/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.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-e23131f-m [2024-05-03 08:40:21,182 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-03 08:40:21,234 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-03 08:40:21,239 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-03 08:40:21,240 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-03 08:40:21,289 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-03 08:40:21,289 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-03 08:40:21,290 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-03 08:40:21,290 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-03 08:40:21,293 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-03 08:40:21,293 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-03 08:40:21,294 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-03 08:40:21,294 INFO L153 SettingsManager]: * Use SBE=true [2024-05-03 08:40:21,295 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-03 08:40:21,295 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-03 08:40:21,295 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-03 08:40:21,296 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-03 08:40:21,296 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-03 08:40:21,296 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-03 08:40:21,296 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-03 08:40:21,296 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-03 08:40:21,296 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-03 08:40:21,297 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-03 08:40:21,297 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-03 08:40:21,297 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-03 08:40:21,297 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-03 08:40:21,297 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-03 08:40:21,297 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-03 08:40:21,297 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-03 08:40:21,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 08:40:21,298 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-03 08:40:21,299 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-03 08:40:21,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-03 08:40:21,299 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-03 08:40:21,299 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-03 08:40:21,299 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-03 08:40:21,299 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-03 08:40:21,299 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-03 08:40:21,299 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-03 08:40:21,299 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-03 08:40:21,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-03 08:40:21,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-03 08:40:21,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-03 08:40:21,516 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-03 08:40:21,516 INFO L274 PluginConnector]: CDTParser initialized [2024-05-03 08:40:21,517 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-nonblocking-cntr.wvr.c [2024-05-03 08:40:22,584 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-03 08:40:22,736 INFO L384 CDTParser]: Found 1 translation units. [2024-05-03 08:40:22,736 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-nonblocking-cntr.wvr.c [2024-05-03 08:40:22,746 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e9995d73f/fff4f52b75624d91a0864cd497884f86/FLAG59d38849e [2024-05-03 08:40:22,764 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e9995d73f/fff4f52b75624d91a0864cd497884f86 [2024-05-03 08:40:22,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-03 08:40:22,769 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-03 08:40:22,771 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-03 08:40:22,771 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-03 08:40:22,775 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-03 08:40:22,775 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 08:40:22" (1/1) ... [2024-05-03 08:40:22,776 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3da026e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:40:22, skipping insertion in model container [2024-05-03 08:40:22,776 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 08:40:22" (1/1) ... [2024-05-03 08:40:22,792 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-03 08:40:22,922 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.wvr.c[2037,2050] [2024-05-03 08:40:22,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 08:40:22,930 INFO L202 MainTranslator]: Completed pre-run [2024-05-03 08:40:22,943 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.wvr.c[2037,2050] [2024-05-03 08:40:22,947 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-03 08:40:22,959 INFO L206 MainTranslator]: Completed translation [2024-05-03 08:40:22,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:40:22 WrapperNode [2024-05-03 08:40:22,959 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-03 08:40:22,960 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-03 08:40:22,960 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-03 08:40:22,960 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-03 08:40:22,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:40:22" (1/1) ... [2024-05-03 08:40:22,974 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:40:22" (1/1) ... [2024-05-03 08:40:22,987 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2024-05-03 08:40:22,987 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-03 08:40:22,988 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-03 08:40:22,988 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-03 08:40:22,988 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-03 08:40:22,994 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:40:22" (1/1) ... [2024-05-03 08:40:22,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:40:22" (1/1) ... [2024-05-03 08:40:22,995 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:40:22" (1/1) ... [2024-05-03 08:40:22,995 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:40:22" (1/1) ... [2024-05-03 08:40:22,998 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:40:22" (1/1) ... [2024-05-03 08:40:23,001 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:40:22" (1/1) ... [2024-05-03 08:40:23,001 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:40:22" (1/1) ... [2024-05-03 08:40:23,002 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:40:22" (1/1) ... [2024-05-03 08:40:23,003 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-03 08:40:23,004 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-03 08:40:23,004 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-03 08:40:23,004 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-03 08:40:23,004 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:40:22" (1/1) ... [2024-05-03 08:40:23,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 08:40:23,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:40:23,029 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 08:40:23,039 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 08:40:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-03 08:40:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-03 08:40:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-03 08:40:23,073 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-03 08:40:23,074 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-03 08:40:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-03 08:40:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-03 08:40:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-03 08:40:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-03 08:40:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-03 08:40:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-03 08:40:23,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-03 08:40:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-03 08:40:23,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-03 08:40:23,075 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 08:40:23,148 INFO L241 CfgBuilder]: Building ICFG [2024-05-03 08:40:23,150 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-03 08:40:23,304 INFO L282 CfgBuilder]: Performing block encoding [2024-05-03 08:40:23,332 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-03 08:40:23,333 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-05-03 08:40:23,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 08:40:23 BoogieIcfgContainer [2024-05-03 08:40:23,333 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-03 08:40:23,335 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-03 08:40:23,335 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-03 08:40:23,337 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-03 08:40:23,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.05 08:40:22" (1/3) ... [2024-05-03 08:40:23,337 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7113731f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 08:40:23, skipping insertion in model container [2024-05-03 08:40:23,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 08:40:22" (2/3) ... [2024-05-03 08:40:23,338 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7113731f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 08:40:23, skipping insertion in model container [2024-05-03 08:40:23,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 08:40:23" (3/3) ... [2024-05-03 08:40:23,338 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-nonblocking-cntr.wvr.c [2024-05-03 08:40:23,345 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-03 08:40:23,351 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-03 08:40:23,351 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-03 08:40:23,351 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-03 08:40:23,388 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-03 08:40:23,420 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 08:40:23,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 08:40:23,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:40:23,422 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 08:40:23,424 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 08:40:23,446 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 08:40:23,451 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-03 08:40:23,455 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;@51e36d8b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 08:40:23,455 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-03 08:40:23,520 INFO L78 Accepts]: Start accepts. Automaton has currently 110 states, but on-demand construction may add more states Word has length 65 [2024-05-03 08:40:23,521 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:40:23,521 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:40:23,525 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:40:23,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1234655024, now seen corresponding path program 1 times [2024-05-03 08:40:23,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:40:23,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874331721] [2024-05-03 08:40:23,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:40:23,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:40:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:40:23,681 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 08:40:23,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:40:23,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874331721] [2024-05-03 08:40:23,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874331721] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 08:40:23,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 08:40:23,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-03 08:40:23,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845026712] [2024-05-03 08:40:23,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 08:40:23,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-03 08:40:23,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:40:23,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-03 08:40:23,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-03 08:40:23,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:40:23,710 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:40:23,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 08:40:23,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:40:23,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:40:23,746 INFO L78 Accepts]: Start accepts. Automaton has currently 110 states, but on-demand construction may add more states Word has length 63 [2024-05-03 08:40:23,747 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:40:23,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-03 08:40:23,748 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:40:23,748 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:40:23,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1280430546, now seen corresponding path program 1 times [2024-05-03 08:40:23,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:40:23,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982787678] [2024-05-03 08:40:23,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:40:23,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:40:23,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:40:24,181 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 08:40:24,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:40:24,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982787678] [2024-05-03 08:40:24,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982787678] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:40:24,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966366670] [2024-05-03 08:40:24,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:40:24,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:40:24,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:40:24,226 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 08:40:24,231 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 08:40:24,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:40:24,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 6 conjunts are in the unsatisfiable core [2024-05-03 08:40:24,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:40:24,508 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 08:40:24,508 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:40:24,716 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 08:40:24,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [966366670] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:40:24,717 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:40:24,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 16 [2024-05-03 08:40:24,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083679546] [2024-05-03 08:40:24,718 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:40:24,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-05-03 08:40:24,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:40:24,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-05-03 08:40:24,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2024-05-03 08:40:24,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:40:24,723 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:40:24,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.1875) internal successors, (115), 16 states have internal predecessors, (115), 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 08:40:24,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:40:24,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:40:24,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:40:24,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:40:24,827 INFO L78 Accepts]: Start accepts. Automaton has currently 109 states, but on-demand construction may add more states Word has length 68 [2024-05-03 08:40:24,827 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:40:24,838 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-03 08:40:25,037 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 08:40:25,037 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:40:25,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:40:25,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1056425509, now seen corresponding path program 2 times [2024-05-03 08:40:25,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:40:25,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761990523] [2024-05-03 08:40:25,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:40:25,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:40:25,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:40:25,261 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 08:40:25,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:40:25,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761990523] [2024-05-03 08:40:25,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761990523] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:40:25,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645901311] [2024-05-03 08:40:25,262 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 08:40:25,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:40:25,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:40:25,263 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 08:40:25,288 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 08:40:25,322 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 08:40:25,322 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:40:25,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 9 conjunts are in the unsatisfiable core [2024-05-03 08:40:25,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:40:25,455 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:40:25,456 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:40:25,674 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:40:25,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [645901311] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:40:25,680 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:40:25,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 9] total 22 [2024-05-03 08:40:25,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684730169] [2024-05-03 08:40:25,680 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:40:25,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-05-03 08:40:25,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:40:25,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-05-03 08:40:25,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=370, Unknown=0, NotChecked=0, Total=462 [2024-05-03 08:40:25,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:40:25,682 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:40:25,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 7.0) internal successors, (154), 22 states have internal predecessors, (154), 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 08:40:25,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:40:25,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:40:25,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:40:25,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:40:25,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:40:25,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-03 08:40:25,904 INFO L78 Accepts]: Start accepts. Automaton has currently 106 states, but on-demand construction may add more states Word has length 70 [2024-05-03 08:40:25,905 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:40:25,913 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 08:40:26,114 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 08:40:26,115 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:40:26,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:40:26,115 INFO L85 PathProgramCache]: Analyzing trace with hash -2107675694, now seen corresponding path program 3 times [2024-05-03 08:40:26,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:40:26,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817643460] [2024-05-03 08:40:26,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:40:26,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:40:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:40:26,315 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:40:26,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:40:26,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817643460] [2024-05-03 08:40:26,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817643460] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:40:26,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1863687096] [2024-05-03 08:40:26,316 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 08:40:26,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:40:26,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:40:26,317 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 08:40:26,339 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 08:40:26,397 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-05-03 08:40:26,397 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:40:26,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 13 conjunts are in the unsatisfiable core [2024-05-03 08:40:26,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:40:26,456 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:40:26,457 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:40:26,929 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:40:26,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1863687096] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:40:26,930 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:40:26,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 9] total 11 [2024-05-03 08:40:26,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708299572] [2024-05-03 08:40:26,930 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:40:26,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-05-03 08:40:26,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:40:26,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-05-03 08:40:26,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-05-03 08:40:26,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:40:26,932 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:40:26,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.0) internal successors, (121), 11 states have internal predecessors, (121), 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 08:40:26,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:40:26,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:40:26,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-03 08:40:26,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:40:27,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:40:27,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:40:27,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-03 08:40:27,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:40:27,176 INFO L78 Accepts]: Start accepts. Automaton has currently 158 states, but on-demand construction may add more states Word has length 87 [2024-05-03 08:40:27,177 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:40:27,192 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 08:40:27,377 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 08:40:27,378 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:40:27,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:40:27,379 INFO L85 PathProgramCache]: Analyzing trace with hash -778820134, now seen corresponding path program 4 times [2024-05-03 08:40:27,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:40:27,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073096050] [2024-05-03 08:40:27,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:40:27,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:40:27,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:40:27,718 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 9 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:40:27,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:40:27,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073096050] [2024-05-03 08:40:27,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073096050] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:40:27,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1215596723] [2024-05-03 08:40:27,720 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-03 08:40:27,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:40:27,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:40:27,721 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 08:40:27,726 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 08:40:27,779 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-03 08:40:27,779 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:40:27,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 21 conjunts are in the unsatisfiable core [2024-05-03 08:40:27,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:40:28,113 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 29 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:40:28,113 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:40:28,565 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 14 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:40:28,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1215596723] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:40:28,565 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:40:28,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 22, 18] total 49 [2024-05-03 08:40:28,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016775049] [2024-05-03 08:40:28,565 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:40:28,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-05-03 08:40:28,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:40:28,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-05-03 08:40:28,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=368, Invalid=1984, Unknown=0, NotChecked=0, Total=2352 [2024-05-03 08:40:28,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:40:28,567 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:40:28,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 4.346938775510204) internal successors, (213), 49 states have internal predecessors, (213), 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 08:40:28,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:40:28,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:40:28,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-03 08:40:28,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:40:28,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:40:29,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:40:29,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:40:29,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-03 08:40:29,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:40:29,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-05-03 08:40:29,780 INFO L78 Accepts]: Start accepts. Automaton has currently 267 states, but on-demand construction may add more states Word has length 96 [2024-05-03 08:40:29,780 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:40:29,795 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 08:40:29,985 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 08:40:29,986 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:40:29,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:40:29,986 INFO L85 PathProgramCache]: Analyzing trace with hash 730900863, now seen corresponding path program 5 times [2024-05-03 08:40:29,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:40:29,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691874330] [2024-05-03 08:40:29,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:40:29,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:40:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:40:30,601 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 5 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:40:30,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:40:30,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691874330] [2024-05-03 08:40:30,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691874330] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:40:30,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752206164] [2024-05-03 08:40:30,602 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-03 08:40:30,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:40:30,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:40:30,614 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 08:40:30,619 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 08:40:30,673 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-05-03 08:40:30,673 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:40:30,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 27 conjunts are in the unsatisfiable core [2024-05-03 08:40:30,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:40:31,071 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 5 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:40:31,072 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:40:32,392 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 23 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:40:32,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [752206164] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:40:32,392 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:40:32,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 24, 23] total 61 [2024-05-03 08:40:32,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399849123] [2024-05-03 08:40:32,393 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:40:32,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-05-03 08:40:32,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:40:32,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-05-03 08:40:32,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=474, Invalid=3186, Unknown=0, NotChecked=0, Total=3660 [2024-05-03 08:40:32,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:40:32,395 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:40:32,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 3.4754098360655736) internal successors, (212), 61 states have internal predecessors, (212), 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 08:40:32,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:40:32,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:40:32,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-03 08:40:32,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:40:32,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-05-03 08:40:32,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:40:34,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:40:34,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:40:34,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-03 08:40:34,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:40:34,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-05-03 08:40:34,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-03 08:40:34,817 INFO L78 Accepts]: Start accepts. Automaton has currently 339 states, but on-demand construction may add more states Word has length 124 [2024-05-03 08:40:34,818 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:40:34,825 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-05-03 08:40:35,022 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 08:40:35,023 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:40:35,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:40:35,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1918892071, now seen corresponding path program 6 times [2024-05-03 08:40:35,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:40:35,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130374880] [2024-05-03 08:40:35,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:40:35,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:40:35,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:40:36,026 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 5 proven. 305 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-03 08:40:36,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:40:36,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130374880] [2024-05-03 08:40:36,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130374880] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:40:36,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054188875] [2024-05-03 08:40:36,027 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-03 08:40:36,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:40:36,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:40:36,028 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 08:40:36,066 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 08:40:36,116 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2024-05-03 08:40:36,116 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:40:36,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 48 conjunts are in the unsatisfiable core [2024-05-03 08:40:36,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:40:37,028 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 20 proven. 296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:40:37,029 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:40:41,434 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 71 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:40:41,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2054188875] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:40:41,434 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:40:41,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 40, 40] total 101 [2024-05-03 08:40:41,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402444] [2024-05-03 08:40:41,435 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:40:41,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2024-05-03 08:40:41,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:40:41,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2024-05-03 08:40:41,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1305, Invalid=8795, Unknown=0, NotChecked=0, Total=10100 [2024-05-03 08:40:41,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:40:41,438 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:40:41,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 2.8217821782178216) internal successors, (285), 101 states have internal predecessors, (285), 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 08:40:41,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:40:41,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:40:41,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-03 08:40:41,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:40:41,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-05-03 08:40:41,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-03 08:40:41,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:40:51,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:40:51,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:40:51,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-03 08:40:51,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:40:51,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-05-03 08:40:51,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-03 08:40:51,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-05-03 08:40:51,274 INFO L78 Accepts]: Start accepts. Automaton has currently 259 states, but on-demand construction may add more states Word has length 123 [2024-05-03 08:40:51,274 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:40:51,280 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-05-03 08:40:51,479 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 08:40:51,480 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:40:51,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:40:51,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1423828291, now seen corresponding path program 7 times [2024-05-03 08:40:51,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:40:51,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015126785] [2024-05-03 08:40:51,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:40:51,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:40:51,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:40:52,266 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 88 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:40:52,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:40:52,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015126785] [2024-05-03 08:40:52,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015126785] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:40:52,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099402465] [2024-05-03 08:40:52,267 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-03 08:40:52,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:40:52,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:40:52,268 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 08:40:52,268 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 08:40:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:40:52,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 42 conjunts are in the unsatisfiable core [2024-05-03 08:40:52,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:40:53,160 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 205 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:40:53,160 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:40:54,521 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 93 proven. 229 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:40:54,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2099402465] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:40:54,521 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:40:54,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 43, 33] total 99 [2024-05-03 08:40:54,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384722231] [2024-05-03 08:40:54,522 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:40:54,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 99 states [2024-05-03 08:40:54,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:40:54,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2024-05-03 08:40:54,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1445, Invalid=8257, Unknown=0, NotChecked=0, Total=9702 [2024-05-03 08:40:54,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:40:54,526 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:40:54,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 99 states, 99 states have (on average 3.1414141414141414) internal successors, (311), 99 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 08:40:54,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:40:54,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:40:54,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-03 08:40:54,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:40:54,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-05-03 08:40:54,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-03 08:40:54,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-05-03 08:40:54,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:41:01,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:41:01,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:41:01,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-03 08:41:01,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:41:01,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-05-03 08:41:01,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-03 08:41:01,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2024-05-03 08:41:01,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 228 states. [2024-05-03 08:41:01,483 INFO L78 Accepts]: Start accepts. Automaton has currently 748 states, but on-demand construction may add more states Word has length 250 [2024-05-03 08:41:01,484 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:41:01,491 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 08:41:01,684 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 08:41:01,685 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:41:01,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:41:01,685 INFO L85 PathProgramCache]: Analyzing trace with hash 2072843905, now seen corresponding path program 8 times [2024-05-03 08:41:01,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:41:01,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660829138] [2024-05-03 08:41:01,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:41:01,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:41:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:41:05,528 INFO L134 CoverageAnalysis]: Checked inductivity of 2647 backedges. 30 proven. 2486 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2024-05-03 08:41:05,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:41:05,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660829138] [2024-05-03 08:41:05,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660829138] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:41:05,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623300042] [2024-05-03 08:41:05,529 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 08:41:05,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:41:05,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:41:05,530 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 08:41:05,531 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 08:41:05,657 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 08:41:05,657 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:41:05,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 129 conjunts are in the unsatisfiable core [2024-05-03 08:41:05,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:41:10,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2647 backedges. 81 proven. 2566 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:41:10,572 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:42:00,901 INFO L134 CoverageAnalysis]: Checked inductivity of 2647 backedges. 756 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:42:00,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [623300042] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:42:00,901 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:42:00,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 108, 110] total 253 [2024-05-03 08:42:00,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011770750] [2024-05-03 08:42:00,902 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:42:00,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 253 states [2024-05-03 08:42:00,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:42:00,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 253 interpolants. [2024-05-03 08:42:00,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9378, Invalid=54378, Unknown=0, NotChecked=0, Total=63756 [2024-05-03 08:42:00,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:42:00,915 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:42:00,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 253 states, 253 states have (on average 2.292490118577075) internal successors, (580), 253 states have internal predecessors, (580), 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 08:42:00,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:42:00,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:42:00,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-03 08:42:00,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:42:00,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-05-03 08:42:00,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-03 08:42:00,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2024-05-03 08:42:00,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 228 states. [2024-05-03 08:42:00,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:46:04,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:46:04,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:46:04,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-03 08:46:04,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:46:04,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-05-03 08:46:04,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-03 08:46:04,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2024-05-03 08:46:04,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2024-05-03 08:46:04,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 352 states. [2024-05-03 08:46:04,180 INFO L78 Accepts]: Start accepts. Automaton has currently 554 states, but on-demand construction may add more states Word has length 240 [2024-05-03 08:46:04,182 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:46:04,190 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 08:46:04,390 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 08:46:04,390 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:46:04,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:46:04,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1302386728, now seen corresponding path program 9 times [2024-05-03 08:46:04,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:46:04,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619357146] [2024-05-03 08:46:04,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:46:04,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:46:04,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:46:08,597 INFO L134 CoverageAnalysis]: Checked inductivity of 2656 backedges. 1560 proven. 1096 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:46:08,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:46:08,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619357146] [2024-05-03 08:46:08,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619357146] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:46:08,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1756522009] [2024-05-03 08:46:08,598 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 08:46:08,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:46:08,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:46:08,599 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 08:46:08,600 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 08:46:08,742 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 37 check-sat command(s) [2024-05-03 08:46:08,742 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:46:08,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 112 conjunts are in the unsatisfiable core [2024-05-03 08:46:08,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:46:15,507 INFO L134 CoverageAnalysis]: Checked inductivity of 2656 backedges. 2281 proven. 375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:46:15,508 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:46:21,821 INFO L134 CoverageAnalysis]: Checked inductivity of 2656 backedges. 1561 proven. 1095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:46:21,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1756522009] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:46:21,822 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:46:21,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [107, 112, 82] total 281 [2024-05-03 08:46:21,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345482976] [2024-05-03 08:46:21,822 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:46:21,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 281 states [2024-05-03 08:46:21,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:46:21,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 281 interpolants. [2024-05-03 08:46:21,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12982, Invalid=65698, Unknown=0, NotChecked=0, Total=78680 [2024-05-03 08:46:21,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:46:21,831 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:46:21,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 281 states, 281 states have (on average 2.3380782918149468) internal successors, (657), 281 states have internal predecessors, (657), 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 08:46:21,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:46:21,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:46:21,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-03 08:46:21,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:46:21,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-05-03 08:46:21,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-03 08:46:21,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2024-05-03 08:46:21,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 233 states. [2024-05-03 08:46:21,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 352 states. [2024-05-03 08:46:21,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:46:53,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:46:53,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:46:53,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-03 08:46:53,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:46:53,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-05-03 08:46:53,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-03 08:46:53,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2024-05-03 08:46:53,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2024-05-03 08:46:53,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 356 states. [2024-05-03 08:46:53,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 442 states. [2024-05-03 08:46:53,231 INFO L78 Accepts]: Start accepts. Automaton has currently 1159 states, but on-demand construction may add more states Word has length 457 [2024-05-03 08:46:53,233 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:46:53,240 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 08:46:53,436 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 08:46:53,436 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:46:53,437 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:46:53,437 INFO L85 PathProgramCache]: Analyzing trace with hash 2142930043, now seen corresponding path program 10 times [2024-05-03 08:46:53,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:46:53,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262588559] [2024-05-03 08:46:53,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:46:53,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:46:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:47:10,092 INFO L134 CoverageAnalysis]: Checked inductivity of 11515 backedges. 5265 proven. 6115 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-05-03 08:47:10,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:47:10,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262588559] [2024-05-03 08:47:10,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262588559] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:47:10,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636682036] [2024-05-03 08:47:10,092 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-03 08:47:10,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:47:10,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:47:10,109 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 08:47:10,109 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 08:47:10,297 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-03 08:47:10,297 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:47:10,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 699 conjuncts, 241 conjunts are in the unsatisfiable core [2024-05-03 08:47:10,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:47:32,695 INFO L134 CoverageAnalysis]: Checked inductivity of 11515 backedges. 3485 proven. 8030 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:47:32,695 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:48:56,758 INFO L134 CoverageAnalysis]: Checked inductivity of 11515 backedges. 5568 proven. 5802 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-05-03 08:48:56,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [636682036] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:48:56,759 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:48:56,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [127, 234, 121] total 461 [2024-05-03 08:48:56,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553448856] [2024-05-03 08:48:56,759 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:48:56,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 461 states [2024-05-03 08:48:56,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:48:56,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 461 interpolants. [2024-05-03 08:48:56,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28197, Invalid=183863, Unknown=0, NotChecked=0, Total=212060 [2024-05-03 08:48:56,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:48:56,774 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:48:56,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 461 states, 461 states have (on average 2.17353579175705) internal successors, (1002), 461 states have internal predecessors, (1002), 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 08:48:56,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:48:56,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:48:56,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-03 08:48:56,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:48:56,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-05-03 08:48:56,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-03 08:48:56,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2024-05-03 08:48:56,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 233 states. [2024-05-03 08:48:56,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 356 states. [2024-05-03 08:48:56,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 442 states. [2024-05-03 08:48:56,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:49:36,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:49:36,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:49:36,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-03 08:49:36,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:49:36,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-05-03 08:49:36,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-03 08:49:36,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2024-05-03 08:49:36,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2024-05-03 08:49:36,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 356 states. [2024-05-03 08:49:36,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 442 states. [2024-05-03 08:49:36,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 268 states. [2024-05-03 08:49:36,886 INFO L78 Accepts]: Start accepts. Automaton has currently 778 states, but on-demand construction may add more states Word has length 275 [2024-05-03 08:49:36,888 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:49:36,897 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 08:49:37,088 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 08:49:37,089 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:49:37,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:49:37,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1541351117, now seen corresponding path program 11 times [2024-05-03 08:49:37,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:49:37,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537466960] [2024-05-03 08:49:37,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:49:37,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:49:37,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:49:42,983 INFO L134 CoverageAnalysis]: Checked inductivity of 3494 backedges. 1842 proven. 1652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:49:42,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:49:42,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537466960] [2024-05-03 08:49:42,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537466960] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:49:42,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216072505] [2024-05-03 08:49:42,984 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-03 08:49:42,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:49:42,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:49:42,985 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 08:49:42,987 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 08:49:43,118 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 42 check-sat command(s) [2024-05-03 08:49:43,118 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:49:43,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 130 conjunts are in the unsatisfiable core [2024-05-03 08:49:43,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:49:51,843 INFO L134 CoverageAnalysis]: Checked inductivity of 3494 backedges. 2734 proven. 760 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:49:51,843 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:50:11,460 INFO L134 CoverageAnalysis]: Checked inductivity of 3494 backedges. 1843 proven. 1651 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:50:11,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1216072505] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:50:11,460 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:50:11,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [125, 131, 97] total 330 [2024-05-03 08:50:11,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963023105] [2024-05-03 08:50:11,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:50:11,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 330 states [2024-05-03 08:50:11,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:50:11,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 330 interpolants. [2024-05-03 08:50:11,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15567, Invalid=93003, Unknown=0, NotChecked=0, Total=108570 [2024-05-03 08:50:11,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:50:11,468 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:50:11,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 330 states, 330 states have (on average 2.293939393939394) internal successors, (757), 330 states have internal predecessors, (757), 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 08:50:11,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:50:11,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:50:11,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-03 08:50:11,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:50:11,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-05-03 08:50:11,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-03 08:50:11,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2024-05-03 08:50:11,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 233 states. [2024-05-03 08:50:11,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 356 states. [2024-05-03 08:50:11,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 442 states. [2024-05-03 08:50:11,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 268 states. [2024-05-03 08:50:11,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:50:41,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:50:41,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:50:41,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-03 08:50:41,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:50:41,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-05-03 08:50:41,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-03 08:50:41,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2024-05-03 08:50:41,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2024-05-03 08:50:41,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 356 states. [2024-05-03 08:50:41,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 505 states. [2024-05-03 08:50:41,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 270 states. [2024-05-03 08:50:41,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 368 states. [2024-05-03 08:50:41,650 INFO L78 Accepts]: Start accepts. Automaton has currently 1237 states, but on-demand construction may add more states Word has length 516 [2024-05-03 08:50:41,653 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-03 08:50:41,660 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-05-03 08:50:41,858 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 08:50:41,858 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-03 08:50:41,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 08:50:41,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1477757093, now seen corresponding path program 12 times [2024-05-03 08:50:41,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 08:50:41,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149703121] [2024-05-03 08:50:41,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 08:50:41,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 08:50:42,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 08:51:06,827 INFO L134 CoverageAnalysis]: Checked inductivity of 15016 backedges. 6090 proven. 8781 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-05-03 08:51:06,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 08:51:06,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149703121] [2024-05-03 08:51:06,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149703121] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 08:51:06,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384262022] [2024-05-03 08:51:06,828 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-03 08:51:06,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 08:51:06,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 08:51:06,829 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 08:51:06,834 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 08:51:07,234 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 81 check-sat command(s) [2024-05-03 08:51:07,234 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 08:51:07,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 280 conjunts are in the unsatisfiable core [2024-05-03 08:51:07,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 08:51:35,549 INFO L134 CoverageAnalysis]: Checked inductivity of 15016 backedges. 4033 proven. 10983 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 08:51:35,549 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 08:53:17,154 INFO L134 CoverageAnalysis]: Checked inductivity of 15016 backedges. 6486 proven. 8373 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-05-03 08:53:17,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384262022] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 08:53:17,154 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 08:53:17,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [152, 266, 148] total 541 [2024-05-03 08:53:17,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277785530] [2024-05-03 08:53:17,155 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 08:53:17,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 541 states [2024-05-03 08:53:17,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 08:53:17,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 541 interpolants. [2024-05-03 08:53:17,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30096, Invalid=262044, Unknown=0, NotChecked=0, Total=292140 [2024-05-03 08:53:17,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:53:17,172 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 08:53:17,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 541 states, 541 states have (on average 2.144177449168207) internal successors, (1160), 541 states have internal predecessors, (1160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 08:53:17,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 08:53:17,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:53:17,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-03 08:53:17,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 08:53:17,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-05-03 08:53:17,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-03 08:53:17,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2024-05-03 08:53:17,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 233 states. [2024-05-03 08:53:17,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 356 states. [2024-05-03 08:53:17,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 505 states. [2024-05-03 08:53:17,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 270 states. [2024-05-03 08:53:17,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 368 states. [2024-05-03 08:53:17,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2024-05-03 08:54:01,468 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-03 08:54:01,468 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-03 08:54:01,468 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-03 08:54:01,468 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-05-03 08:54:01,662 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 08:54:01,663 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 713 known predicates. [2024-05-03 08:54:01,665 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-03 08:54:01,670 INFO L445 BasicCegarLoop]: Path program histogram: [12, 1] [2024-05-03 08:54:01,671 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/3) [2024-05-03 08:54:01,673 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-03 08:54:01,674 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-03 08:54:01,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 08:54:01 BasicIcfg [2024-05-03 08:54:01,675 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-03 08:54:01,676 INFO L158 Benchmark]: Toolchain (without parser) took 818907.28ms. Allocated memory was 328.2MB in the beginning and 2.3GB in the end (delta: 2.0GB). Free memory was 254.9MB in the beginning and 568.1MB in the end (delta: -313.2MB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. [2024-05-03 08:54:01,676 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 181.4MB. Free memory is still 143.5MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-03 08:54:01,676 INFO L158 Benchmark]: CACSL2BoogieTranslator took 188.41ms. Allocated memory is still 328.2MB. Free memory was 254.7MB in the beginning and 292.8MB in the end (delta: -38.1MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. [2024-05-03 08:54:01,676 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.36ms. Allocated memory is still 328.2MB. Free memory was 292.8MB in the beginning and 291.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-03 08:54:01,676 INFO L158 Benchmark]: Boogie Preprocessor took 15.39ms. Allocated memory is still 328.2MB. Free memory was 291.2MB in the beginning and 290.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-03 08:54:01,676 INFO L158 Benchmark]: RCFGBuilder took 329.16ms. Allocated memory is still 328.2MB. Free memory was 289.6MB in the beginning and 274.4MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2024-05-03 08:54:01,677 INFO L158 Benchmark]: TraceAbstraction took 818340.92ms. Allocated memory was 328.2MB in the beginning and 2.3GB in the end (delta: 2.0GB). Free memory was 273.4MB in the beginning and 568.1MB in the end (delta: -294.7MB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. [2024-05-03 08:54:01,678 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 181.4MB. Free memory is still 143.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 188.41ms. Allocated memory is still 328.2MB. Free memory was 254.7MB in the beginning and 292.8MB in the end (delta: -38.1MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.36ms. Allocated memory is still 328.2MB. Free memory was 292.8MB in the beginning and 291.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.39ms. Allocated memory is still 328.2MB. Free memory was 291.2MB in the beginning and 290.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 329.16ms. Allocated memory is still 328.2MB. Free memory was 289.6MB in the beginning and 274.4MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 818340.92ms. Allocated memory was 328.2MB in the beginning and 2.3GB in the end (delta: 2.0GB). Free memory was 273.4MB in the beginning and 568.1MB in the end (delta: -294.7MB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5324, independent: 4399, independent conditional: 4399, independent unconditional: 0, dependent: 925, dependent conditional: 925, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4420, independent: 4399, independent conditional: 4399, independent unconditional: 0, dependent: 21, dependent conditional: 21, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4420, independent: 4399, independent conditional: 4399, independent unconditional: 0, dependent: 21, dependent conditional: 21, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4758, independent: 4399, independent conditional: 151, independent unconditional: 4248, dependent: 359, dependent conditional: 187, dependent unconditional: 172, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4758, independent: 4399, independent conditional: 151, independent unconditional: 4248, dependent: 359, dependent conditional: 148, dependent unconditional: 211, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4758, independent: 4399, independent conditional: 151, independent unconditional: 4248, dependent: 359, dependent conditional: 148, dependent unconditional: 211, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 231, independent: 177, independent conditional: 101, independent unconditional: 76, dependent: 54, dependent conditional: 53, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 231, independent: 76, independent conditional: 0, independent unconditional: 76, dependent: 155, dependent conditional: 0, dependent unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 155, independent: 101, independent conditional: 101, independent unconditional: 0, dependent: 54, dependent conditional: 53, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 155, independent: 101, independent conditional: 101, independent unconditional: 0, dependent: 54, dependent conditional: 53, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 422, independent: 220, independent conditional: 220, independent unconditional: 0, dependent: 203, dependent conditional: 176, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4758, independent: 4222, independent conditional: 50, independent unconditional: 4172, dependent: 305, dependent conditional: 95, dependent unconditional: 210, unknown: 231, unknown conditional: 154, unknown unconditional: 77] , Statistics on independence cache: Total cache size (in pairs): 231, Positive cache size: 177, Positive conditional cache size: 101, Positive unconditional cache size: 76, Negative cache size: 54, Negative conditional cache size: 53, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 39, Maximal queried relation: 13, Independence queries for same thread: 904 - StatisticsResult: Visitor Statistics States: 85, Transitions: 93, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 85, Transitions: 90, Traversal time: 0.0s - StatisticsResult: Visitor Statistics States: 72, Transitions: 74, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 74, Transitions: 75, Traversal time: 0.2s - StatisticsResult: Visitor Statistics States: 91, Transitions: 93, Traversal time: 0.2s - StatisticsResult: Visitor Statistics States: 190, Transitions: 197, Traversal time: 1.2s - StatisticsResult: Visitor Statistics States: 231, Transitions: 241, Traversal time: 2.4s - StatisticsResult: Visitor Statistics States: 166, Transitions: 170, Traversal time: 9.8s - StatisticsResult: Visitor Statistics States: 498, Transitions: 512, Traversal time: 7.0s - StatisticsResult: Visitor Statistics States: 333, Transitions: 337, Traversal time: 243.3s - StatisticsResult: Visitor Statistics States: 740, Transitions: 746, Traversal time: 31.4s - StatisticsResult: Visitor Statistics States: 538, Transitions: 542, Traversal time: 40.1s - StatisticsResult: Visitor Statistics States: 799, Transitions: 805, Traversal time: 30.2s - StatisticsResult: Visitor Statistics States: 191, Transitions: 191, Traversal time: 44.3s - TimeoutResultAtElement [Line: 77]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 713 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 5 procedures, 93 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 818.2s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 12, EmptinessCheckTime: 410.3s, 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: 2234, 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: 0.3s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 402.9s InterpolantComputationTime, 4803 NumberOfCodeBlocks, 4793 NumberOfCodeBlocksAsserted, 204 NumberOfCheckSat, 7135 ConstructedInterpolants, 0 QuantifiedInterpolants, 113414 SizeOfPredicates, 585 NumberOfNonLiveVariables, 4034 ConjunctsInSsa, 1058 ConjunctsInUnsatCore, 37 InterpolantComputations, 1 PerfectInterpolantSequences, 44909/108473 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown