/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/stack_longer-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-e23131f-m [2024-05-02 23:42:55,222 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-02 23:42:55,279 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-05-02 23:42:55,282 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-02 23:42:55,283 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-02 23:42:55,283 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-05-02 23:42:55,313 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-02 23:42:55,314 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-02 23:42:55,314 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-02 23:42:55,317 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-02 23:42:55,318 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-02 23:42:55,318 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-02 23:42:55,318 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-02 23:42:55,320 INFO L153 SettingsManager]: * Use SBE=true [2024-05-02 23:42:55,320 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-02 23:42:55,320 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-02 23:42:55,320 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-02 23:42:55,320 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-02 23:42:55,321 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-02 23:42:55,321 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-02 23:42:55,321 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-02 23:42:55,321 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-02 23:42:55,322 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-02 23:42:55,322 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-02 23:42:55,322 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-02 23:42:55,322 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-02 23:42:55,322 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-02 23:42:55,322 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-02 23:42:55,323 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-02 23:42:55,323 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-02 23:42:55,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-02 23:42:55,324 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-02 23:42:55,324 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-02 23:42:55,324 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-05-02 23:42:55,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-02 23:42:55,325 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-02 23:42:55,325 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-05-02 23:42:55,325 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-05-02 23:42:55,325 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-02 23:42:55,325 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-02 23:42:55,326 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-02 23:42:55,326 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-02 23:42:55,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-02 23:42:55,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-02 23:42:55,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-02 23:42:55,581 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-02 23:42:55,582 INFO L274 PluginConnector]: CDTParser initialized [2024-05-02 23:42:55,583 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/stack_longer-2.i [2024-05-02 23:42:56,759 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-02 23:42:56,967 INFO L384 CDTParser]: Found 1 translation units. [2024-05-02 23:42:56,967 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-2.i [2024-05-02 23:42:56,979 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/49d0f2673/fb764ec6b3284536b394d7d323555647/FLAG398fc40bf [2024-05-02 23:42:56,989 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/49d0f2673/fb764ec6b3284536b394d7d323555647 [2024-05-02 23:42:56,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-02 23:42:56,992 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-02 23:42:56,993 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-02 23:42:56,993 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-02 23:42:56,999 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-02 23:42:57,000 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 11:42:56" (1/1) ... [2024-05-02 23:42:57,000 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bdf7d79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:42:57, skipping insertion in model container [2024-05-02 23:42:57,001 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 11:42:56" (1/1) ... [2024-05-02 23:42:57,043 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-02 23:42:57,357 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-2.i[41529,41542] [2024-05-02 23:42:57,393 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-02 23:42:57,407 INFO L202 MainTranslator]: Completed pre-run [2024-05-02 23:42:57,480 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-2.i[41529,41542] [2024-05-02 23:42:57,489 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-02 23:42:57,528 INFO L206 MainTranslator]: Completed translation [2024-05-02 23:42:57,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:42:57 WrapperNode [2024-05-02 23:42:57,529 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-02 23:42:57,530 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-02 23:42:57,530 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-02 23:42:57,530 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-02 23:42:57,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:42:57" (1/1) ... [2024-05-02 23:42:57,554 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:42:57" (1/1) ... [2024-05-02 23:42:57,587 INFO L138 Inliner]: procedures = 278, calls = 40, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 156 [2024-05-02 23:42:57,588 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-02 23:42:57,588 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-02 23:42:57,589 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-02 23:42:57,589 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-02 23:42:57,596 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:42:57" (1/1) ... [2024-05-02 23:42:57,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:42:57" (1/1) ... [2024-05-02 23:42:57,609 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:42:57" (1/1) ... [2024-05-02 23:42:57,609 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:42:57" (1/1) ... [2024-05-02 23:42:57,614 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:42:57" (1/1) ... [2024-05-02 23:42:57,627 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:42:57" (1/1) ... [2024-05-02 23:42:57,628 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:42:57" (1/1) ... [2024-05-02 23:42:57,629 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:42:57" (1/1) ... [2024-05-02 23:42:57,631 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-02 23:42:57,632 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-02 23:42:57,632 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-02 23:42:57,632 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-02 23:42:57,633 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:42:57" (1/1) ... [2024-05-02 23:42:57,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-02 23:42:57,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-02 23:42:57,686 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-02 23:42:57,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-02 23:42:57,736 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-05-02 23:42:57,736 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-05-02 23:42:57,737 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-05-02 23:42:57,737 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-05-02 23:42:57,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-02 23:42:57,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-02 23:42:57,737 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-05-02 23:42:57,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-02 23:42:57,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-02 23:42:57,737 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-05-02 23:42:57,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-02 23:42:57,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-02 23:42:57,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-02 23:42:57,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-02 23:42:57,739 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-02 23:42:57,838 INFO L241 CfgBuilder]: Building ICFG [2024-05-02 23:42:57,839 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-02 23:42:58,010 INFO L282 CfgBuilder]: Performing block encoding [2024-05-02 23:42:58,031 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-02 23:42:58,031 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-05-02 23:42:58,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 11:42:58 BoogieIcfgContainer [2024-05-02 23:42:58,032 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-02 23:42:58,033 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-02 23:42:58,033 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-02 23:42:58,036 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-02 23:42:58,036 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.05 11:42:56" (1/3) ... [2024-05-02 23:42:58,036 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b288bae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 11:42:58, skipping insertion in model container [2024-05-02 23:42:58,036 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 11:42:57" (2/3) ... [2024-05-02 23:42:58,037 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b288bae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 11:42:58, skipping insertion in model container [2024-05-02 23:42:58,037 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 11:42:58" (3/3) ... [2024-05-02 23:42:58,037 INFO L112 eAbstractionObserver]: Analyzing ICFG stack_longer-2.i [2024-05-02 23:42:58,044 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-02 23:42:58,050 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-02 23:42:58,051 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-05-02 23:42:58,051 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-02 23:42:58,132 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-02 23:42:58,170 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-02 23:42:58,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-02 23:42:58,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-02 23:42:58,184 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-02 23:42:58,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-02 23:42:58,220 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-02 23:42:58,226 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2024-05-02 23:42:58,232 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@66258d79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-02 23:42:58,232 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-02 23:42:58,239 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-02 23:42:58,254 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 26 states. [2024-05-02 23:42:58,255 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-02 23:42:58,257 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-05-02 23:42:58,262 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-02 23:42:58,264 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (1/6) [2024-05-02 23:42:58,275 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-02 23:42:58,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-02 23:42:58,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-02 23:42:58,306 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-02 23:42:58,311 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-02 23:42:58,311 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2024-05-02 23:42:58,312 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@66258d79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-02 23:42:58,312 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-02 23:42:58,312 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-02 23:42:58,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-05-02 23:42:58,357 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:42:58,358 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-02 23:42:58,358 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-02 23:42:58,491 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:42:58,491 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-02 23:42:58,491 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-02 23:42:58,565 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:42:58,565 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-02 23:42:58,565 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-02 23:42:58,659 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:42:58,659 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-02 23:42:58,659 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-02 23:42:58,690 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:42:58,690 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-02 23:42:58,690 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-02 23:42:58,709 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:42:58,709 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-02 23:42:58,709 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-02 23:42:58,709 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 362 states. [2024-05-02 23:42:58,710 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-02 23:42:58,710 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-05-02 23:42:58,711 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-02 23:42:58,712 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/6) [2024-05-02 23:42:58,714 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-02 23:42:58,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-02 23:42:58,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-02 23:42:58,717 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-02 23:42:58,724 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-02 23:42:58,724 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Err0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-02 23:42:58,725 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@66258d79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-02 23:42:58,725 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-02 23:42:58,725 WARN L438 OrderReductionFacade]: DynamicStratifiedReduction did not find any initial state. Returning directly. [2024-05-02 23:42:58,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-02 23:42:58,727 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-02 23:42:58,727 INFO L308 ceAbstractionStarter]: Result for error location t1Err0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (3/6) [2024-05-02 23:42:58,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2024-05-02 23:42:58,734 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-02 23:42:58,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-02 23:42:58,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-02 23:42:58,740 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-02 23:42:58,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2024-05-02 23:42:58,748 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-02 23:42:58,749 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2Err0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-02 23:42:58,749 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@66258d79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-02 23:42:58,749 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-02 23:42:58,749 WARN L438 OrderReductionFacade]: DynamicStratifiedReduction did not find any initial state. Returning directly. [2024-05-02 23:42:58,750 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-02 23:42:58,750 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-02 23:42:58,751 INFO L308 ceAbstractionStarter]: Result for error location t2Err0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (4/6) [2024-05-02 23:42:58,753 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-02 23:42:58,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-02 23:42:58,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-02 23:42:58,766 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-02 23:42:58,771 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-02 23:42:58,772 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Err0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-02 23:42:58,772 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@66258d79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-02 23:42:58,772 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-02 23:42:58,772 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-02 23:42:58,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2024-05-02 23:42:58,775 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 95 states. [2024-05-02 23:42:58,778 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-02 23:42:58,781 INFO L78 Accepts]: Start accepts. Automaton has currently 96 states, but on-demand construction may add more states Word has length 59 [2024-05-02 23:42:58,783 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-02 23:42:58,783 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-02 23:42:58,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-02 23:42:58,787 INFO L85 PathProgramCache]: Analyzing trace with hash -572328183, now seen corresponding path program 1 times [2024-05-02 23:42:58,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-02 23:42:58,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888792457] [2024-05-02 23:42:58,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-02 23:42:58,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-02 23:42:58,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-02 23:42:59,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-02 23:42:59,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-02 23:42:59,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888792457] [2024-05-02 23:42:59,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888792457] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-02 23:42:59,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-02 23:42:59,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-02 23:42:59,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905358883] [2024-05-02 23:42:59,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-02 23:42:59,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-02 23:42:59,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-02 23:42:59,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-02 23:42:59,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-02 23:42:59,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:42:59,099 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-02 23:42:59,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-02 23:42:59,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:42:59,100 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-02 23:42:59,183 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:42:59,183 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-02 23:42:59,183 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-02 23:42:59,244 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:42:59,245 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-02 23:42:59,245 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-02 23:42:59,272 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:42:59,273 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-02 23:42:59,275 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-02 23:42:59,307 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:42:59,308 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-02 23:42:59,312 INFO L370 cStratifiedReduction]: Actual level: [] [2024-05-02 23:42:59,314 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 284 states. [2024-05-02 23:42:59,314 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-02 23:42:59,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:42:59,315 INFO L78 Accepts]: Start accepts. Automaton has currently 466 states, but on-demand construction may add more states Word has length 58 [2024-05-02 23:42:59,315 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-02 23:42:59,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-02 23:42:59,316 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-02 23:42:59,316 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-02 23:42:59,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1900355689, now seen corresponding path program 1 times [2024-05-02 23:42:59,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-02 23:42:59,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659655585] [2024-05-02 23:42:59,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-02 23:42:59,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-02 23:42:59,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-02 23:42:59,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-02 23:42:59,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-02 23:42:59,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659655585] [2024-05-02 23:42:59,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659655585] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-02 23:42:59,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-02 23:42:59,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-02 23:42:59,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643243] [2024-05-02 23:42:59,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-02 23:42:59,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-02 23:42:59,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-02 23:42:59,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-02 23:42:59,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-02 23:42:59,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:42:59,502 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-02 23:42:59,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-02 23:42:59,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:42:59,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:42:59,503 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-02 23:42:59,526 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:42:59,526 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-02 23:42:59,526 INFO L370 cStratifiedReduction]: Actual level: [~top~0] [2024-05-02 23:42:59,530 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:42:59,530 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0] [2024-05-02 23:42:59,531 INFO L370 cStratifiedReduction]: Actual level: [~top~0] [2024-05-02 23:42:59,539 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:42:59,540 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0] [2024-05-02 23:42:59,541 INFO L370 cStratifiedReduction]: Actual level: [~top~0] [2024-05-02 23:42:59,548 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:42:59,548 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0] [2024-05-02 23:42:59,548 INFO L370 cStratifiedReduction]: Actual level: [~top~0] [2024-05-02 23:42:59,554 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:42:59,555 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0] [2024-05-02 23:42:59,555 INFO L370 cStratifiedReduction]: Actual level: [~top~0] [2024-05-02 23:42:59,567 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 199 states. [2024-05-02 23:42:59,567 INFO L212 cStratifiedReduction]: Copied states 11 times. [2024-05-02 23:42:59,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:42:59,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-02 23:42:59,568 INFO L78 Accepts]: Start accepts. Automaton has currently 254 states, but on-demand construction may add more states Word has length 68 [2024-05-02 23:42:59,568 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-02 23:42:59,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-02 23:42:59,569 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-02 23:42:59,569 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-02 23:42:59,569 INFO L85 PathProgramCache]: Analyzing trace with hash 671292220, now seen corresponding path program 1 times [2024-05-02 23:42:59,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-02 23:42:59,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446555144] [2024-05-02 23:42:59,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-02 23:42:59,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-02 23:42:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-02 23:42:59,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-02 23:42:59,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-02 23:42:59,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446555144] [2024-05-02 23:42:59,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446555144] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-02 23:42:59,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-02 23:42:59,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-05-02 23:42:59,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604324182] [2024-05-02 23:42:59,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-02 23:42:59,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-02 23:42:59,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-02 23:42:59,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-02 23:42:59,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-05-02 23:42:59,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:42:59,695 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-02 23:42:59,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-02 23:42:59,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:42:59,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-02 23:42:59,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:42:59,696 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-02 23:42:59,727 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:42:59,728 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-02 23:42:59,728 INFO L370 cStratifiedReduction]: Actual level: [~top~0] [2024-05-02 23:42:59,731 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:42:59,731 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0] [2024-05-02 23:42:59,731 INFO L370 cStratifiedReduction]: Actual level: [~top~0] [2024-05-02 23:42:59,738 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:42:59,738 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0] [2024-05-02 23:42:59,738 INFO L370 cStratifiedReduction]: Actual level: [~top~0] [2024-05-02 23:42:59,745 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:42:59,745 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0] [2024-05-02 23:42:59,745 INFO L370 cStratifiedReduction]: Actual level: [~top~0] [2024-05-02 23:42:59,751 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:42:59,751 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0] [2024-05-02 23:42:59,751 INFO L370 cStratifiedReduction]: Actual level: [~top~0] [2024-05-02 23:42:59,794 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:42:59,794 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0] [2024-05-02 23:42:59,794 INFO L370 cStratifiedReduction]: Actual level: [~top~0] [2024-05-02 23:42:59,804 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:42:59,804 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-02 23:42:59,804 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1] [2024-05-02 23:42:59,809 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:42:59,809 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1] [2024-05-02 23:42:59,809 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1] [2024-05-02 23:42:59,813 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:42:59,814 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1] [2024-05-02 23:42:59,814 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1] [2024-05-02 23:42:59,826 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:42:59,826 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1] [2024-05-02 23:42:59,826 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1] [2024-05-02 23:42:59,835 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:42:59,836 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1] [2024-05-02 23:42:59,836 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1] [2024-05-02 23:42:59,846 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:42:59,847 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1] [2024-05-02 23:42:59,847 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1] [2024-05-02 23:42:59,854 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:42:59,854 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1] [2024-05-02 23:42:59,854 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1] [2024-05-02 23:42:59,868 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:42:59,868 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1] [2024-05-02 23:42:59,869 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1] [2024-05-02 23:42:59,883 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:42:59,883 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1] [2024-05-02 23:42:59,883 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1] [2024-05-02 23:42:59,894 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 598 states. [2024-05-02 23:42:59,894 INFO L212 cStratifiedReduction]: Copied states 72 times. [2024-05-02 23:42:59,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:42:59,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-02 23:42:59,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-02 23:42:59,894 INFO L78 Accepts]: Start accepts. Automaton has currently 708 states, but on-demand construction may add more states Word has length 99 [2024-05-02 23:42:59,897 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-02 23:42:59,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-02 23:42:59,897 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-02 23:42:59,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-02 23:42:59,897 INFO L85 PathProgramCache]: Analyzing trace with hash -919895656, now seen corresponding path program 1 times [2024-05-02 23:42:59,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-02 23:42:59,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516458342] [2024-05-02 23:42:59,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-02 23:42:59,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-02 23:42:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-02 23:43:00,083 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-02 23:43:00,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-02 23:43:00,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516458342] [2024-05-02 23:43:00,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516458342] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-02 23:43:00,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639369402] [2024-05-02 23:43:00,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-02 23:43:00,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-02 23:43:00,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-02 23:43:00,088 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-02 23:43:00,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-02 23:43:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-02 23:43:00,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 4 conjunts are in the unsatisfiable core [2024-05-02 23:43:00,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-02 23:43:00,433 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-02 23:43:00,433 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-02 23:43:00,538 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-02 23:43:00,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639369402] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-02 23:43:00,538 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-02 23:43:00,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-05-02 23:43:00,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840972510] [2024-05-02 23:43:00,538 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-02 23:43:00,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-05-02 23:43:00,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-02 23:43:00,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-05-02 23:43:00,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-05-02 23:43:00,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:43:00,542 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-02 23:43:00,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 23.5) internal successors, (235), 10 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-02 23:43:00,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:43:00,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-02 23:43:00,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-02 23:43:00,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:43:00,543 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-02 23:43:00,573 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:00,573 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-02 23:43:00,573 INFO L370 cStratifiedReduction]: Actual level: [~top~0] [2024-05-02 23:43:00,575 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:00,575 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0] [2024-05-02 23:43:00,576 INFO L370 cStratifiedReduction]: Actual level: [~top~0] [2024-05-02 23:43:00,583 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:00,583 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0] [2024-05-02 23:43:00,583 INFO L370 cStratifiedReduction]: Actual level: [~top~0] [2024-05-02 23:43:00,588 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:00,589 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0] [2024-05-02 23:43:00,589 INFO L370 cStratifiedReduction]: Actual level: [~top~0] [2024-05-02 23:43:00,593 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:00,593 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0] [2024-05-02 23:43:00,593 INFO L370 cStratifiedReduction]: Actual level: [~top~0] [2024-05-02 23:43:00,632 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:00,632 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:00,632 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:00,658 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:00,659 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:00,659 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:00,660 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:00,660 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-02 23:43:00,660 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:00,669 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:00,669 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:00,669 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:00,673 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:00,673 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:00,673 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:00,674 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:00,674 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:00,674 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:00,687 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:00,687 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:00,687 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:00,708 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:00,708 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:00,708 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:00,710 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:00,710 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:00,710 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:00,720 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:00,721 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:00,721 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:00,736 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:00,736 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:00,736 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:00,737 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:00,737 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:00,737 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:00,748 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:00,749 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:00,749 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:00,771 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:00,772 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:00,772 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:00,773 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:00,773 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:00,773 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:00,856 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 985 states. [2024-05-02 23:43:00,856 INFO L212 cStratifiedReduction]: Copied states 84 times. [2024-05-02 23:43:00,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:43:00,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-02 23:43:00,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-02 23:43:00,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-02 23:43:00,858 INFO L78 Accepts]: Start accepts. Automaton has currently 1083 states, but on-demand construction may add more states Word has length 181 [2024-05-02 23:43:00,859 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-02 23:43:00,870 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-02 23:43:01,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-02 23:43:01,067 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-02 23:43:01,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-02 23:43:01,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1470096200, now seen corresponding path program 2 times [2024-05-02 23:43:01,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-02 23:43:01,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235692465] [2024-05-02 23:43:01,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-02 23:43:01,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-02 23:43:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-02 23:43:01,316 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 15 proven. 177 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-02 23:43:01,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-02 23:43:01,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235692465] [2024-05-02 23:43:01,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235692465] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-02 23:43:01,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1751356765] [2024-05-02 23:43:01,317 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-02 23:43:01,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-02 23:43:01,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-02 23:43:01,318 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-02 23:43:01,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-02 23:43:01,435 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-02 23:43:01,435 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-02 23:43:01,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 8 conjunts are in the unsatisfiable core [2024-05-02 23:43:01,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-02 23:43:01,627 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 15 proven. 177 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-02 23:43:01,627 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-02 23:43:01,826 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 15 proven. 177 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-02 23:43:01,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1751356765] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-02 23:43:01,826 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-02 23:43:01,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-05-02 23:43:01,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688913180] [2024-05-02 23:43:01,826 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-02 23:43:01,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-05-02 23:43:01,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-02 23:43:01,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-05-02 23:43:01,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-05-02 23:43:01,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:43:01,829 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-02 23:43:01,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 22.166666666666668) internal successors, (399), 18 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-02 23:43:01,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:43:01,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-02 23:43:01,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-02 23:43:01,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-02 23:43:01,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:43:01,830 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-02 23:43:01,866 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:01,866 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-02 23:43:01,866 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:01,869 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:01,869 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:01,870 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:01,875 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:01,875 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:01,875 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:01,882 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:01,882 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:01,882 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:01,886 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:01,886 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:01,886 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:01,928 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:01,928 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:01,928 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:01,974 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:01,974 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:01,974 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:01,975 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:01,975 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-02 23:43:01,975 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:01,983 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:01,984 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:01,984 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:01,986 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:01,987 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:01,987 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:01,987 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:01,987 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:01,987 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:01,999 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:02,000 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:02,000 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:02,021 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:02,021 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:02,021 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:02,023 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:02,023 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:02,023 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:02,033 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:02,033 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:02,033 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:02,047 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:02,047 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:02,047 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:02,048 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:02,048 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:02,048 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:02,059 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:02,059 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:02,060 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:02,075 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:02,075 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:02,075 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:02,076 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:02,076 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:02,076 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:02,381 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1630 states. [2024-05-02 23:43:02,382 INFO L212 cStratifiedReduction]: Copied states 84 times. [2024-05-02 23:43:02,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:43:02,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-02 23:43:02,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-02 23:43:02,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-02 23:43:02,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-02 23:43:02,382 INFO L78 Accepts]: Start accepts. Automaton has currently 1728 states, but on-demand construction may add more states Word has length 345 [2024-05-02 23:43:02,383 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-02 23:43:02,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-02 23:43:02,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-02 23:43:02,589 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-02 23:43:02,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-02 23:43:02,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1437418760, now seen corresponding path program 3 times [2024-05-02 23:43:02,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-02 23:43:02,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783296834] [2024-05-02 23:43:02,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-02 23:43:02,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-02 23:43:02,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-02 23:43:03,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 35 proven. 987 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-02 23:43:03,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-02 23:43:03,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783296834] [2024-05-02 23:43:03,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783296834] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-02 23:43:03,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594874361] [2024-05-02 23:43:03,092 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-02 23:43:03,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-02 23:43:03,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-02 23:43:03,093 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-02 23:43:03,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-02 23:43:03,411 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-05-02 23:43:03,411 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-02 23:43:03,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 700 conjuncts, 16 conjunts are in the unsatisfiable core [2024-05-02 23:43:03,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-02 23:43:03,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 35 proven. 987 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-02 23:43:03,748 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-02 23:43:04,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1022 backedges. 35 proven. 987 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-02 23:43:04,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594874361] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-02 23:43:04,276 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-02 23:43:04,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-05-02 23:43:04,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622600272] [2024-05-02 23:43:04,276 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-02 23:43:04,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-05-02 23:43:04,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-02 23:43:04,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-05-02 23:43:04,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-05-02 23:43:04,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:43:04,279 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-02 23:43:04,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 21.38235294117647) internal successors, (727), 34 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-02 23:43:04,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:43:04,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-02 23:43:04,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-02 23:43:04,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-02 23:43:04,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-02 23:43:04,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:43:04,280 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-02 23:43:04,298 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:04,299 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-02 23:43:04,299 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:04,301 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:04,301 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:04,301 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:04,307 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:04,307 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:04,307 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:04,311 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:04,312 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:04,312 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:04,318 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:04,318 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:04,318 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:04,354 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:04,354 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:04,354 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:04,379 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:04,379 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:04,379 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:04,380 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:04,380 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-02 23:43:04,380 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:04,390 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:04,390 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:04,390 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:04,392 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:04,392 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:04,392 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:04,393 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:04,393 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:04,393 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:04,403 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:04,403 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:04,403 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:04,419 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:04,419 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:04,419 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:04,420 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:04,420 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:04,421 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:04,429 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:04,429 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:04,429 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:04,441 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:04,441 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:04,441 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:04,442 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:04,442 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:04,442 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:04,450 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:04,451 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:04,451 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:04,462 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:04,462 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:04,462 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:04,463 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:04,463 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:04,464 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:05,281 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 2919 states. [2024-05-02 23:43:05,281 INFO L212 cStratifiedReduction]: Copied states 84 times. [2024-05-02 23:43:05,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:43:05,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-02 23:43:05,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-02 23:43:05,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-02 23:43:05,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-02 23:43:05,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-02 23:43:05,282 INFO L78 Accepts]: Start accepts. Automaton has currently 3017 states, but on-demand construction may add more states Word has length 673 [2024-05-02 23:43:05,284 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-02 23:43:05,293 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-05-02 23:43:05,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-02 23:43:05,490 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-02 23:43:05,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-02 23:43:05,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1764386952, now seen corresponding path program 4 times [2024-05-02 23:43:05,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-02 23:43:05,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135756012] [2024-05-02 23:43:05,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-02 23:43:05,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-02 23:43:05,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-02 23:43:06,933 INFO L134 CoverageAnalysis]: Checked inductivity of 4650 backedges. 75 proven. 4575 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-02 23:43:06,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-02 23:43:06,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135756012] [2024-05-02 23:43:06,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135756012] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-02 23:43:06,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [396974086] [2024-05-02 23:43:06,933 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-02 23:43:06,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-02 23:43:06,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-02 23:43:06,936 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-02 23:43:06,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-02 23:43:08,601 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-02 23:43:08,602 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-02 23:43:08,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 1324 conjuncts, 32 conjunts are in the unsatisfiable core [2024-05-02 23:43:08,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-02 23:43:09,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4650 backedges. 75 proven. 4575 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-02 23:43:09,274 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-02 23:43:10,392 INFO L134 CoverageAnalysis]: Checked inductivity of 4650 backedges. 75 proven. 4575 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-02 23:43:10,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [396974086] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-02 23:43:10,393 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-02 23:43:10,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 66 [2024-05-02 23:43:10,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409018333] [2024-05-02 23:43:10,405 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-02 23:43:10,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2024-05-02 23:43:10,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-02 23:43:10,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2024-05-02 23:43:10,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1122, Invalid=3168, Unknown=0, NotChecked=0, Total=4290 [2024-05-02 23:43:10,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:43:10,416 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-02 23:43:10,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 20.954545454545453) internal successors, (1383), 66 states have internal predecessors, (1383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-02 23:43:10,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:43:10,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-02 23:43:10,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-02 23:43:10,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-02 23:43:10,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-02 23:43:10,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-02 23:43:10,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:43:10,417 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-02 23:43:10,449 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:10,449 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-02 23:43:10,449 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:10,451 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:10,451 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:10,451 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:10,455 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:10,455 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:10,455 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:10,459 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:10,459 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:10,459 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:10,462 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:10,463 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:10,463 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:10,501 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:10,501 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:10,501 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:10,527 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:10,527 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:10,527 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:10,528 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:10,528 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-02 23:43:10,528 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:10,535 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:10,535 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:10,535 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:10,537 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:10,537 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:10,537 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:10,538 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:10,538 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:10,538 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:10,547 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:10,548 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:10,548 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:10,562 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:10,562 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:10,562 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:10,563 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:10,563 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:10,563 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:10,604 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:10,604 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:10,604 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:10,615 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:10,615 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:10,615 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:10,616 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:10,616 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:10,616 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:10,623 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:10,623 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:10,623 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:10,633 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:10,633 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:10,633 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:10,637 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:43:10,637 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:10,637 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:43:13,555 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 5496 states. [2024-05-02 23:43:13,555 INFO L212 cStratifiedReduction]: Copied states 84 times. [2024-05-02 23:43:13,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:43:13,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-02 23:43:13,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-02 23:43:13,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-02 23:43:13,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-02 23:43:13,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-02 23:43:13,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-05-02 23:43:13,556 INFO L78 Accepts]: Start accepts. Automaton has currently 5594 states, but on-demand construction may add more states Word has length 1329 [2024-05-02 23:43:13,560 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-02 23:43:13,571 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-05-02 23:43:13,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-02 23:43:13,770 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-02 23:43:13,770 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-02 23:43:13,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1039019912, now seen corresponding path program 5 times [2024-05-02 23:43:13,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-02 23:43:13,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116439094] [2024-05-02 23:43:13,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-02 23:43:13,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-02 23:43:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-02 23:43:18,947 INFO L134 CoverageAnalysis]: Checked inductivity of 19778 backedges. 155 proven. 19623 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-02 23:43:18,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-02 23:43:18,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116439094] [2024-05-02 23:43:18,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116439094] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-02 23:43:18,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1660214465] [2024-05-02 23:43:18,949 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-02 23:43:18,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-02 23:43:18,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-02 23:43:18,950 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-02 23:43:18,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-02 23:44:11,940 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 32 check-sat command(s) [2024-05-02 23:44:11,941 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-02 23:44:11,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 2572 conjuncts, 64 conjunts are in the unsatisfiable core [2024-05-02 23:44:11,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-02 23:44:13,132 INFO L134 CoverageAnalysis]: Checked inductivity of 19778 backedges. 155 proven. 19623 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-02 23:44:13,132 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-02 23:44:16,225 INFO L134 CoverageAnalysis]: Checked inductivity of 19778 backedges. 155 proven. 19623 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-02 23:44:16,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1660214465] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-02 23:44:16,226 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-02 23:44:16,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 65, 65] total 130 [2024-05-02 23:44:16,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808013403] [2024-05-02 23:44:16,226 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-02 23:44:16,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 130 states [2024-05-02 23:44:16,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-02 23:44:16,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2024-05-02 23:44:16,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4290, Invalid=12480, Unknown=0, NotChecked=0, Total=16770 [2024-05-02 23:44:16,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:44:16,237 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-02 23:44:16,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 130 states, 130 states have (on average 20.73076923076923) internal successors, (2695), 130 states have internal predecessors, (2695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-02 23:44:16,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:44:16,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-02 23:44:16,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-02 23:44:16,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-02 23:44:16,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-02 23:44:16,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-02 23:44:16,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-05-02 23:44:16,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:44:16,239 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-02 23:44:16,319 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:44:16,319 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-02 23:44:16,319 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:44:16,321 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:44:16,321 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:44:16,321 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:44:16,324 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:44:16,325 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:44:16,325 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:44:16,328 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:44:16,328 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:44:16,328 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:44:16,331 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:44:16,331 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:44:16,331 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:44:16,382 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:44:16,382 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:44:16,382 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:44:16,415 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:44:16,415 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:44:16,415 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:44:16,416 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:44:16,416 INFO L369 cStratifiedReduction]: Guessed abstraction level: [] [2024-05-02 23:44:16,416 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:44:16,422 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:44:16,423 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:44:16,423 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:44:16,424 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:44:16,424 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:44:16,425 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:44:16,425 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:44:16,425 INFO L369 cStratifiedReduction]: Guessed abstraction level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:44:16,425 INFO L370 cStratifiedReduction]: Actual level: [~top~0, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:44:16,435 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:44:16,435 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:44:16,435 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:44:16,448 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:44:16,449 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:44:16,449 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:44:16,450 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:44:16,450 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:44:16,450 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:44:16,457 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:44:16,457 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:44:16,457 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:44:16,467 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:44:16,467 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:44:16,468 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:44:16,468 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:44:16,468 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:44:16,468 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:44:16,476 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:44:16,476 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:44:16,476 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:44:16,486 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:44:16,486 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:44:16,486 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:44:16,487 INFO L368 cStratifiedReduction]: Backtracking a loop entry edge [2024-05-02 23:44:16,487 INFO L369 cStratifiedReduction]: Guessed abstraction level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:44:16,487 INFO L370 cStratifiedReduction]: Actual level: [t1Thread1of1ForFork1_push_#res#1, ~top~0, t1Thread1of1ForFork1_#t~ret41#1, t1Thread1of1ForFork1_inc_top_#t~post31#1] [2024-05-02 23:44:26,205 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 10649 states. [2024-05-02 23:44:26,206 INFO L212 cStratifiedReduction]: Copied states 84 times. [2024-05-02 23:44:26,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:44:26,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-02 23:44:26,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-02 23:44:26,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-02 23:44:26,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-02 23:44:26,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-02 23:44:26,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-05-02 23:44:26,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2024-05-02 23:44:26,207 INFO L78 Accepts]: Start accepts. Automaton has currently 10747 states, but on-demand construction may add more states Word has length 2641 [2024-05-02 23:44:26,218 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-02 23:44:26,235 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-05-02 23:44:26,430 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,SelfDestructingSolverStorable7 [2024-05-02 23:44:26,431 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-02 23:44:26,431 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-02 23:44:26,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1620819336, now seen corresponding path program 6 times [2024-05-02 23:44:26,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-02 23:44:26,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027085896] [2024-05-02 23:44:26,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-02 23:44:26,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-02 23:44:26,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-02 23:44:49,372 INFO L134 CoverageAnalysis]: Checked inductivity of 81522 backedges. 315 proven. 81207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-02 23:44:49,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-02 23:44:49,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027085896] [2024-05-02 23:44:49,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027085896] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-02 23:44:49,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774171880] [2024-05-02 23:44:49,373 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-02 23:44:49,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-02 23:44:49,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-02 23:44:49,389 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-02 23:44:49,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process Received shutdown request... [2024-05-02 23:57:25,541 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-02 23:57:25,552 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-02 23:57:25,552 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-02 23:57:25,552 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-02 23:57:25,552 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 [2024-05-02 23:57:25,556 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-02 23:57:25,583 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-02 23:57:26,547 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-05-02 23:57:26,568 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2024-05-02 23:57:26,569 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 [2024-05-02 23:57:26,569 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Ended with exit code 0 [2024-05-02 23:57:26,570 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Forceful destruction successful, exit code 0 [2024-05-02 23:57:26,590 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Forceful destruction successful, exit code 0 [2024-05-02 23:57:26,759 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forcibly destroying the process [2024-05-02 23:57:26,776 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-05-02 23:57:26,776 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-05-02 23:57:26,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [129] total 129 [2024-05-02 23:57:26,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982959451] [2024-05-02 23:57:26,776 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-05-02 23:57:26,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 129 states [2024-05-02 23:57:26,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-02 23:57:26,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2024-05-02 23:57:26,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4224, Invalid=12288, Unknown=0, NotChecked=0, Total=16512 [2024-05-02 23:57:26,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:57:26,805 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-02 23:57:26,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 129 states, 129 states have (on average 20.472868217054263) internal successors, (2641), 129 states have internal predecessors, (2641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-02 23:57:26,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:57:26,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-02 23:57:26,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-02 23:57:26,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-02 23:57:26,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-02 23:57:26,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-02 23:57:26,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-05-02 23:57:26,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2024-05-02 23:57:26,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-02 23:57:26,808 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-02 23:57:26,809 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1 states. [2024-05-02 23:57:26,809 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-02 23:57:26,815 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 137 [2024-05-02 23:57:26,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-02 23:57:26,815 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction. [2024-05-02 23:57:26,815 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-02 23:57:26,834 INFO L445 BasicCegarLoop]: Path program histogram: [6, 1, 1, 1] [2024-05-02 23:57:26,834 INFO L308 ceAbstractionStarter]: Result for error location t1Err0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (5/6) [2024-05-02 23:57:26,837 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-02 23:57:26,837 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-02 23:57:26,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.05 11:57:26 BasicIcfg [2024-05-02 23:57:26,855 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-02 23:57:26,855 INFO L158 Benchmark]: Toolchain (without parser) took 869862.87ms. Allocated memory was 162.5MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 96.8MB in the beginning and 1.1GB in the end (delta: -991.1MB). Peak memory consumption was 908.3MB. Max. memory is 8.0GB. [2024-05-02 23:57:26,855 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 162.5MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-02 23:57:26,856 INFO L158 Benchmark]: CACSL2BoogieTranslator took 535.95ms. Allocated memory is still 162.5MB. Free memory was 96.5MB in the beginning and 124.3MB in the end (delta: -27.8MB). Peak memory consumption was 24.4MB. Max. memory is 8.0GB. [2024-05-02 23:57:26,856 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.37ms. Allocated memory is still 162.5MB. Free memory was 124.3MB in the beginning and 121.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-05-02 23:57:26,856 INFO L158 Benchmark]: Boogie Preprocessor took 43.09ms. Allocated memory is still 162.5MB. Free memory was 121.2MB in the beginning and 119.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-02 23:57:26,856 INFO L158 Benchmark]: RCFGBuilder took 399.65ms. Allocated memory is still 162.5MB. Free memory was 119.6MB in the beginning and 100.1MB in the end (delta: 19.5MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2024-05-02 23:57:26,856 INFO L158 Benchmark]: TraceAbstraction took 868821.29ms. Allocated memory was 162.5MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 99.1MB in the beginning and 1.1GB in the end (delta: -988.8MB). Peak memory consumption was 909.1MB. Max. memory is 8.0GB. [2024-05-02 23:57:26,857 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 162.5MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 535.95ms. Allocated memory is still 162.5MB. Free memory was 96.5MB in the beginning and 124.3MB in the end (delta: -27.8MB). Peak memory consumption was 24.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 58.37ms. Allocated memory is still 162.5MB. Free memory was 124.3MB in the beginning and 121.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.09ms. Allocated memory is still 162.5MB. Free memory was 121.2MB in the beginning and 119.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 399.65ms. Allocated memory is still 162.5MB. Free memory was 119.6MB in the beginning and 100.1MB in the end (delta: 19.5MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 868821.29ms. Allocated memory was 162.5MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 99.1MB in the beginning and 1.1GB in the end (delta: -988.8MB). Peak memory consumption was 909.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Reduction benchmarks 15.2ms Time before loop, 0.0ms Time in loop, 0.0s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 26, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Visitor Statistics States: 27, Transitions: 26, Traversal time: 0.0s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 0, Times there's more than one choice: 0, Avg number of choices: NaN - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 299, independent: 275, independent conditional: 275, independent unconditional: 0, dependent: 24, dependent conditional: 24, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 275, independent: 275, independent conditional: 275, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 275, independent: 275, independent conditional: 275, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 275, independent: 275, independent conditional: 0, independent unconditional: 275, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 275, independent: 275, independent conditional: 0, independent unconditional: 275, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 275, independent: 275, independent conditional: 0, independent unconditional: 275, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 275, independent: 275, independent conditional: 0, independent unconditional: 275, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 275, independent: 275, independent conditional: 0, independent unconditional: 275, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 275, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 275, unknown conditional: 0, unknown unconditional: 275] , Statistics on independence cache: Total cache size (in pairs): 275, Positive cache size: 275, Positive conditional cache size: 0, Positive unconditional cache size: 275, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 24 - StatisticsResult: Reduction benchmarks 20.9ms Time before loop, 376.2ms Time in loop, 0.4s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 6, Reduction States: 362, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Visitor Statistics States: 363, Transitions: 392, Traversal time: 0.4s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 0, Times there's more than one choice: 0, Avg number of choices: NaN - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Visitor Statistics States: 0, Transitions: 0, Traversal time: 14198918.7s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 0, Times there's more than one choice: 0, Avg number of choices: NaN - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Visitor Statistics States: 0, Transitions: 0, Traversal time: 14198918.8s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 0, Times there's more than one choice: 0, Avg number of choices: NaN - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 20879, independent: 19316, independent conditional: 19316, independent unconditional: 0, dependent: 1563, dependent conditional: 1563, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19316, independent: 19316, independent conditional: 19316, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 19316, independent: 19316, independent conditional: 19316, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19316, independent: 19316, independent conditional: 0, independent unconditional: 19316, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19316, independent: 19316, independent conditional: 0, independent unconditional: 19316, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19316, independent: 19316, independent conditional: 0, independent unconditional: 19316, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19316, independent: 19316, independent conditional: 0, independent unconditional: 19316, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 19316, independent: 19316, independent conditional: 0, independent unconditional: 19316, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 19316, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 19316, unknown conditional: 0, unknown unconditional: 19316] , Statistics on independence cache: Total cache size (in pairs): 19316, Positive cache size: 19316, Positive conditional cache size: 0, Positive unconditional cache size: 19316, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1563 - StatisticsResult: Reduction benchmarks 3.1ms Time before loop, 0.0ms Time in loop, 0.0s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 95, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 67.1ms Time before loop, 146.8ms Time in loop, 0.2s Time in total, Has Loop: 1, wrong guesses: 0, overall guesses: 4, Reduction States: 284, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 22.6ms Time before loop, 41.7ms Time in loop, 0.1s Time in total, Has Loop: 1, wrong guesses: 1, overall guesses: 5, Reduction States: 199, Duplicate States: 11, Protected Variables: 1 - StatisticsResult: Reduction benchmarks 30.8ms Time before loop, 166.8ms Time in loop, 0.2s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 15, Reduction States: 598, Duplicate States: 72, Protected Variables: 3 - StatisticsResult: Reduction benchmarks 27.8ms Time before loop, 285.5ms Time in loop, 0.3s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 20, Reduction States: 985, Duplicate States: 84, Protected Variables: 2 - StatisticsResult: Reduction benchmarks 35.3ms Time before loop, 516.3ms Time in loop, 0.6s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 20, Reduction States: 1630, Duplicate States: 84, Protected Variables: 2 - StatisticsResult: Reduction benchmarks 18.0ms Time before loop, 983.4ms Time in loop, 1.0s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 20, Reduction States: 2919, Duplicate States: 84, Protected Variables: 2 - StatisticsResult: Reduction benchmarks 31.0ms Time before loop, 3106.0ms Time in loop, 3.1s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 20, Reduction States: 5496, Duplicate States: 84, Protected Variables: 2 - StatisticsResult: Reduction benchmarks 78.9ms Time before loop, 9886.8ms Time in loop, 10.0s Time in total, Has Loop: 1, wrong guesses: 2, overall guesses: 20, Reduction States: 10649, Duplicate States: 84, Protected Variables: 2 - StatisticsResult: Reduction benchmarks 0.5ms Time before loop, 0.0ms Time in loop, 0.0s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 1, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Visitor Statistics States: 60, Transitions: 59, Traversal time: 0.0s - StatisticsResult: Visitor Statistics States: 241, Transitions: 261, Traversal time: 0.2s - StatisticsResult: Visitor Statistics States: 146, Transitions: 162, Traversal time: 0.1s - StatisticsResult: Visitor Statistics States: 504, Transitions: 562, Traversal time: 0.2s - StatisticsResult: Visitor Statistics States: 802, Transitions: 908, Traversal time: 0.3s - StatisticsResult: Visitor Statistics States: 1278, Transitions: 1460, Traversal time: 0.6s - StatisticsResult: Visitor Statistics States: 2230, Transitions: 2564, Traversal time: 1.0s - StatisticsResult: Visitor Statistics States: 4134, Transitions: 4772, Traversal time: 3.1s - StatisticsResult: Visitor Statistics States: 7942, Transitions: 9188, Traversal time: 10.0s - StatisticsResult: Visitor Statistics States: 1, Transitions: 0, Traversal time: 0.0s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 21, RedundantProofs: 9, ProvenStates: 1103, Times there's more than one choice: 890, Avg number of choices: 5.28739800543971 - TimeoutResultAtElement [Line: 941]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing DynamicStratifiedReduction. - PositiveResult [Line: 941]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 256 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 256 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: t1Err0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 5 procedures, 256 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: t1Err0ASSERT_VIOLATIONERROR_FUNCTION with 2 thread instances CFG has 5 procedures, 256 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 868.1s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 15.5s, 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: 373, 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: 0.4s SsaConstructionTime, 55.2s SatisfiabilityAnalysisTime, 37.7s InterpolantComputationTime, 8080 NumberOfCodeBlocks, 8080 NumberOfCodeBlocksAsserted, 54 NumberOfCheckSat, 10688 ConstructedInterpolants, 0 QuantifiedInterpolants, 31314 SizeOfPredicates, 114 NumberOfNonLiveVariables, 5216 ConjunctsInSsa, 124 ConjunctsInUnsatCore, 19 InterpolantComputations, 3 PerfectInterpolantSequences, 1170/158517 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: t2Err0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 5 procedures, 256 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown