/usr/lib/jvm/java-1.11.0-openjdk-amd64/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-mult-equiv.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-57af04c-m [2024-01-26 05:39:10,771 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-26 05:39:10,807 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-01-26 05:39:10,810 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-26 05:39:10,811 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-26 05:39:10,824 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-26 05:39:10,825 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-26 05:39:10,825 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-26 05:39:10,826 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-26 05:39:10,826 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-26 05:39:10,826 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-26 05:39:10,826 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-26 05:39:10,827 INFO L153 SettingsManager]: * Use SBE=true [2024-01-26 05:39:10,827 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-26 05:39:10,827 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-26 05:39:10,827 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-26 05:39:10,828 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-26 05:39:10,828 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-26 05:39:10,828 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-26 05:39:10,828 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-26 05:39:10,829 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-26 05:39:10,829 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-26 05:39:10,829 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-26 05:39:10,829 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-26 05:39:10,830 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-26 05:39:10,830 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-26 05:39:10,830 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-26 05:39:10,830 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-01-26 05:39:10,830 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-26 05:39:10,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 05:39:10,831 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-26 05:39:10,831 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-26 05:39:10,831 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-26 05:39:10,831 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-26 05:39:10,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-26 05:39:10,831 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-26 05:39:10,832 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-01-26 05:39:10,832 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-26 05:39:10,832 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-01-26 05:39:10,832 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-01-26 05:39:11,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-26 05:39:11,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-26 05:39:11,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-26 05:39:11,072 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-26 05:39:11,088 INFO L274 PluginConnector]: CDTParser initialized [2024-01-26 05:39:11,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c [2024-01-26 05:39:12,252 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-26 05:39:12,391 INFO L384 CDTParser]: Found 1 translation units. [2024-01-26 05:39:12,391 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c [2024-01-26 05:39:12,396 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/cba40c172/11fbcaf4b2044f83bc063dc7e9424ca5/FLAGff0075e10 [2024-01-26 05:39:12,411 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/cba40c172/11fbcaf4b2044f83bc063dc7e9424ca5 [2024-01-26 05:39:12,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-26 05:39:12,416 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-26 05:39:12,417 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-26 05:39:12,417 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-26 05:39:12,421 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-26 05:39:12,421 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 05:39:12" (1/1) ... [2024-01-26 05:39:12,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72be4790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:39:12, skipping insertion in model container [2024-01-26 05:39:12,422 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 05:39:12" (1/1) ... [2024-01-26 05:39:12,442 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-26 05:39:12,576 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-mult-equiv.wvr.c[2630,2643] [2024-01-26 05:39:12,580 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 05:39:12,586 INFO L202 MainTranslator]: Completed pre-run [2024-01-26 05:39:12,601 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-mult-equiv.wvr.c[2630,2643] [2024-01-26 05:39:12,602 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 05:39:12,618 INFO L206 MainTranslator]: Completed translation [2024-01-26 05:39:12,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:39:12 WrapperNode [2024-01-26 05:39:12,619 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-26 05:39:12,621 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-26 05:39:12,621 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-26 05:39:12,621 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-26 05:39:12,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:39:12" (1/1) ... [2024-01-26 05:39:12,637 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:39:12" (1/1) ... [2024-01-26 05:39:12,650 INFO L138 Inliner]: procedures = 22, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2024-01-26 05:39:12,650 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-26 05:39:12,651 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-26 05:39:12,651 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-26 05:39:12,651 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-26 05:39:12,661 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:39:12" (1/1) ... [2024-01-26 05:39:12,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:39:12" (1/1) ... [2024-01-26 05:39:12,663 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:39:12" (1/1) ... [2024-01-26 05:39:12,664 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:39:12" (1/1) ... [2024-01-26 05:39:12,681 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:39:12" (1/1) ... [2024-01-26 05:39:12,684 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:39:12" (1/1) ... [2024-01-26 05:39:12,685 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:39:12" (1/1) ... [2024-01-26 05:39:12,686 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:39:12" (1/1) ... [2024-01-26 05:39:12,687 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-26 05:39:12,688 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-26 05:39:12,688 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-26 05:39:12,688 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-26 05:39:12,688 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:39:12" (1/1) ... [2024-01-26 05:39:12,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 05:39:12,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:39:12,723 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) [2024-01-26 05:39:12,741 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 [2024-01-26 05:39:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-26 05:39:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-26 05:39:12,749 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-26 05:39:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-26 05:39:12,749 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-26 05:39:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-26 05:39:12,749 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-26 05:39:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-01-26 05:39:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-26 05:39:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-01-26 05:39:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-26 05:39:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-26 05:39:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-26 05:39:12,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-26 05:39:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-01-26 05:39:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-26 05:39:12,751 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-26 05:39:12,814 INFO L241 CfgBuilder]: Building ICFG [2024-01-26 05:39:12,816 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-26 05:39:12,972 INFO L282 CfgBuilder]: Performing block encoding [2024-01-26 05:39:13,028 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-26 05:39:13,029 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-01-26 05:39:13,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 05:39:13 BoogieIcfgContainer [2024-01-26 05:39:13,029 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-26 05:39:13,031 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-26 05:39:13,031 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-26 05:39:13,033 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-26 05:39:13,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 05:39:12" (1/3) ... [2024-01-26 05:39:13,034 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@507eb4f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 05:39:13, skipping insertion in model container [2024-01-26 05:39:13,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:39:12" (2/3) ... [2024-01-26 05:39:13,034 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@507eb4f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 05:39:13, skipping insertion in model container [2024-01-26 05:39:13,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 05:39:13" (3/3) ... [2024-01-26 05:39:13,035 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-mult-equiv.wvr.c [2024-01-26 05:39:13,044 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-01-26 05:39:13,051 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-26 05:39:13,051 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-01-26 05:39:13,051 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-26 05:39:13,115 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-01-26 05:39:13,163 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 05:39:13,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-01-26 05:39:13,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:39:13,166 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) [2024-01-26 05:39:13,168 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 [2024-01-26 05:39:13,194 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-01-26 05:39:13,198 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-01-26 05:39:13,202 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;@6c89d824, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 05:39:13,202 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-01-26 05:39:13,313 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:39:13,316 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:39:13,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1736824020, now seen corresponding path program 1 times [2024-01-26 05:39:13,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:39:13,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089206472] [2024-01-26 05:39:13,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:39:13,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:39:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:39:13,667 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-01-26 05:39:13,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:39:13,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089206472] [2024-01-26 05:39:13,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089206472] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 05:39:13,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 05:39:13,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-26 05:39:13,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636050533] [2024-01-26 05:39:13,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 05:39:13,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-01-26 05:39:13,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:39:13,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-01-26 05:39:13,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-01-26 05:39:13,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:39:13,704 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:39:13,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 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) [2024-01-26 05:39:13,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:39:13,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:39:13,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-26 05:39:13,759 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:39:13,759 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:39:13,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1580083822, now seen corresponding path program 1 times [2024-01-26 05:39:13,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:39:13,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112474069] [2024-01-26 05:39:13,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:39:13,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:39:13,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:39:14,959 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:39:14,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:39:14,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112474069] [2024-01-26 05:39:14,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112474069] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:39:14,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [280588903] [2024-01-26 05:39:14,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:39:14,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:39:14,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:39:15,002 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) [2024-01-26 05:39:15,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-01-26 05:39:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:39:15,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 13 conjunts are in the unsatisfiable core [2024-01-26 05:39:15,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:39:15,844 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:39:15,844 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:39:16,473 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:39:16,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [280588903] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:39:16,474 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:39:16,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 23 [2024-01-26 05:39:16,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294740528] [2024-01-26 05:39:16,475 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:39:16,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-01-26 05:39:16,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:39:16,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-01-26 05:39:16,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=387, Unknown=0, NotChecked=0, Total=506 [2024-01-26 05:39:16,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:39:16,480 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:39:16,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 6.6521739130434785) internal successors, (153), 23 states have internal predecessors, (153), 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) [2024-01-26 05:39:16,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:39:16,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:39:16,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:39:16,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-01-26 05:39:17,003 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-01-26 05:39:17,200 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 [2024-01-26 05:39:17,201 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:39:17,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:39:17,201 INFO L85 PathProgramCache]: Analyzing trace with hash -288061486, now seen corresponding path program 1 times [2024-01-26 05:39:17,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:39:17,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008831087] [2024-01-26 05:39:17,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:39:17,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:39:17,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:39:18,087 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:39:18,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:39:18,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008831087] [2024-01-26 05:39:18,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008831087] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:39:18,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002394338] [2024-01-26 05:39:18,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:39:18,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:39:18,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:39:18,089 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) [2024-01-26 05:39:18,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-01-26 05:39:18,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:39:18,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 18 conjunts are in the unsatisfiable core [2024-01-26 05:39:18,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:39:19,037 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:39:19,037 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:39:19,671 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:39:19,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1002394338] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:39:19,671 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:39:19,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 12] total 31 [2024-01-26 05:39:19,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587519687] [2024-01-26 05:39:19,672 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:39:19,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-01-26 05:39:19,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:39:19,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-01-26 05:39:19,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=767, Unknown=0, NotChecked=0, Total=930 [2024-01-26 05:39:19,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:39:19,674 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:39:19,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 5.225806451612903) internal successors, (162), 31 states have internal predecessors, (162), 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) [2024-01-26 05:39:19,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:39:19,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-01-26 05:39:19,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:39:21,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:39:21,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-01-26 05:39:21,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-01-26 05:39:21,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-01-26 05:39:21,203 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 [2024-01-26 05:39:21,204 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:39:21,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:39:21,204 INFO L85 PathProgramCache]: Analyzing trace with hash 917503042, now seen corresponding path program 2 times [2024-01-26 05:39:21,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:39:21,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239055655] [2024-01-26 05:39:21,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:39:21,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:39:21,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:39:22,118 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:39:22,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:39:22,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239055655] [2024-01-26 05:39:22,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239055655] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:39:22,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596927471] [2024-01-26 05:39:22,120 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-01-26 05:39:22,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:39:22,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:39:22,121 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) [2024-01-26 05:39:22,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-01-26 05:39:22,201 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-01-26 05:39:22,201 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 05:39:22,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 22 conjunts are in the unsatisfiable core [2024-01-26 05:39:22,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:39:23,411 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:39:23,411 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:39:24,172 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:39:24,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [596927471] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:39:24,173 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:39:24,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 14, 14] total 40 [2024-01-26 05:39:24,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506724706] [2024-01-26 05:39:24,173 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:39:24,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-01-26 05:39:24,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:39:24,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-01-26 05:39:24,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=1301, Unknown=0, NotChecked=0, Total=1560 [2024-01-26 05:39:24,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:39:24,175 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:39:24,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 4.675) internal successors, (187), 40 states have internal predecessors, (187), 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) [2024-01-26 05:39:24,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:39:24,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-01-26 05:39:24,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-01-26 05:39:24,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:39:25,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:39:25,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-01-26 05:39:25,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-01-26 05:39:25,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-01-26 05:39:25,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-01-26 05:39:25,935 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 [2024-01-26 05:39:25,936 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:39:25,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:39:25,936 INFO L85 PathProgramCache]: Analyzing trace with hash -2143956616, now seen corresponding path program 3 times [2024-01-26 05:39:25,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:39:25,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272153088] [2024-01-26 05:39:25,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:39:25,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:39:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:39:26,983 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:39:26,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:39:26,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272153088] [2024-01-26 05:39:26,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272153088] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:39:26,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1378968431] [2024-01-26 05:39:26,984 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-01-26 05:39:26,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:39:26,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:39:26,987 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) [2024-01-26 05:39:27,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-01-26 05:39:27,169 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-01-26 05:39:27,169 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 05:39:27,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 32 conjunts are in the unsatisfiable core [2024-01-26 05:39:27,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:39:30,332 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:39:30,333 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:39:31,757 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:39:31,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1378968431] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:39:31,760 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:39:31,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 23, 21] total 60 [2024-01-26 05:39:31,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592529827] [2024-01-26 05:39:31,760 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:39:31,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-01-26 05:39:31,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:39:31,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-01-26 05:39:31,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=670, Invalid=2870, Unknown=0, NotChecked=0, Total=3540 [2024-01-26 05:39:31,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:39:31,764 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:39:31,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 3.35) internal successors, (201), 60 states have internal predecessors, (201), 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) [2024-01-26 05:39:31,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:39:31,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-01-26 05:39:31,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-01-26 05:39:31,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-01-26 05:39:31,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:39:37,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:39:37,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-01-26 05:39:37,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-01-26 05:39:37,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-01-26 05:39:37,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-01-26 05:39:37,538 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-01-26 05:39:37,730 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 [2024-01-26 05:39:37,731 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:39:37,731 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:39:37,731 INFO L85 PathProgramCache]: Analyzing trace with hash 2130346024, now seen corresponding path program 4 times [2024-01-26 05:39:37,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:39:37,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220817262] [2024-01-26 05:39:37,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:39:37,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:39:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:39:39,036 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:39:39,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:39:39,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220817262] [2024-01-26 05:39:39,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220817262] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:39:39,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920354717] [2024-01-26 05:39:39,037 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-01-26 05:39:39,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:39:39,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:39:39,038 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) [2024-01-26 05:39:39,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-01-26 05:39:39,114 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-01-26 05:39:39,114 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 05:39:39,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 32 conjunts are in the unsatisfiable core [2024-01-26 05:39:39,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:39:42,467 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:39:42,467 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:39:43,597 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:39:43,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920354717] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:39:43,597 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:39:43,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 18, 18] total 52 [2024-01-26 05:39:43,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399557247] [2024-01-26 05:39:43,597 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:39:43,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-01-26 05:39:43,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:39:43,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-01-26 05:39:43,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=406, Invalid=2246, Unknown=0, NotChecked=0, Total=2652 [2024-01-26 05:39:43,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:39:43,605 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:39:43,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 3.8653846153846154) internal successors, (201), 52 states have internal predecessors, (201), 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) [2024-01-26 05:39:43,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:39:43,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-01-26 05:39:43,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-01-26 05:39:43,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-01-26 05:39:43,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-01-26 05:39:43,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:39:50,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:39:50,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-01-26 05:39:50,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-01-26 05:39:50,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-01-26 05:39:50,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-01-26 05:39:50,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-01-26 05:39:50,128 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-01-26 05:39:50,323 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 [2024-01-26 05:39:50,323 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:39:50,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:39:50,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1743470622, now seen corresponding path program 5 times [2024-01-26 05:39:50,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:39:50,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236021131] [2024-01-26 05:39:50,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:39:50,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:39:50,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:39:51,812 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:39:51,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:39:51,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236021131] [2024-01-26 05:39:51,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236021131] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:39:51,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [291268891] [2024-01-26 05:39:51,813 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-01-26 05:39:51,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:39:51,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:39:51,814 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) [2024-01-26 05:39:51,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-01-26 05:39:52,154 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-01-26 05:39:52,154 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 05:39:52,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 40 conjunts are in the unsatisfiable core [2024-01-26 05:39:52,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:40:00,995 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:40:00,996 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:40:02,696 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:40:02,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [291268891] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:40:02,696 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:40:02,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 27, 24] total 73 [2024-01-26 05:40:02,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720863886] [2024-01-26 05:40:02,696 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:40:02,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-01-26 05:40:02,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:40:02,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-01-26 05:40:02,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=908, Invalid=4348, Unknown=0, NotChecked=0, Total=5256 [2024-01-26 05:40:02,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:40:02,699 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:40:02,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 3.191780821917808) internal successors, (233), 73 states have internal predecessors, (233), 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) [2024-01-26 05:40:02,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:40:02,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-01-26 05:40:02,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-01-26 05:40:02,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-01-26 05:40:02,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-01-26 05:40:02,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-01-26 05:40:02,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:40:14,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:40:16,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:40:19,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:40:19,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-01-26 05:40:19,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-01-26 05:40:19,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-01-26 05:40:19,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-01-26 05:40:19,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-01-26 05:40:19,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-01-26 05:40:19,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-01-26 05:40:20,119 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 [2024-01-26 05:40:20,120 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:40:20,120 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:40:20,120 INFO L85 PathProgramCache]: Analyzing trace with hash -2112341746, now seen corresponding path program 6 times [2024-01-26 05:40:20,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:40:20,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555067383] [2024-01-26 05:40:20,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:40:20,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:40:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:40:21,802 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 166 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:40:21,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:40:21,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555067383] [2024-01-26 05:40:21,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555067383] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:40:21,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [994689020] [2024-01-26 05:40:21,803 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-01-26 05:40:21,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:40:21,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:40:21,809 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) [2024-01-26 05:40:21,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-01-26 05:40:22,045 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2024-01-26 05:40:22,046 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 05:40:22,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 47 conjunts are in the unsatisfiable core [2024-01-26 05:40:22,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:40:39,866 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 166 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:40:39,866 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:40:42,399 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 166 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:40:42,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [994689020] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:40:42,399 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:40:42,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 33, 29] total 91 [2024-01-26 05:40:42,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338418245] [2024-01-26 05:40:42,399 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:40:42,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2024-01-26 05:40:42,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:40:42,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2024-01-26 05:40:42,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1418, Invalid=6772, Unknown=0, NotChecked=0, Total=8190 [2024-01-26 05:40:42,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:40:42,404 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:40:42,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 2.7252747252747254) internal successors, (248), 91 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-26 05:40:42,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:40:42,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-01-26 05:40:42,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-01-26 05:40:42,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-01-26 05:40:42,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-01-26 05:40:42,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-01-26 05:40:42,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-01-26 05:40:42,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:40:46,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:40:48,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:41:07,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:41:11,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:41:12,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:41:15,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:41:18,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:41:29,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:41:29,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:41:29,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-01-26 05:41:29,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-01-26 05:41:29,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-01-26 05:41:29,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-01-26 05:41:29,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-01-26 05:41:29,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-01-26 05:41:29,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-01-26 05:41:29,059 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-01-26 05:41:29,253 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 [2024-01-26 05:41:29,253 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:41:29,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:41:29,254 INFO L85 PathProgramCache]: Analyzing trace with hash -172469308, now seen corresponding path program 7 times [2024-01-26 05:41:29,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:41:29,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995234595] [2024-01-26 05:41:29,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:41:29,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:41:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:41:31,339 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 209 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:41:31,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:41:31,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995234595] [2024-01-26 05:41:31,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995234595] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:41:31,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547143363] [2024-01-26 05:41:31,339 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-01-26 05:41:31,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:41:31,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:41:31,340 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) [2024-01-26 05:41:31,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-01-26 05:41:31,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:41:31,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 42 conjunts are in the unsatisfiable core [2024-01-26 05:41:31,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:41:49,313 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 209 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:41:49,313 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:41:51,891 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 209 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:41:51,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547143363] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:41:51,892 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:41:51,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 24, 24] total 71 [2024-01-26 05:41:51,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479326679] [2024-01-26 05:41:51,893 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:41:51,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2024-01-26 05:41:51,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:41:51,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2024-01-26 05:41:51,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=707, Invalid=4263, Unknown=0, NotChecked=0, Total=4970 [2024-01-26 05:41:51,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:41:51,895 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:41:51,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 3.408450704225352) internal successors, (242), 71 states have internal predecessors, (242), 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) [2024-01-26 05:41:51,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:41:51,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-01-26 05:41:51,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-01-26 05:41:51,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-01-26 05:41:51,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-01-26 05:41:51,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-01-26 05:41:51,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-01-26 05:41:51,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-01-26 05:41:51,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:41:58,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:42:23,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:42:31,985 WARN L293 SmtUtils]: Spent 5.62s on a formula simplification. DAG size of input: 137 DAG size of output: 70 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-01-26 05:42:35,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:42:44,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:42:46,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:43:02,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:43:04,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:43:05,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:43:05,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-01-26 05:43:05,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-01-26 05:43:05,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-01-26 05:43:05,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-01-26 05:43:05,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-01-26 05:43:05,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-01-26 05:43:05,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-01-26 05:43:05,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-01-26 05:43:05,361 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-01-26 05:43:05,527 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 [2024-01-26 05:43:05,527 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:43:05,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:43:05,528 INFO L85 PathProgramCache]: Analyzing trace with hash -2084002060, now seen corresponding path program 8 times [2024-01-26 05:43:05,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:43:05,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387427320] [2024-01-26 05:43:05,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:43:05,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:43:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:43:07,813 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 257 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:43:07,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:43:07,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387427320] [2024-01-26 05:43:07,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387427320] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:43:07,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1526038114] [2024-01-26 05:43:07,814 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-01-26 05:43:07,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:43:07,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:43:07,815 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) [2024-01-26 05:43:07,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-01-26 05:43:07,910 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-01-26 05:43:07,910 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 05:43:07,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 46 conjunts are in the unsatisfiable core [2024-01-26 05:43:07,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:43:48,309 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 257 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:43:48,309 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:43:51,129 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 257 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:43:51,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1526038114] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:43:51,129 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:43:51,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 26, 26] total 79 [2024-01-26 05:43:51,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086785096] [2024-01-26 05:43:51,129 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:43:51,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2024-01-26 05:43:51,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:43:51,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2024-01-26 05:43:51,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=864, Invalid=5298, Unknown=0, NotChecked=0, Total=6162 [2024-01-26 05:43:51,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:43:51,138 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:43:51,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 3.2025316455696204) internal successors, (253), 79 states have internal predecessors, (253), 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) [2024-01-26 05:43:51,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:43:51,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-01-26 05:43:51,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-01-26 05:43:51,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-01-26 05:43:51,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-01-26 05:43:51,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-01-26 05:43:51,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-01-26 05:43:51,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-01-26 05:43:51,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-01-26 05:43:51,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:44:00,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:44:03,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-01-26 05:44:04,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-01-26 05:44:54,622 WARN L293 SmtUtils]: Spent 17.13s on a formula simplification. DAG size of input: 133 DAG size of output: 52 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-01-26 05:45:12,583 WARN L293 SmtUtils]: Spent 13.01s on a formula simplification. DAG size of input: 148 DAG size of output: 68 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-01-26 05:45:29,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:45:35,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:45:37,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:45:41,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:46:06,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:46:08,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:46:09,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:46:12,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:46:12,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:46:12,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-01-26 05:46:12,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-01-26 05:46:12,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-01-26 05:46:12,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-01-26 05:46:12,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-01-26 05:46:12,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-01-26 05:46:12,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-01-26 05:46:12,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-01-26 05:46:12,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-01-26 05:46:12,814 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-01-26 05:46:12,990 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 [2024-01-26 05:46:12,991 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:46:12,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:46:12,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1910469526, now seen corresponding path program 9 times [2024-01-26 05:46:12,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:46:12,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049279668] [2024-01-26 05:46:12,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:46:12,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:46:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:46:15,568 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:46:15,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:46:15,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049279668] [2024-01-26 05:46:15,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049279668] provided 0 perfect and 1 imperfect interpolant sequences [2024-01-26 05:46:15,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293337471] [2024-01-26 05:46:15,569 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-01-26 05:46:15,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-01-26 05:46:15,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:46:15,571 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) [2024-01-26 05:46:15,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-01-26 05:46:16,163 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2024-01-26 05:46:16,163 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-01-26 05:46:16,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 52 conjunts are in the unsatisfiable core [2024-01-26 05:46:16,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-01-26 05:47:27,086 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:47:27,086 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-01-26 05:47:30,882 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:47:30,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1293337471] provided 0 perfect and 2 imperfect interpolant sequences [2024-01-26 05:47:30,882 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-01-26 05:47:30,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 33, 31] total 105 [2024-01-26 05:47:30,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629635763] [2024-01-26 05:47:30,883 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-01-26 05:47:30,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 105 states [2024-01-26 05:47:30,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:47:30,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2024-01-26 05:47:30,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1638, Invalid=9280, Unknown=2, NotChecked=0, Total=10920 [2024-01-26 05:47:30,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:47:30,887 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:47:30,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 105 states, 105 states have (on average 2.7714285714285714) internal successors, (291), 105 states have internal predecessors, (291), 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) [2024-01-26 05:47:30,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:47:30,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-01-26 05:47:30,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-01-26 05:47:30,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-01-26 05:47:30,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-01-26 05:47:30,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-01-26 05:47:30,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-01-26 05:47:30,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-01-26 05:47:30,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-01-26 05:47:30,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-01-26 05:47:30,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:48:20,180 WARN L293 SmtUtils]: Spent 9.36s on a formula simplification. DAG size of input: 117 DAG size of output: 60 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-01-26 05:48:30,007 WARN L293 SmtUtils]: Spent 7.36s on a formula simplification. DAG size of input: 123 DAG size of output: 63 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-01-26 05:48:45,934 WARN L293 SmtUtils]: Spent 10.79s on a formula simplification. DAG size of input: 132 DAG size of output: 71 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-01-26 05:49:01,986 WARN L293 SmtUtils]: Spent 13.63s on a formula simplification. DAG size of input: 135 DAG size of output: 61 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-01-26 05:49:17,650 WARN L293 SmtUtils]: Spent 12.70s on a formula simplification. DAG size of input: 141 DAG size of output: 55 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-01-26 05:49:37,415 WARN L293 SmtUtils]: Spent 14.20s on a formula simplification. DAG size of input: 143 DAG size of output: 71 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-01-26 05:49:55,920 WARN L293 SmtUtils]: Spent 13.09s on a formula simplification. DAG size of input: 157 DAG size of output: 70 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-01-26 05:49:57,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:50:17,019 WARN L293 SmtUtils]: Spent 14.99s on a formula simplification. DAG size of input: 164 DAG size of output: 62 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-01-26 05:50:46,948 WARN L293 SmtUtils]: Spent 21.67s on a formula simplification. DAG size of input: 141 DAG size of output: 57 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-01-26 05:51:15,115 WARN L293 SmtUtils]: Spent 18.30s on a formula simplification. DAG size of input: 148 DAG size of output: 81 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-01-26 05:51:40,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:51:43,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:51:45,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:51:47,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:51:52,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:51:55,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:51:57,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:51:59,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:52:00,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:52:01,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:52:04,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:52:06,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:52:10,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:52:12,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:52:15,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:52:17,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:52:18,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:52:20,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:52:24,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:52:26,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:52:28,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:52:31,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:52:33,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:52:35,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:52:37,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:53:30,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:53:33,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:53:36,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-01-26 05:53:39,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] Received shutdown request... [2024-01-26 05:53:39,619 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 [2024-01-26 05:53:39,632 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 [2024-01-26 05:53:39,660 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-01-26 05:53:40,628 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-01-26 05:53:40,682 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-01-26 05:53:40,833 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2024-01-26 05:53:40,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-01-26 05:53:40,843 WARN L619 AbstractCegarLoop]: Verification canceled: while executing Executor. [2024-01-26 05:53:40,845 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-01-26 05:53:40,847 INFO L445 BasicCegarLoop]: Path program histogram: [9, 1, 1] [2024-01-26 05:53:40,848 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/4) [2024-01-26 05:53:40,849 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-26 05:53:40,849 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-26 05:53:40,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.01 05:53:40 BasicIcfg [2024-01-26 05:53:40,851 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-26 05:53:40,851 INFO L158 Benchmark]: Toolchain (without parser) took 868435.78ms. Allocated memory was 237.0MB in the beginning and 526.4MB in the end (delta: 289.4MB). Free memory was 184.7MB in the beginning and 182.4MB in the end (delta: 2.3MB). Peak memory consumption was 293.3MB. Max. memory is 8.0GB. [2024-01-26 05:53:40,851 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 197.1MB. Free memory is still 143.7MB. There was no memory consumed. Max. memory is 8.0GB. [2024-01-26 05:53:40,852 INFO L158 Benchmark]: CACSL2BoogieTranslator took 202.44ms. Allocated memory is still 237.0MB. Free memory was 184.7MB in the beginning and 172.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-01-26 05:53:40,855 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.69ms. Allocated memory is still 237.0MB. Free memory was 172.7MB in the beginning and 171.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-01-26 05:53:40,856 INFO L158 Benchmark]: Boogie Preprocessor took 36.41ms. Allocated memory is still 237.0MB. Free memory was 171.1MB in the beginning and 169.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-01-26 05:53:40,856 INFO L158 Benchmark]: RCFGBuilder took 341.49ms. Allocated memory is still 237.0MB. Free memory was 169.5MB in the beginning and 151.7MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2024-01-26 05:53:40,856 INFO L158 Benchmark]: TraceAbstraction took 867820.30ms. Allocated memory was 237.0MB in the beginning and 526.4MB in the end (delta: 289.4MB). Free memory was 151.2MB in the beginning and 182.4MB in the end (delta: -31.2MB). Peak memory consumption was 259.8MB. Max. memory is 8.0GB. [2024-01-26 05:53:40,858 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks [2024-01-26 05:53:40,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 197.1MB. Free memory is still 143.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 202.44ms. Allocated memory is still 237.0MB. Free memory was 184.7MB in the beginning and 172.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.69ms. Allocated memory is still 237.0MB. Free memory was 172.7MB in the beginning and 171.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.41ms. Allocated memory is still 237.0MB. Free memory was 171.1MB in the beginning and 169.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 341.49ms. Allocated memory is still 237.0MB. Free memory was 169.5MB in the beginning and 151.7MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 867820.30ms. Allocated memory was 237.0MB in the beginning and 526.4MB in the end (delta: 289.4MB). Free memory was 151.2MB in the beginning and 182.4MB in the end (delta: -31.2MB). Peak memory consumption was 259.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3184, independent: 2881, independent conditional: 2881, independent unconditional: 0, dependent: 303, dependent conditional: 303, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2895, independent: 2881, independent conditional: 2881, independent unconditional: 0, dependent: 14, dependent conditional: 14, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2895, independent: 2881, independent conditional: 2881, independent unconditional: 0, dependent: 14, dependent conditional: 14, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2962, independent: 2881, independent conditional: 0, independent unconditional: 2881, dependent: 81, dependent conditional: 67, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2962, independent: 2881, independent conditional: 0, independent unconditional: 2881, dependent: 81, dependent conditional: 0, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2962, independent: 2881, independent conditional: 0, independent unconditional: 2881, dependent: 81, dependent conditional: 0, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 108, independent: 105, independent conditional: 0, independent unconditional: 105, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 108, independent: 105, independent conditional: 0, independent unconditional: 105, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 49, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2962, independent: 2776, independent conditional: 0, independent unconditional: 2776, dependent: 78, dependent conditional: 0, dependent unconditional: 78, unknown: 108, unknown conditional: 0, unknown unconditional: 108] , Statistics on independence cache: Total cache size (in pairs): 108, Positive cache size: 105, Positive conditional cache size: 0, Positive unconditional cache size: 105, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 67, Maximal queried relation: 11, Independence queries for same thread: 289 - TimeoutResultAtElement [Line: 105]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 7 procedures, 117 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 867.7s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 9, EmptinessCheckTime: 664.7s, 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: 381, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 198.1s InterpolantComputationTime, 2167 NumberOfCodeBlocks, 2167 NumberOfCodeBlocksAsserted, 59 NumberOfCheckSat, 3179 ConstructedInterpolants, 0 QuantifiedInterpolants, 45428 SizeOfPredicates, 102 NumberOfNonLiveVariables, 2640 ConjunctsInSsa, 344 ConjunctsInUnsatCore, 31 InterpolantComputations, 1 PerfectInterpolantSequences, 6/3930 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