/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-wmm/rfi002_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-a4a1cd3-m [2024-05-30 13:05:46,519 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-30 13:05:46,584 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-05-30 13:05:46,588 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-30 13:05:46,589 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-30 13:05:46,589 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-05-30 13:05:46,612 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-30 13:05:46,612 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-30 13:05:46,613 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-30 13:05:46,616 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-30 13:05:46,616 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-30 13:05:46,617 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-30 13:05:46,617 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-30 13:05:46,618 INFO L153 SettingsManager]: * Use SBE=true [2024-05-30 13:05:46,618 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-30 13:05:46,619 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-30 13:05:46,619 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-30 13:05:46,619 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-30 13:05:46,619 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-30 13:05:46,619 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-30 13:05:46,619 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-30 13:05:46,620 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-30 13:05:46,620 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-30 13:05:46,621 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-30 13:05:46,621 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-30 13:05:46,621 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-30 13:05:46,622 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-30 13:05:46,622 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-30 13:05:46,622 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-30 13:05:46,622 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-30 13:05:46,623 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 13:05:46,623 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-30 13:05:46,623 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-30 13:05:46,624 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-05-30 13:05:46,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-30 13:05:46,624 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-30 13:05:46,624 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-05-30 13:05:46,624 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-05-30 13:05:46,624 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-30 13:05:46,624 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-30 13:05:46,624 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-30 13:05:46,625 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-30 13:05:46,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-30 13:05:46,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-30 13:05:46,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-30 13:05:46,880 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-30 13:05:46,880 INFO L274 PluginConnector]: CDTParser initialized [2024-05-30 13:05:46,882 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi002_tso.i [2024-05-30 13:05:47,881 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-30 13:05:48,074 INFO L384 CDTParser]: Found 1 translation units. [2024-05-30 13:05:48,075 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi002_tso.i [2024-05-30 13:05:48,086 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5e13265fa/addbc5fb63ce4a2297db901394bb8fd8/FLAG2f8c4f977 [2024-05-30 13:05:48,101 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5e13265fa/addbc5fb63ce4a2297db901394bb8fd8 [2024-05-30 13:05:48,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-30 13:05:48,104 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-30 13:05:48,105 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-30 13:05:48,105 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-30 13:05:48,114 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-30 13:05:48,114 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 01:05:48" (1/1) ... [2024-05-30 13:05:48,115 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23d8e167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:05:48, skipping insertion in model container [2024-05-30 13:05:48,115 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 01:05:48" (1/1) ... [2024-05-30 13:05:48,163 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-30 13:05:48,330 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-wmm/rfi002_tso.i[987,1000] [2024-05-30 13:05:48,534 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 13:05:48,548 INFO L202 MainTranslator]: Completed pre-run [2024-05-30 13:05:48,559 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-wmm/rfi002_tso.i[987,1000] [2024-05-30 13:05:48,619 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 13:05:48,660 INFO L206 MainTranslator]: Completed translation [2024-05-30 13:05:48,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:05:48 WrapperNode [2024-05-30 13:05:48,660 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-30 13:05:48,662 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-30 13:05:48,662 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-30 13:05:48,662 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-30 13:05:48,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:05:48" (1/1) ... [2024-05-30 13:05:48,703 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:05:48" (1/1) ... [2024-05-30 13:05:48,740 INFO L138 Inliner]: procedures = 175, calls = 48, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 208 [2024-05-30 13:05:48,740 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-30 13:05:48,741 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-30 13:05:48,742 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-30 13:05:48,742 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-30 13:05:48,748 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:05:48" (1/1) ... [2024-05-30 13:05:48,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:05:48" (1/1) ... [2024-05-30 13:05:48,761 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:05:48" (1/1) ... [2024-05-30 13:05:48,761 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:05:48" (1/1) ... [2024-05-30 13:05:48,784 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:05:48" (1/1) ... [2024-05-30 13:05:48,786 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:05:48" (1/1) ... [2024-05-30 13:05:48,791 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:05:48" (1/1) ... [2024-05-30 13:05:48,792 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:05:48" (1/1) ... [2024-05-30 13:05:48,795 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-30 13:05:48,796 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-30 13:05:48,796 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-30 13:05:48,796 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-30 13:05:48,796 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:05:48" (1/1) ... [2024-05-30 13:05:48,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 13:05:48,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 13:05:48,825 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) [2024-05-30 13:05:48,829 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 [2024-05-30 13:05:48,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-30 13:05:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-30 13:05:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-30 13:05:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-30 13:05:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-30 13:05:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-05-30 13:05:48,876 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-05-30 13:05:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-05-30 13:05:48,876 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-05-30 13:05:48,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-30 13:05:48,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-30 13:05:48,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-30 13:05:48,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-30 13:05:48,879 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-30 13:05:49,015 INFO L241 CfgBuilder]: Building ICFG [2024-05-30 13:05:49,016 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-30 13:05:49,336 INFO L282 CfgBuilder]: Performing block encoding [2024-05-30 13:05:49,507 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-30 13:05:49,507 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-30 13:05:49,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 01:05:49 BoogieIcfgContainer [2024-05-30 13:05:49,507 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-30 13:05:49,509 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-30 13:05:49,509 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-30 13:05:49,512 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-30 13:05:49,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.05 01:05:48" (1/3) ... [2024-05-30 13:05:49,512 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5db40874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 01:05:49, skipping insertion in model container [2024-05-30 13:05:49,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:05:48" (2/3) ... [2024-05-30 13:05:49,513 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5db40874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 01:05:49, skipping insertion in model container [2024-05-30 13:05:49,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 01:05:49" (3/3) ... [2024-05-30 13:05:49,514 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi002_tso.i [2024-05-30 13:05:49,521 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-30 13:05:49,528 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-30 13:05:49,529 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-05-30 13:05:49,529 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-30 13:05:49,565 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-30 13:05:49,608 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 13:05:49,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 13:05:49,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 13:05:49,636 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) [2024-05-30 13:05:49,655 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 [2024-05-30 13:05:49,675 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 13:05:49,683 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P1Err0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 13:05:49,689 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;@618ee525, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 13:05:49,689 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 13:05:49,692 WARN L438 OrderReductionFacade]: DynamicStratifiedReduction did not find any initial state. Returning directly. [2024-05-30 13:05:49,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 13:05:49,707 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-30 13:05:49,709 INFO L308 ceAbstractionStarter]: Result for error location P1Err0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/7) [2024-05-30 13:05:49,725 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 13:05:49,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 13:05:49,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 13:05:49,728 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) [2024-05-30 13:05:49,734 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 13:05:49,735 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P1Err1ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 13:05:49,735 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;@618ee525, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 13:05:49,735 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 13:05:49,736 WARN L438 OrderReductionFacade]: DynamicStratifiedReduction did not find any initial state. Returning directly. [2024-05-30 13:05:49,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 13:05:49,737 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-30 13:05:49,737 INFO L308 ceAbstractionStarter]: Result for error location P1Err1ASSERT_VIOLATIONERROR_FUNCTION was SAFE (2/7) [2024-05-30 13:05:49,744 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 13:05:49,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 13:05:49,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 13:05:49,744 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 [2024-05-30 13:05:49,748 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) [2024-05-30 13:05:49,754 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 13:05:49,754 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 13:05:49,754 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;@618ee525, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 13:05:49,754 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 13:05:49,757 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:05:49,760 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 [2024-05-30 13:05:49,791 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 118 states. [2024-05-30 13:05:49,792 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 13:05:49,794 INFO L78 Accepts]: Start accepts. Automaton has currently 120 states, but on-demand construction may add more states Word has length 75 [2024-05-30 13:05:49,796 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:05:49,797 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:05:49,801 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:05:49,801 INFO L85 PathProgramCache]: Analyzing trace with hash 186190462, now seen corresponding path program 1 times [2024-05-30 13:05:49,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:05:49,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566486383] [2024-05-30 13:05:49,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:05:49,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:05:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:05:50,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 13:05:50,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:05:50,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566486383] [2024-05-30 13:05:50,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566486383] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:05:50,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:05:50,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-30 13:05:50,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450354629] [2024-05-30 13:05:50,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:05:50,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-30 13:05:50,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:05:50,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-30 13:05:50,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-30 13:05:50,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:05:50,082 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:05:50,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 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) [2024-05-30 13:05:50,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:05:50,083 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:05:57,638 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 224 states. [2024-05-30 13:05:57,638 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 13:05:57,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:05:57,639 INFO L78 Accepts]: Start accepts. Automaton has currently 332 states, but on-demand construction may add more states Word has length 74 [2024-05-30 13:05:57,639 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:05:57,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-30 13:05:57,640 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:05:57,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:05:57,640 INFO L85 PathProgramCache]: Analyzing trace with hash -579043194, now seen corresponding path program 1 times [2024-05-30 13:05:57,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:05:57,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122320962] [2024-05-30 13:05:57,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:05:57,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:05:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:05:58,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 13:05:58,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:05:58,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122320962] [2024-05-30 13:05:58,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122320962] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:05:58,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:05:58,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-30 13:05:58,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274354007] [2024-05-30 13:05:58,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:05:58,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-30 13:05:58,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:05:58,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-30 13:05:58,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-05-30 13:05:58,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:05:58,349 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:05:58,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 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) [2024-05-30 13:05:58,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:05:58,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:05:58,351 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:06:55,363 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 806 states. [2024-05-30 13:06:55,363 INFO L212 cStratifiedReduction]: Copied states 139 times. [2024-05-30 13:06:55,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:06:55,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:06:55,373 INFO L78 Accepts]: Start accepts. Automaton has currently 880 states, but on-demand construction may add more states Word has length 78 [2024-05-30 13:06:55,374 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:06:55,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-30 13:06:55,375 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:06:55,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:06:55,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1738867848, now seen corresponding path program 1 times [2024-05-30 13:06:55,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:06:55,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493754158] [2024-05-30 13:06:55,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:06:55,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:06:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:06:55,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 13:06:55,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:06:55,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493754158] [2024-05-30 13:06:55,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493754158] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:06:55,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:06:55,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-30 13:06:55,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579398036] [2024-05-30 13:06:55,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:06:55,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-30 13:06:55,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:06:55,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-30 13:06:55,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-05-30 13:06:55,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:06:55,859 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:06:55,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 13:06:55,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:06:55,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:06:55,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:06:55,860 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:08:10,222 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1117 states. [2024-05-30 13:08:10,222 INFO L212 cStratifiedReduction]: Copied states 199 times. [2024-05-30 13:08:10,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:08:10,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:08:10,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-30 13:08:10,223 INFO L78 Accepts]: Start accepts. Automaton has currently 1187 states, but on-demand construction may add more states Word has length 86 [2024-05-30 13:08:10,223 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:08:10,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-30 13:08:10,224 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:08:10,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:08:10,224 INFO L85 PathProgramCache]: Analyzing trace with hash -498123827, now seen corresponding path program 1 times [2024-05-30 13:08:10,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:08:10,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809512126] [2024-05-30 13:08:10,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:08:10,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:08:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:08:11,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 13:08:11,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:08:11,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809512126] [2024-05-30 13:08:11,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809512126] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:08:11,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:08:11,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-05-30 13:08:11,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375375976] [2024-05-30 13:08:11,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:08:11,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-05-30 13:08:11,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:08:11,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-05-30 13:08:11,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2024-05-30 13:08:11,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:08:11,690 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:08:11,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.0588235294117645) internal successors, (86), 17 states have internal predecessors, (86), 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) [2024-05-30 13:08:11,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:08:11,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:08:11,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-30 13:08:11,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:08:11,691 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:09:35,031 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1588 states. [2024-05-30 13:09:35,031 INFO L212 cStratifiedReduction]: Copied states 162 times. [2024-05-30 13:09:35,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:09:35,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:09:35,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-30 13:09:35,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-05-30 13:09:35,032 INFO L78 Accepts]: Start accepts. Automaton has currently 1810 states, but on-demand construction may add more states Word has length 87 [2024-05-30 13:09:35,032 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:09:35,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-30 13:09:35,048 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:09:35,048 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:09:35,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1229846675, now seen corresponding path program 1 times [2024-05-30 13:09:35,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:09:35,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209501254] [2024-05-30 13:09:35,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:09:35,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:09:35,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:09:35,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 13:09:35,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:09:35,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209501254] [2024-05-30 13:09:35,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209501254] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:09:35,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:09:35,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-30 13:09:35,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298478014] [2024-05-30 13:09:35,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:09:35,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-30 13:09:35,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:09:35,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-30 13:09:35,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-05-30 13:09:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:09:35,560 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:09:35,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 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) [2024-05-30 13:09:35,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:09:35,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:09:35,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-30 13:09:35,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-05-30 13:09:35,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:09:35,560 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:11:50,945 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1911 states. [2024-05-30 13:11:50,945 INFO L212 cStratifiedReduction]: Copied states 113 times. [2024-05-30 13:11:50,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:11:50,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:11:50,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-30 13:11:50,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-05-30 13:11:50,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-30 13:11:50,946 INFO L78 Accepts]: Start accepts. Automaton has currently 2266 states, but on-demand construction may add more states Word has length 88 [2024-05-30 13:11:50,946 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:11:50,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-05-30 13:11:50,947 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:11:50,947 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:11:50,947 INFO L85 PathProgramCache]: Analyzing trace with hash -150138930, now seen corresponding path program 1 times [2024-05-30 13:11:50,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:11:50,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138001722] [2024-05-30 13:11:50,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:11:50,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:11:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:11:51,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 13:11:51,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:11:51,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138001722] [2024-05-30 13:11:51,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138001722] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:11:51,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:11:51,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-30 13:11:51,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069213993] [2024-05-30 13:11:51,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:11:51,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-30 13:11:51,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:11:51,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-30 13:11:51,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-05-30 13:11:51,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:11:51,406 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:11:51,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 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) [2024-05-30 13:11:51,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:11:51,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:11:51,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-30 13:11:51,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-05-30 13:11:51,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-30 13:11:51,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:11:51,407 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:15:03,782 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 2781 states. [2024-05-30 13:15:03,782 INFO L212 cStratifiedReduction]: Copied states 336 times. [2024-05-30 13:15:03,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:15:03,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:15:03,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-30 13:15:03,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-05-30 13:15:03,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-30 13:15:03,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 13:15:03,786 INFO L78 Accepts]: Start accepts. Automaton has currently 3037 states, but on-demand construction may add more states Word has length 87 [2024-05-30 13:15:03,787 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:15:03,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-05-30 13:15:03,787 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:15:03,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:15:03,788 INFO L85 PathProgramCache]: Analyzing trace with hash 654410003, now seen corresponding path program 2 times [2024-05-30 13:15:03,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:15:03,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988110533] [2024-05-30 13:15:03,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:15:03,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:15:03,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:15:04,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 13:15:04,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:15:04,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988110533] [2024-05-30 13:15:04,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988110533] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:15:04,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:15:04,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-05-30 13:15:04,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809795013] [2024-05-30 13:15:04,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:15:04,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-05-30 13:15:04,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:15:04,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-05-30 13:15:04,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-05-30 13:15:04,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:15:04,439 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:15:04,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 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) [2024-05-30 13:15:04,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:15:04,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:15:04,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-30 13:15:04,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-05-30 13:15:04,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-30 13:15:04,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 13:15:04,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:15:04,440 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:18:18,388 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 3137 states. [2024-05-30 13:18:18,389 INFO L212 cStratifiedReduction]: Copied states 320 times. [2024-05-30 13:18:18,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:18:18,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:18:18,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-30 13:18:18,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-05-30 13:18:18,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-30 13:18:18,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-30 13:18:18,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-05-30 13:18:18,390 INFO L78 Accepts]: Start accepts. Automaton has currently 3629 states, but on-demand construction may add more states Word has length 88 [2024-05-30 13:18:18,391 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:18:18,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-05-30 13:18:18,391 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:18:18,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:18:18,391 INFO L85 PathProgramCache]: Analyzing trace with hash -808806578, now seen corresponding path program 2 times [2024-05-30 13:18:18,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:18:18,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128937186] [2024-05-30 13:18:18,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:18:18,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:18:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:18:19,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 13:18:19,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:18:19,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128937186] [2024-05-30 13:18:19,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128937186] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:18:19,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:18:19,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-05-30 13:18:19,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38995769] [2024-05-30 13:18:19,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:18:19,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-05-30 13:18:19,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:18:19,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-05-30 13:18:19,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-05-30 13:18:19,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:18:19,333 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:18:19,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.769230769230769) internal successors, (88), 13 states have internal predecessors, (88), 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) [2024-05-30 13:18:19,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:18:19,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:18:19,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-30 13:18:19,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-05-30 13:18:19,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-30 13:18:19,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-30 13:18:19,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-05-30 13:18:19,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:18:19,333 INFO L199 cStratifiedReduction]: Start building reduction automaton Received shutdown request... [2024-05-30 13:19:52,887 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 1443 states. [2024-05-30 13:19:52,888 INFO L212 cStratifiedReduction]: Copied states 42 times. [2024-05-30 13:19:52,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-05-30 13:19:52,889 WARN L619 AbstractCegarLoop]: Verification canceled: while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-12-2-4-4-4-3-3-2-2-1 context. [2024-05-30 13:19:52,889 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 13:19:52,902 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 [2024-05-30 13:19:52,903 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 [2024-05-30 13:19:52,906 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 [2024-05-30 13:19:52,906 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 [2024-05-30 13:19:52,911 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1] [2024-05-30 13:19:52,913 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (3/7) [2024-05-30 13:19:52,914 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-30 13:19:52,914 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-30 13:19:52,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.05 01:19:52 BasicIcfg [2024-05-30 13:19:52,917 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-30 13:19:52,917 INFO L158 Benchmark]: Toolchain (without parser) took 844812.71ms. Allocated memory was 256.9MB in the beginning and 3.0GB in the end (delta: 2.7GB). Free memory was 186.3MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 2.3GB. Max. memory is 8.0GB. [2024-05-30 13:19:52,917 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 162.5MB. Free memory is still 128.4MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-30 13:19:52,918 INFO L158 Benchmark]: CACSL2BoogieTranslator took 555.27ms. Allocated memory is still 256.9MB. Free memory was 186.2MB in the beginning and 208.0MB in the end (delta: -21.8MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-05-30 13:19:52,918 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.68ms. Allocated memory is still 256.9MB. Free memory was 208.0MB in the beginning and 204.4MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-05-30 13:19:52,919 INFO L158 Benchmark]: Boogie Preprocessor took 54.09ms. Allocated memory is still 256.9MB. Free memory was 204.4MB in the beginning and 201.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-05-30 13:19:52,919 INFO L158 Benchmark]: RCFGBuilder took 711.86ms. Allocated memory is still 256.9MB. Free memory was 201.8MB in the beginning and 205.7MB in the end (delta: -4.0MB). Peak memory consumption was 58.4MB. Max. memory is 8.0GB. [2024-05-30 13:19:52,919 INFO L158 Benchmark]: TraceAbstraction took 843407.62ms. Allocated memory was 256.9MB in the beginning and 3.0GB in the end (delta: 2.7GB). Free memory was 204.2MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 2.3GB. Max. memory is 8.0GB. [2024-05-30 13:19:52,921 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 162.5MB. Free memory is still 128.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 555.27ms. Allocated memory is still 256.9MB. Free memory was 186.2MB in the beginning and 208.0MB in the end (delta: -21.8MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 78.68ms. Allocated memory is still 256.9MB. Free memory was 208.0MB in the beginning and 204.4MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 54.09ms. Allocated memory is still 256.9MB. Free memory was 204.4MB in the beginning and 201.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 711.86ms. Allocated memory is still 256.9MB. Free memory was 201.8MB in the beginning and 205.7MB in the end (delta: -4.0MB). Peak memory consumption was 58.4MB. Max. memory is 8.0GB. * TraceAbstraction took 843407.62ms. Allocated memory was 256.9MB in the beginning and 3.0GB in the end (delta: 2.7GB). Free memory was 204.2MB in the beginning and 1.8GB in the end (delta: -1.6GB). Peak memory consumption was 2.3GB. 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: Visitor Statistics States: 0, Transitions: 0, Traversal time: 16579889.7s - 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: 16579889.7s - 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: 23641, independent: 21113, independent conditional: 21113, independent unconditional: 0, dependent: 2449, dependent conditional: 2449, dependent unconditional: 0, unknown: 79, unknown conditional: 79, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22064, independent: 21113, independent conditional: 21113, independent unconditional: 0, dependent: 872, dependent conditional: 872, dependent unconditional: 0, unknown: 79, unknown conditional: 79, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 22064, independent: 21113, independent conditional: 21113, independent unconditional: 0, dependent: 872, dependent conditional: 872, dependent unconditional: 0, unknown: 79, unknown conditional: 79, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27334, independent: 21113, independent conditional: 0, independent unconditional: 21113, dependent: 5754, dependent conditional: 4882, dependent unconditional: 872, unknown: 467, unknown conditional: 388, unknown unconditional: 79] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 27334, independent: 21113, independent conditional: 0, independent unconditional: 21113, dependent: 5754, dependent conditional: 0, dependent unconditional: 5754, unknown: 467, unknown conditional: 0, unknown unconditional: 467] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27334, independent: 21113, independent conditional: 0, independent unconditional: 21113, dependent: 5754, dependent conditional: 0, dependent unconditional: 5754, unknown: 467, unknown conditional: 0, unknown unconditional: 467] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 22064, independent: 21113, independent conditional: 0, independent unconditional: 21113, dependent: 872, dependent conditional: 0, dependent unconditional: 872, unknown: 79, unknown conditional: 0, unknown unconditional: 79] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 22064, independent: 21061, independent conditional: 0, independent unconditional: 21061, dependent: 1003, dependent conditional: 0, dependent unconditional: 1003, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1003, independent: 52, independent conditional: 0, independent unconditional: 52, dependent: 872, dependent conditional: 0, dependent unconditional: 872, unknown: 79, unknown conditional: 0, unknown unconditional: 79] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1003, independent: 52, independent conditional: 0, independent unconditional: 52, dependent: 872, dependent conditional: 0, dependent unconditional: 872, unknown: 79, unknown conditional: 0, unknown unconditional: 79] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1003, independent: 52, independent conditional: 0, independent unconditional: 52, dependent: 872, dependent conditional: 0, dependent unconditional: 872, unknown: 79, unknown conditional: 0, unknown unconditional: 79] , SemanticIndependenceRelation.Query Time [ms]: [ total: 157791, independent: 1225, independent conditional: 0, independent unconditional: 1225, dependent: 76486, dependent conditional: 0, dependent unconditional: 76486, unknown: 80080, unknown conditional: 0, unknown unconditional: 80080] , Protected Queries: 0 ], Cache Queries: [ total: 27334, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4882, dependent conditional: 0, dependent unconditional: 4882, unknown: 22452, unknown conditional: 0, unknown unconditional: 22452] , Statistics on independence cache: Total cache size (in pairs): 21985, Positive cache size: 21113, Positive conditional cache size: 0, Positive unconditional cache size: 21113, Negative cache size: 872, Negative conditional cache size: 0, Negative unconditional cache size: 872, Unknown cache size: 79, Unknown conditional cache size: 0, Unknown unconditional cache size: 79, Eliminated conditions: 5270, Maximal queried relation: 8, Independence queries for same thread: 1577 - StatisticsResult: Reduction benchmarks 33.9ms Time before loop, 0.0ms Time in loop, 0.0s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 118, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 7554.6ms Time before loop, 0.0ms Time in loop, 7.6s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 224, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 57011.7ms Time before loop, 0.0ms Time in loop, 57.0s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 806, Duplicate States: 139, Protected Variables: 13 - StatisticsResult: Reduction benchmarks 74361.6ms Time before loop, 0.0ms Time in loop, 74.4s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 1117, Duplicate States: 199, Protected Variables: 13 - StatisticsResult: Reduction benchmarks 83339.8ms Time before loop, 0.0ms Time in loop, 83.3s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 1588, Duplicate States: 162, Protected Variables: 15 - StatisticsResult: Reduction benchmarks 135384.3ms Time before loop, 0.0ms Time in loop, 135.4s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 1911, Duplicate States: 113, Protected Variables: 16 - StatisticsResult: Reduction benchmarks 192374.5ms Time before loop, 0.0ms Time in loop, 192.4s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 2781, Duplicate States: 336, Protected Variables: 16 - StatisticsResult: Reduction benchmarks 193948.2ms Time before loop, 0.0ms Time in loop, 193.9s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 3137, Duplicate States: 320, Protected Variables: 17 - StatisticsResult: Reduction benchmarks 93553.8ms Time before loop, 0.0ms Time in loop, 93.6s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 1443, Duplicate States: 42, Protected Variables: 15 - StatisticsResult: Visitor Statistics States: 76, Transitions: 75, Traversal time: 0.0s - StatisticsResult: Visitor Statistics States: 183, Transitions: 183, Traversal time: 7.6s - StatisticsResult: Visitor Statistics States: 758, Transitions: 877, Traversal time: 57.0s - StatisticsResult: Visitor Statistics States: 1068, Transitions: 1271, Traversal time: 74.4s - StatisticsResult: Visitor Statistics States: 1473, Transitions: 1880, Traversal time: 83.3s - StatisticsResult: Visitor Statistics States: 1795, Transitions: 2200, Traversal time: 135.4s - StatisticsResult: Visitor Statistics States: 2643, Transitions: 3156, Traversal time: 192.4s - StatisticsResult: Visitor Statistics States: 2997, Transitions: 3448, Traversal time: 193.9s - StatisticsResult: Visitor Statistics States: 1352, Transitions: 1573, Traversal time: 93.6s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 12, RedundantProofs: 4, ProvenStates: 525, Times there's more than one choice: 111, Avg number of choices: 1.2704761904761905 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-12-2-4-4-4-3-3-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for error location: P1Err0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 5 procedures, 132 locations, 7 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 error location: P1Err1ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 5 procedures, 132 locations, 7 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: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 5 procedures, 132 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 843.2s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 837.6s, 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: 85, 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: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 663 NumberOfCodeBlocks, 663 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 655 ConstructedInterpolants, 0 QuantifiedInterpolants, 3919 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown