05-03 08:38:29,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 08:38:29 BoogieIcfgContainer [2024-05-03 08:38:29,734 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-03 08:38:29,736 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-03 08:38:29,736 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-03 08:38:29,739 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-03 08:38:29,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.05 08:38:29" (1/3) ... [2024-05-03 08:38:29,740 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5071760d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 08:38:29, skipping insertion in model container [2024-05-03 08:38:29,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:38:29" (2/3) ... [2024-05-03 08:38:29,740 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5071760d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 08:38:29, skipping insertion in model container [2024-05-03 08:38:29,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 08:38:29" (3/3) ... [2024-05-03 08:38:29,741 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-nonblocking-cntr-alt.wvr.c [2024-05-03 08:38:29,749 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-03 08:38:29,758 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-03 08:38:29,758 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-03 08:38:29,758 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-03 08:38:29,826 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-03 08:38:29,860 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 08:38:29,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 08:38:29,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:38:29,863 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 08:38:29,865 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 08:38:29,894 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 08:38:29,901 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-03 08:38:29,906 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;@1d7091aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 08:38:29,907 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-03 08:38:29,991 INFO L78 Accepts]: Start accepts. Automaton has currently 115 states, but on-demand construction may add more states Word has length 70 [2024-05-03 08:38:29,992 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:38:29,992 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:38:29,996 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:38:29,997 INFO L85 PathProgramCache]: Analyzing trace with hash 848573078, now seen corresponding path program 1 times [2024-05-03 08:38:30,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:38:30,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149389282] [2024-05-03 08:38:30,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:38:30,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:38:30,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:38:30,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-03 08:38:30,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:38:30,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149389282] [2024-05-03 08:38:30,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149389282] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 08:38:30,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 08:38:30,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-03 08:38:30,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732764771] [2024-05-03 08:38:30,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 08:38:30,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-03 08:38:30,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:38:30,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-03 08:38:30,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-03 08:38:30,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:38:30,341 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:38:30,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 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 08:38:30,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:38:30,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:38:30,400 INFO L78 Accepts]: Start accepts. Automaton has currently 115 states, but on-demand construction may add more states Word has length 68 [2024-05-03 08:38:30,401 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:38:30,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-03 08:38:30,401 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:38:30,402 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:38:30,402 INFO L85 PathProgramCache]: Analyzing trace with hash -727544314, now seen corresponding path program 1 times [2024-05-03 08:38:30,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:38:30,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393898403] [2024-05-03 08:38:30,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:38:30,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:38:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:38:30,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:38:30,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:38:30,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393898403] [2024-05-03 08:38:30,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393898403] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:38:30,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004966865] [2024-05-03 08:38:30,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:38:30,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:38:30,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:38:30,774 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 08:38:30,787 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 08:38:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:38:30,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 4 conjunts are in the unsatisfiable core [2024-05-03 08:38:30,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:38:31,013 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:38:31,014 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:38:31,223 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:38:31,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1004966865] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:38:31,224 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:38:31,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-05-03 08:38:31,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48079636] [2024-05-03 08:38:31,225 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:38:31,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-03 08:38:31,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:38:31,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-03 08:38:31,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-05-03 08:38:31,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:38:31,230 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:38:31,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.375) internal successors, (107), 8 states have internal predecessors, (107), 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 08:38:31,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:38:31,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:38:31,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:38:31,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 08:38:31,308 INFO L78 Accepts]: Start accepts. Automaton has currently 114 states, but on-demand construction may add more states Word has length 73 [2024-05-03 08:38:31,309 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:38:31,320 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 08:38:31,514 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 08:38:31,515 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:38:31,515 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:38:31,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1861336615, now seen corresponding path program 2 times [2024-05-03 08:38:31,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:38:31,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242148946] [2024-05-03 08:38:31,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:38:31,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:38:31,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:38:32,187 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:38:32,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:38:32,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242148946] [2024-05-03 08:38:32,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242148946] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:38:32,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [358690250] [2024-05-03 08:38:32,188 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 08:38:32,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:38:32,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:38:32,190 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 08:38:32,195 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 08:38:32,269 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 08:38:32,269 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:38:32,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 26 conjunts are in the unsatisfiable core [2024-05-03 08:38:32,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:38:32,710 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:38:32,711 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:38:33,349 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:38:33,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [358690250] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:38:33,349 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:38:33,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 41 [2024-05-03 08:38:33,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046911760] [2024-05-03 08:38:33,350 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:38:33,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-05-03 08:38:33,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:38:33,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-05-03 08:38:33,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=1409, Unknown=0, NotChecked=0, Total=1640 [2024-05-03 08:38:33,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:38:33,353 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:38:33,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 3.658536585365854) internal successors, (150), 41 states have internal predecessors, (150), 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 08:38:33,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:38:33,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 08:38:33,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:38:33,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:38:33,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 08:38:33,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:38:33,860 INFO L78 Accepts]: Start accepts. Automaton has currently 140 states, but on-demand construction may add more states Word has length 83 [2024-05-03 08:38:33,860 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:38:33,866 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 08:38:34,061 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 08:38:34,061 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:38:34,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:38:34,062 INFO L85 PathProgramCache]: Analyzing trace with hash -818920967, now seen corresponding path program 3 times [2024-05-03 08:38:34,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:38:34,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519894289] [2024-05-03 08:38:34,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:38:34,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:38:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:38:34,674 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 9 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:38:34,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:38:34,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519894289] [2024-05-03 08:38:34,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519894289] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:38:34,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759522309] [2024-05-03 08:38:34,675 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 08:38:34,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:38:34,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:38:34,676 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 08:38:34,703 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 08:38:34,763 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-05-03 08:38:34,764 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:38:34,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 38 conjunts are in the unsatisfiable core [2024-05-03 08:38:34,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:38:35,388 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:38:35,389 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:38:36,269 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:38:36,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [759522309] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:38:36,270 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:38:36,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 59 [2024-05-03 08:38:36,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614899592] [2024-05-03 08:38:36,270 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:38:36,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2024-05-03 08:38:36,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:38:36,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2024-05-03 08:38:36,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=353, Invalid=3069, Unknown=0, NotChecked=0, Total=3422 [2024-05-03 08:38:36,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:38:36,273 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:38:36,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 3.0508474576271185) internal successors, (180), 59 states have internal predecessors, (180), 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 08:38:36,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:38:36,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 08:38:36,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:38:36,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:38:37,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:38:37,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 08:38:37,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:38:37,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 08:38:37,374 INFO L78 Accepts]: Start accepts. Automaton has currently 169 states, but on-demand construction may add more states Word has length 95 [2024-05-03 08:38:37,375 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:38:37,385 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-03 08:38:37,576 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 08:38:37,576 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:38:37,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:38:37,577 INFO L85 PathProgramCache]: Analyzing trace with hash -919505442, now seen corresponding path program 4 times [2024-05-03 08:38:37,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:38:37,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190811118] [2024-05-03 08:38:37,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:38:37,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:38:37,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:38:38,406 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 21 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:38:38,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:38:38,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190811118] [2024-05-03 08:38:38,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190811118] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:38:38,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125788585] [2024-05-03 08:38:38,407 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-03 08:38:38,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:38:38,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:38:38,409 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 08:38:38,435 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 08:38:38,477 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-03 08:38:38,477 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:38:38,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 51 conjunts are in the unsatisfiable core [2024-05-03 08:38:38,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:38:39,367 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:38:39,367 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:38:40,446 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 1 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:38:40,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1125788585] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:38:40,446 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:38:40,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 31, 30] total 77 [2024-05-03 08:38:40,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111153170] [2024-05-03 08:38:40,447 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:38:40,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2024-05-03 08:38:40,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:38:40,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2024-05-03 08:38:40,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=486, Invalid=5366, Unknown=0, NotChecked=0, Total=5852 [2024-05-03 08:38:40,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:38:40,451 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:38:40,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 2.7142857142857144) internal successors, (209), 77 states have internal predecessors, (209), 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 08:38:40,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:38:40,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 08:38:40,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:38:40,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 08:38:40,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:38:42,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:38:42,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 08:38:42,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:38:42,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 08:38:42,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-05-03 08:38:42,272 INFO L78 Accepts]: Start accepts. Automaton has currently 182 states, but on-demand construction may add more states Word has length 102 [2024-05-03 08:38:42,273 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:38:42,284 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-03 08:38:42,475 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 08:38:42,476 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:38:42,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:38:42,476 INFO L85 PathProgramCache]: Analyzing trace with hash 334926510, now seen corresponding path program 5 times [2024-05-03 08:38:42,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:38:42,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501476797] [2024-05-03 08:38:42,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:38:42,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:38:42,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:38:43,326 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 38 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:38:43,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:38:43,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501476797] [2024-05-03 08:38:43,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501476797] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:38:43,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112446662] [2024-05-03 08:38:43,327 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-03 08:38:43,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:38:43,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:38:43,329 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 08:38:43,335 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 08:38:43,404 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-05-03 08:38:43,404 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:38:43,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 58 conjunts are in the unsatisfiable core [2024-05-03 08:38:43,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:38:44,393 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:38:44,393 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:38:45,761 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-03 08:38:45,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112446662] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:38:45,761 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:38:45,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 35, 33] total 89 [2024-05-03 08:38:45,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047627148] [2024-05-03 08:38:45,762 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:38:45,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2024-05-03 08:38:45,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:38:45,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2024-05-03 08:38:45,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=557, Invalid=7275, Unknown=0, NotChecked=0, Total=7832 [2024-05-03 08:38:45,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:38:45,767 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:38:45,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 89 states have (on average 2.640449438202247) internal successors, (235), 89 states have internal predecessors, (235), 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 08:38:45,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:38:45,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 08:38:45,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:38:45,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 08:38:45,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-05-03 08:38:45,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:38:47,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:38:47,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 08:38:47,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:38:47,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 08:38:47,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-05-03 08:38:47,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-05-03 08:38:47,941 INFO L78 Accepts]: Start accepts. Automaton has currently 216 states, but on-demand construction may add more states Word has length 116 [2024-05-03 08:38:47,942 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:38:47,951 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 08:38:48,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:38:48,143 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:38:48,143 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:38:48,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1538621536, now seen corresponding path program 6 times [2024-05-03 08:38:48,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:38:48,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294197443] [2024-05-03 08:38:48,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:38:48,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:38:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:38:49,342 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 65 proven. 149 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:38:49,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:38:49,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294197443] [2024-05-03 08:38:49,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294197443] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:38:49,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713098146] [2024-05-03 08:38:49,343 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-03 08:38:49,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:38:49,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:38:49,344 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 08:38:49,346 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 08:38:49,416 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2024-05-03 08:38:49,416 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:38:49,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 72 conjunts are in the unsatisfiable core [2024-05-03 08:38:49,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:38:50,765 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 214 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:38:50,765 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:38:52,686 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 202 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-05-03 08:38:52,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713098146] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:38:52,687 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:38:52,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 43, 39] total 110 [2024-05-03 08:38:52,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169257828] [2024-05-03 08:38:52,687 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:38:52,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 110 states [2024-05-03 08:38:52,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:38:52,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2024-05-03 08:38:52,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=782, Invalid=11208, Unknown=0, NotChecked=0, Total=11990 [2024-05-03 08:38:52,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:38:52,693 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:38:52,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 110 states, 110 states have (on average 2.481818181818182) internal successors, (273), 110 states have internal predecessors, (273), 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 08:38:52,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:38:52,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 08:38:52,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:38:52,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 08:38:52,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-05-03 08:38:52,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-05-03 08:38:52,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:38:55,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:38:55,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 08:38:55,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:38:55,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 08:38:55,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-05-03 08:38:55,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-05-03 08:38:55,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:38:55,694 INFO L78 Accepts]: Start accepts. Automaton has currently 249 states, but on-demand construction may add more states Word has length 130 [2024-05-03 08:38:55,695 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:38:55,705 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-03 08:38:55,901 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,SelfDestructingSolverStorable6 [2024-05-03 08:38:55,901 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:38:55,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:38:55,902 INFO L85 PathProgramCache]: Analyzing trace with hash -2139017734, now seen corresponding path program 7 times [2024-05-03 08:38:55,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:38:55,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9759023] [2024-05-03 08:38:55,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:38:55,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:38:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:38:57,480 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 102 proven. 233 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:38:57,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:38:57,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9759023] [2024-05-03 08:38:57,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9759023] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:38:57,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127766219] [2024-05-03 08:38:57,481 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-03 08:38:57,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:38:57,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:38:57,482 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 08:38:57,483 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 08:38:57,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:38:57,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 86 conjunts are in the unsatisfiable core [2024-05-03 08:38:57,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:38:59,426 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:38:59,426 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:39:02,006 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 305 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-05-03 08:39:02,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [127766219] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:39:02,007 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:39:02,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 51, 45] total 131 [2024-05-03 08:39:02,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627319535] [2024-05-03 08:39:02,007 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:39:02,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 131 states [2024-05-03 08:39:02,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:39:02,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2024-05-03 08:39:02,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1062, Invalid=15968, Unknown=0, NotChecked=0, Total=17030 [2024-05-03 08:39:02,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:39:02,014 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:39:02,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 131 states, 131 states have (on average 2.3740458015267176) internal successors, (311), 131 states have internal predecessors, (311), 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 08:39:02,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:39:02,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 08:39:02,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:39:02,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 08:39:02,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-05-03 08:39:02,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-05-03 08:39:02,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:39:02,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:39:05,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:39:05,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 08:39:05,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:39:05,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 08:39:05,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-05-03 08:39:05,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-05-03 08:39:05,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:39:05,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2024-05-03 08:39:05,624 INFO L78 Accepts]: Start accepts. Automaton has currently 282 states, but on-demand construction may add more states Word has length 144 [2024-05-03 08:39:05,625 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:39:05,630 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-05-03 08:39:05,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:39:05,826 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:39:05,826 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:39:05,826 INFO L85 PathProgramCache]: Analyzing trace with hash 2048414868, now seen corresponding path program 8 times [2024-05-03 08:39:05,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:39:05,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827735580] [2024-05-03 08:39:05,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:39:05,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:39:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:39:07,775 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 149 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:39:07,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:39:07,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827735580] [2024-05-03 08:39:07,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827735580] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:39:07,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910252213] [2024-05-03 08:39:07,776 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 08:39:07,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:39:07,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:39:07,779 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 08:39:07,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-03 08:39:07,845 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 08:39:07,845 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:39:07,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 100 conjunts are in the unsatisfiable core [2024-05-03 08:39:07,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:39:10,169 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:39:10,170 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:39:13,426 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 428 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-05-03 08:39:13,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [910252213] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:39:13,427 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:39:13,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 59, 51] total 152 [2024-05-03 08:39:13,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814683315] [2024-05-03 08:39:13,427 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:39:13,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 152 states [2024-05-03 08:39:13,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:39:13,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 152 interpolants. [2024-05-03 08:39:13,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1403, Invalid=21549, Unknown=0, NotChecked=0, Total=22952 [2024-05-03 08:39:13,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:39:13,435 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:39:13,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 152 states, 152 states have (on average 2.2960526315789473) internal successors, (349), 152 states have internal predecessors, (349), 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 08:39:13,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:39:13,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 08:39:13,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:39:13,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 08:39:13,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-05-03 08:39:13,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-05-03 08:39:13,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:39:13,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2024-05-03 08:39:13,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:39:19,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:39:19,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 08:39:19,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:39:19,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 08:39:19,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-03 08:39:19,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-05-03 08:39:19,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:39:19,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2024-05-03 08:39:19,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2024-05-03 08:39:19,413 INFO L78 Accepts]: Start accepts. Automaton has currently 395 states, but on-demand construction may add more states Word has length 186 [2024-05-03 08:39:19,414 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:39:19,419 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-05-03 08:39:19,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:39:19,615 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:39:19,615 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:39:19,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1942002834, now seen corresponding path program 9 times [2024-05-03 08:39:19,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:39:19,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983242032] [2024-05-03 08:39:19,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:39:19,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:39:19,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:39:20,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1099 backedges. 0 proven. 1014 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-05-03 08:39:20,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:39:20,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983242032] [2024-05-03 08:39:20,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983242032] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:39:20,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795375374] [2024-05-03 08:39:20,496 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 08:39:20,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:39:20,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:39:20,498 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 08:39:20,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-03 08:39:20,626 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) [2024-05-03 08:39:20,626 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:39:20,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 72 conjunts are in the unsatisfiable core [2024-05-03 08:39:20,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:39:21,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1099 backedges. 2 proven. 1047 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-05-03 08:39:21,782 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:39:23,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1099 backedges. 0 proven. 1049 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-05-03 08:39:23,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1795375374] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:39:23,074 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:39:23,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 46, 34] total 83 [2024-05-03 08:39:23,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021097474] [2024-05-03 08:39:23,074 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:39:23,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 83 states [2024-05-03 08:39:23,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:39:23,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2024-05-03 08:39:23,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1228, Invalid=5578, Unknown=0, NotChecked=0, Total=6806 [2024-05-03 08:39:23,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:39:23,077 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:39:23,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 83 states have (on average 4.36144578313253) internal successors, (362), 83 states have internal predecessors, (362), 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 08:39:23,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:39:23,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 08:39:23,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:39:23,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 08:39:23,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-05-03 08:39:23,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-05-03 08:39:23,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:39:23,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2024-05-03 08:39:23,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2024-05-03 08:39:23,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:39:23,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:39:23,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 08:39:23,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:39:23,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 08:39:23,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-03 08:39:23,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-05-03 08:39:23,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:39:23,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2024-05-03 08:39:23,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2024-05-03 08:39:23,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:39:23,792 INFO L78 Accepts]: Start accepts. Automaton has currently 406 states, but on-demand construction may add more states Word has length 191 [2024-05-03 08:39:23,793 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:39:23,804 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-05-03 08:39:24,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-05-03 08:39:24,000 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:39:24,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:39:24,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1371340031, now seen corresponding path program 10 times [2024-05-03 08:39:24,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:39:24,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702164584] [2024-05-03 08:39:24,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:39:24,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:39:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:39:27,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1195 backedges. 268 proven. 887 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-05-03 08:39:27,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:39:27,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702164584] [2024-05-03 08:39:27,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702164584] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:39:27,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1849773315] [2024-05-03 08:39:27,278 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-03 08:39:27,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:39:27,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:39:27,280 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 08:39:27,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-05-03 08:39:27,357 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-03 08:39:27,358 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:39:27,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 148 conjunts are in the unsatisfiable core [2024-05-03 08:39:27,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:39:31,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1195 backedges. 0 proven. 1195 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:39:31,712 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:39:36,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1195 backedges. 166 proven. 989 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-05-03 08:39:36,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1849773315] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:39:36,103 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:39:36,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 86, 66] total 205 [2024-05-03 08:39:36,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411372259] [2024-05-03 08:39:36,103 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:39:36,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 205 states [2024-05-03 08:39:36,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:39:36,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 205 interpolants. [2024-05-03 08:39:36,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4284, Invalid=37536, Unknown=0, NotChecked=0, Total=41820 [2024-05-03 08:39:36,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:39:36,113 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:39:36,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 205 states, 205 states have (on average 2.2243902439024392) internal successors, (456), 205 states have internal predecessors, (456), 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 08:39:36,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:39:36,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 08:39:36,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:39:36,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 08:39:36,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-05-03 08:39:36,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-05-03 08:39:36,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:39:36,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2024-05-03 08:39:36,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2024-05-03 08:39:36,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:39:36,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:39:43,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:39:43,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 08:39:43,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:39:43,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-03 08:39:43,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-03 08:39:43,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-05-03 08:39:43,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:39:43,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2024-05-03 08:39:43,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2024-05-03 08:39:43,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:39:43,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 198 states. [2024-05-03 08:39:43,474 INFO L78 Accepts]: Start accepts. Automaton has currently 440 states, but on-demand construction may add more states Word has length 205 [2024-05-03 08:39:43,476 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:39:43,484 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-05-03 08:39:43,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:39:43,680 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:39:43,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:39:43,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1496922711, now seen corresponding path program 11 times [2024-05-03 08:39:43,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:39:43,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411409382] [2024-05-03 08:39:43,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:39:43,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:39:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:39:47,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1466 backedges. 350 proven. 1075 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-05-03 08:39:47,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:39:47,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411409382] [2024-05-03 08:39:47,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411409382] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:39:47,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1416630303] [2024-05-03 08:39:47,562 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-03 08:39:47,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:39:47,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:39:47,563 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 08:39:47,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-05-03 08:39:47,687 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 25 check-sat command(s) [2024-05-03 08:39:47,687 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:39:47,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 162 conjunts are in the unsatisfiable core [2024-05-03 08:39:47,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:39:52,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1466 backedges. 0 proven. 1466 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:39:52,785 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:39:58,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1466 backedges. 25 proven. 1301 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-05-03 08:39:58,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1416630303] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:39:58,696 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:39:58,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73, 94, 68] total 222 [2024-05-03 08:39:58,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445533066] [2024-05-03 08:39:58,696 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:39:58,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 222 states [2024-05-03 08:39:58,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:39:58,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 222 interpolants. [2024-05-03 08:39:58,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3174, Invalid=45888, Unknown=0, NotChecked=0, Total=49062 [2024-05-03 08:39:58,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:39:58,702 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:39:58,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 222 states, 222 states have (on average 2.1981981981981984) internal successors, (488), 222 states have internal predecessors, (488), 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 08:39:58,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:39:58,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 08:39:58,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:39:58,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-03 08:39:58,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-05-03 08:39:58,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-05-03 08:39:58,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-05-03 08:39:58,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2024-05-03 08:39:58,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2024-05-03 08:39:58,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:39:58,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 198 states. [2024-05-03 08:39:58,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:40:20,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:40:20,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 08:40:20,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:40:20,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-03 08:40:20,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-05-03 08:40:20,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-05-03 08:40:20,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-05-03 08:40:20,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2024-05-03 08:40:20,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. [2024-05-03 08:40:20,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:40:20,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 336 states. [2024-05-03 08:40:20,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 253 states. [2024-05-03 08:40:20,408 INFO L78 Accepts]: Start accepts. Automaton has currently 2212 states, but on-demand construction may add more states Word has length 152 [2024-05-03 08:40:20,409 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:40:20,416 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-05-03 08:40:20,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-05-03 08:40:20,616 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:40:20,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:40:20,616 INFO L85 PathProgramCache]: Analyzing trace with hash -887394424, now seen corresponding path program 12 times [2024-05-03 08:40:20,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:40:20,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641324581] [2024-05-03 08:40:20,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:40:20,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:40:20,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:40:23,185 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 297 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:40:23,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:40:23,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641324581] [2024-05-03 08:40:23,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641324581] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:40:23,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136284225] [2024-05-03 08:40:23,188 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-03 08:40:23,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:40:23,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:40:23,190 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 08:40:23,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-05-03 08:40:23,304 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2024-05-03 08:40:23,304 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:40:23,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 103 conjunts are in the unsatisfiable core [2024-05-03 08:40:23,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:40:26,130 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 572 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:40:26,130 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:40:54,827 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 132 proven. 440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:40:54,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136284225] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:40:54,827 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:40:54,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 176 [2024-05-03 08:40:54,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081150257] [2024-05-03 08:40:54,827 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:40:54,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 176 states [2024-05-03 08:40:54,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:40:54,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 176 interpolants. [2024-05-03 08:40:54,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1695, Invalid=29105, Unknown=0, NotChecked=0, Total=30800 [2024-05-03 08:40:54,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:40:54,830 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:40:54,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 176 states, 176 states have (on average 2.1988636363636362) internal successors, (387), 176 states have internal predecessors, (387), 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 08:40:54,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:40:54,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 08:40:54,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:40:54,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-03 08:40:54,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-05-03 08:40:54,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-05-03 08:40:54,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-05-03 08:40:54,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2024-05-03 08:40:54,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 205 states. [2024-05-03 08:40:54,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:40:54,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 336 states. [2024-05-03 08:40:54,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 253 states. [2024-05-03 08:40:54,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:41:03,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:41:03,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 08:41:03,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:41:03,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 08:41:03,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-05-03 08:41:03,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-05-03 08:41:03,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-05-03 08:41:03,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2024-05-03 08:41:03,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2024-05-03 08:41:03,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:41:03,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 336 states. [2024-05-03 08:41:03,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 259 states. [2024-05-03 08:41:03,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2024-05-03 08:41:03,851 INFO L78 Accepts]: Start accepts. Automaton has currently 2366 states, but on-demand construction may add more states Word has length 126 [2024-05-03 08:41:03,853 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:41:03,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-05-03 08:41:04,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-05-03 08:41:04,059 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:41:04,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:41:04,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1326829805, now seen corresponding path program 1 times [2024-05-03 08:41:04,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:41:04,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484148356] [2024-05-03 08:41:04,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:41:04,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:41:04,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:41:04,152 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2024-05-03 08:41:04,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:41:04,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484148356] [2024-05-03 08:41:04,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484148356] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 08:41:04,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 08:41:04,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-03 08:41:04,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376938500] [2024-05-03 08:41:04,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 08:41:04,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-03 08:41:04,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:41:04,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-03 08:41:04,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-05-03 08:41:04,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:41:04,154 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:41:04,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 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 08:41:04,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:41:04,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 08:41:04,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:41:04,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 08:41:04,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-05-03 08:41:04,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-05-03 08:41:04,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-05-03 08:41:04,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2024-05-03 08:41:04,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 211 states. [2024-05-03 08:41:04,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:41:04,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 336 states. [2024-05-03 08:41:04,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 259 states. [2024-05-03 08:41:04,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2024-05-03 08:41:04,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:41:04,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:41:04,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 08:41:04,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:41:04,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-03 08:41:04,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-05-03 08:41:04,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-05-03 08:41:04,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-05-03 08:41:04,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2024-05-03 08:41:04,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2024-05-03 08:41:04,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:41:04,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 336 states. [2024-05-03 08:41:04,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 259 states. [2024-05-03 08:41:04,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2024-05-03 08:41:04,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 08:41:04,250 INFO L78 Accepts]: Start accepts. Automaton has currently 2365 states, but on-demand construction may add more states Word has length 128 [2024-05-03 08:41:04,251 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:41:04,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-05-03 08:41:04,251 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:41:04,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:41:04,252 INFO L85 PathProgramCache]: Analyzing trace with hash 647967126, now seen corresponding path program 13 times [2024-05-03 08:41:04,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:41:04,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349334124] [2024-05-03 08:41:04,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:41:04,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:41:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:41:05,433 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 297 proven. 107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:41:05,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:41:05,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349334124] [2024-05-03 08:41:05,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349334124] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:41:05,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099010084] [2024-05-03 08:41:05,434 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-03 08:41:05,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:41:05,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:41:05,435 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 08:41:05,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-05-03 08:41:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:41:05,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 92 conjunts are in the unsatisfiable core [2024-05-03 08:41:05,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:41:07,292 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 0 proven. 404 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:41:07,292 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:41:09,503 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 0 proven. 404 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:41:09,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2099010084] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:41:09,503 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:41:09,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 51, 51] total 140 [2024-05-03 08:41:09,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178312173] [2024-05-03 08:41:09,503 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:41:09,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 140 states [2024-05-03 08:41:09,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:41:09,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 140 interpolants. [2024-05-03 08:41:09,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1890, Invalid=17570, Unknown=0, NotChecked=0, Total=19460 [2024-05-03 08:41:09,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:41:09,508 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:41:09,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 140 states, 140 states have (on average 2.25) internal successors, (315), 140 states have internal predecessors, (315), 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 08:41:09,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:41:09,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 08:41:09,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-03 08:41:09,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-03 08:41:09,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-05-03 08:41:09,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-05-03 08:41:09,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-05-03 08:41:09,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2024-05-03 08:41:09,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 211 states. [2024-05-03 08:41:09,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-05-03 08:41:09,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 336 states. [2024-05-03 08:41:09,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 259 states. [2024-05-03 08:41:09,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2024-05-03 08:41:09,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 08:41:09,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:44:34,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:44:34,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 08:44:34,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-05-03 08:44:34,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2024-05-03 08:44:34,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-05-03 08:44:34,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 322 states. [2024-05-03 08:44:34,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 437 states. [2024-05-03 08:44:34,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 549 states. [2024-05-03 08:44:34,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 694 states. [2024-05-03 08:44:34,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-05-03 08:44:34,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 827 states. [2024-05-03 08:44:34,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 961 states. [2024-05-03 08:44:34,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2024-05-03 08:44:34,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 08:44:34,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 250 states. [2024-05-03 08:44:34,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-03 08:44:34,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-05-03 08:44:34,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-05-03 08:44:34,319 INFO L445 BasicCegarLoop]: Path program histogram: [13, 1, 1] [2024-05-03 08:44:34,320 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/3) [2024-05-03 08:44:34,326 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 08:44:34,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 08:44:34,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:44:34,328 INFO L229 MonitoredProcess]: Starting monitored process 16 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 08:44:34,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (16)] Waiting until timeout for monitored process [2024-05-03 08:44:34,350 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 08:44:34,350 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2024-05-03 08:44:34,351 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;@1d7091aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 08:44:34,351 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-03 08:44:34,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-05-03 08:44:34,354 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-03 08:44:34,354 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/3) [2024-05-03 08:44:34,356 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 08:44:34,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 08:44:34,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:44:34,359 INFO L229 MonitoredProcess]: Starting monitored process 17 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 08:44:34,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (17)] Waiting until timeout for monitored process [2024-05-03 08:44:34,366 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 08:44:34,366 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2024-05-03 08:44:34,367 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;@1d7091aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 08:44:34,367 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-03 08:44:34,371 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-05-03 08:44:34,372 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-03 08:44:34,372 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/3) [2024-05-03 08:44:34,372 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-03 08:44:34,373 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-03 08:44:34,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 08:44:34 BasicIcfg [2024-05-03 08:44:34,377 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-03 08:44:34,377 INFO L158 Benchmark]: Toolchain (without parser) took 365269.40ms. Allocated memory was 306.2MB in the beginning and 6.1GB in the end (delta: 5.8GB). Free memory was 235.6MB in the beginning and 5.1GB in the end (delta: -4.9GB). Peak memory consumption was 886.0MB. Max. memory is 8.0GB. [2024-05-03 08:44:34,377 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 161.5MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-03 08:44:34,377 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.52ms. Allocated memory is still 306.2MB. Free memory was 235.3MB in the beginning and 224.0MB in the end (delta: 11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-05-03 08:44:34,378 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.38ms. Allocated memory is still 306.2MB. Free memory was 224.0MB in the beginning and 222.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-03 08:44:34,378 INFO L158 Benchmark]: Boogie Preprocessor took 20.41ms. Allocated memory is still 306.2MB. Free memory was 222.5MB in the beginning and 221.2MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-03 08:44:34,378 INFO L158 Benchmark]: RCFGBuilder took 341.35ms. Allocated memory is still 306.2MB. Free memory was 221.2MB in the beginning and 205.4MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2024-05-03 08:44:34,378 INFO L158 Benchmark]: TraceAbstraction took 364640.43ms. Allocated memory was 306.2MB in the beginning and 6.1GB in the end (delta: 5.8GB). Free memory was 204.4MB in the beginning and 5.1GB in the end (delta: -4.9GB). Peak memory consumption was 854.6MB. Max. memory is 8.0GB. [2024-05-03 08:44:34,380 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 161.5MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 233.52ms. Allocated memory is still 306.2MB. Free memory was 235.3MB in the beginning and 224.0MB in the end (delta: 11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.38ms. Allocated memory is still 306.2MB. Free memory was 224.0MB in the beginning and 222.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.41ms. Allocated memory is still 306.2MB. Free memory was 222.5MB in the beginning and 221.2MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 341.35ms. Allocated memory is still 306.2MB. Free memory was 221.2MB in the beginning and 205.4MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 364640.43ms. Allocated memory was 306.2MB in the beginning and 6.1GB in the end (delta: 5.8GB). Free memory was 204.4MB in the beginning and 5.1GB in the end (delta: -4.9GB). Peak memory consumption was 854.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 192438, independent: 175117, independent conditional: 175117, independent unconditional: 0, dependent: 17321, dependent conditional: 17321, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 175414, independent: 175117, independent conditional: 175117, independent unconditional: 0, dependent: 297, dependent conditional: 297, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 175414, independent: 175117, independent conditional: 175117, independent unconditional: 0, dependent: 297, dependent conditional: 297, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 187255, independent: 175117, independent conditional: 2145, independent unconditional: 172972, dependent: 12138, dependent conditional: 9696, dependent unconditional: 2442, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 187255, independent: 175117, independent conditional: 2145, independent unconditional: 172972, dependent: 12138, dependent conditional: 7234, dependent unconditional: 4904, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 187255, independent: 175117, independent conditional: 2145, independent unconditional: 172972, dependent: 12138, dependent conditional: 7234, dependent unconditional: 4904, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 436, independent: 348, independent conditional: 147, independent unconditional: 201, dependent: 88, dependent conditional: 87, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 436, independent: 201, independent conditional: 0, independent unconditional: 201, dependent: 235, dependent conditional: 0, dependent unconditional: 235, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 235, independent: 147, independent conditional: 147, independent unconditional: 0, dependent: 88, dependent conditional: 87, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 235, independent: 147, independent conditional: 147, independent unconditional: 0, dependent: 88, dependent conditional: 87, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 523, independent: 306, independent conditional: 306, independent unconditional: 0, dependent: 217, dependent conditional: 182, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 187255, independent: 174769, independent conditional: 1998, independent unconditional: 172771, dependent: 12050, dependent conditional: 7147, dependent unconditional: 4903, unknown: 436, unknown conditional: 234, unknown unconditional: 202] , Statistics on independence cache: Total cache size (in pairs): 436, Positive cache size: 348, Positive conditional cache size: 147, Positive unconditional cache size: 201, Negative cache size: 88, Negative conditional cache size: 87, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2462, Maximal queried relation: 15, Independence queries for same thread: 17024 - StatisticsResult: Visitor Statistics States: 90, Transitions: 98, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 90, Transitions: 95, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 77, Transitions: 79, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 91, Transitions: 94, Traversal time: 0.5s - StatisticsResult: Visitor Statistics States: 99, Transitions: 101, Traversal time: 1.1s - StatisticsResult: Visitor Statistics States: 105, Transitions: 107, Traversal time: 1.8s - StatisticsResult: Visitor Statistics States: 119, Transitions: 121, Traversal time: 2.2s - StatisticsResult: Visitor Statistics States: 133, Transitions: 135, Traversal time: 3.0s - StatisticsResult: Visitor Statistics States: 147, Transitions: 149, Traversal time: 3.6s - StatisticsResult: Visitor Statistics States: 205, Transitions: 209, Traversal time: 6.0s - StatisticsResult: Visitor Statistics States: 210, Transitions: 214, Traversal time: 0.7s - StatisticsResult: Visitor Statistics States: 225, Transitions: 229, Traversal time: 7.4s - StatisticsResult: Visitor Statistics States: 2110, Transitions: 2364, Traversal time: 21.7s - StatisticsResult: Visitor Statistics States: 2286, Transitions: 2553, Traversal time: 9.0s - StatisticsResult: Visitor Statistics States: 2285, Transitions: 2552, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 84106, Transitions: 97055, Traversal time: 204.6s - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 1 - StatisticsResult: Visitor Statistics States: 32, Transitions: 32, Traversal time: 0.0s - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 90, independent: 68, independent conditional: 68, independent unconditional: 0, dependent: 22, dependent conditional: 22, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 68, independent: 68, independent conditional: 68, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 68, independent: 68, independent conditional: 68, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 68, independent: 68, independent conditional: 0, independent unconditional: 68, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 68, independent: 68, independent conditional: 0, independent unconditional: 68, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 68, independent: 68, independent conditional: 0, independent unconditional: 68, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 65, independent: 65, independent conditional: 0, independent unconditional: 65, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 65, independent: 65, independent conditional: 0, independent unconditional: 65, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 68, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 65, unknown conditional: 0, unknown unconditional: 65] , Statistics on independence cache: Total cache size (in pairs): 65, Positive cache size: 65, Positive conditional cache size: 0, Positive unconditional cache size: 65, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 22 - StatisticsResult: Visitor Statistics States: 94, Transitions: 108, Traversal time: 0.0s - PositiveResult [Line: 78]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 5 procedures, 98 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 364.4s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 13, EmptinessCheckTime: 261.9s, 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: 4889, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 97.9s InterpolantComputationTime, 3542 NumberOfCodeBlocks, 3530 NumberOfCodeBlocksAsserted, 108 NumberOfCheckSat, 5174 ConstructedInterpolants, 0 QuantifiedInterpolants, 60436 SizeOfPredicates, 374 NumberOfNonLiveVariables, 3093 ConjunctsInSsa, 1012 ConjunctsInUnsatCore, 41 InterpolantComputations, 2 PerfectInterpolantSequences, 2873/18465 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 98 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, 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: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 98 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, 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: 0, 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: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-03 08:44:34,411 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (17)] Forceful destruction successful, exit code 0 [2024-05-03 08:44:34,605 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (16)] Forceful destruction successful, exit code 0 [2024-05-03 08:44:34,809 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-05-03 08:44:35,028 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 Received shutdown request...