/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/rfi006_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-a4a1cd3-m [2024-05-30 13:08:25,898 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-30 13:08:25,936 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-05-30 13:08:25,939 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-30 13:08:25,939 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-30 13:08:25,940 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-05-30 13:08:25,954 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-30 13:08:25,954 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-30 13:08:25,955 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-30 13:08:25,955 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-30 13:08:25,955 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-30 13:08:25,956 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-30 13:08:25,956 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-30 13:08:25,957 INFO L153 SettingsManager]: * Use SBE=true [2024-05-30 13:08:25,957 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-30 13:08:25,957 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-30 13:08:25,958 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-30 13:08:25,958 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-30 13:08:25,958 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-30 13:08:25,958 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-30 13:08:25,959 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-30 13:08:25,972 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-30 13:08:25,972 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-30 13:08:25,973 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-30 13:08:25,973 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-30 13:08:25,973 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-30 13:08:25,973 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-30 13:08:25,973 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-30 13:08:25,974 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-30 13:08:25,974 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-30 13:08:25,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 13:08:25,974 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-30 13:08:25,975 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-30 13:08:25,975 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-05-30 13:08:25,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-30 13:08:25,975 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-30 13:08:25,975 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-05-30 13:08:25,975 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-05-30 13:08:25,976 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-30 13:08:25,976 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-30 13:08:25,976 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-30 13:08:25,976 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-30 13:08:26,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-30 13:08:26,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-30 13:08:26,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-30 13:08:26,153 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-30 13:08:26,154 INFO L274 PluginConnector]: CDTParser initialized [2024-05-30 13:08:26,155 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi006_power.oepc.i [2024-05-30 13:08:27,236 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-30 13:08:27,463 INFO L384 CDTParser]: Found 1 translation units. [2024-05-30 13:08:27,463 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi006_power.oepc.i [2024-05-30 13:08:27,486 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/424cd0eea/f1c79aa1d7404747bfaaf83cf56b7e52/FLAG3bee37516 [2024-05-30 13:08:27,503 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/424cd0eea/f1c79aa1d7404747bfaaf83cf56b7e52 [2024-05-30 13:08:27,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-30 13:08:27,508 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-30 13:08:27,510 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-30 13:08:27,510 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-30 13:08:27,514 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-30 13:08:27,514 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 01:08:27" (1/1) ... [2024-05-30 13:08:27,515 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@310613d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:08:27, skipping insertion in model container [2024-05-30 13:08:27,515 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 01:08:27" (1/1) ... [2024-05-30 13:08:27,553 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-30 13:08:27,696 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/rfi006_power.oepc.i[994,1007] [2024-05-30 13:08:27,843 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 13:08:27,859 INFO L202 MainTranslator]: Completed pre-run [2024-05-30 13:08:27,867 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/rfi006_power.oepc.i[994,1007] [2024-05-30 13:08:27,927 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 13:08:27,963 INFO L206 MainTranslator]: Completed translation [2024-05-30 13:08:27,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:08:27 WrapperNode [2024-05-30 13:08:27,964 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-30 13:08:27,965 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-30 13:08:27,965 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-30 13:08:27,965 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-30 13:08:27,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:08:27" (1/1) ... [2024-05-30 13:08:27,998 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:08:27" (1/1) ... [2024-05-30 13:08:28,028 INFO L138 Inliner]: procedures = 176, calls = 75, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 136 [2024-05-30 13:08:28,028 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-30 13:08:28,029 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-30 13:08:28,029 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-30 13:08:28,029 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-30 13:08:28,037 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:08:27" (1/1) ... [2024-05-30 13:08:28,038 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:08:27" (1/1) ... [2024-05-30 13:08:28,042 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:08:27" (1/1) ... [2024-05-30 13:08:28,042 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:08:27" (1/1) ... [2024-05-30 13:08:28,052 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:08:27" (1/1) ... [2024-05-30 13:08:28,054 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:08:27" (1/1) ... [2024-05-30 13:08:28,057 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:08:27" (1/1) ... [2024-05-30 13:08:28,059 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:08:27" (1/1) ... [2024-05-30 13:08:28,072 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-30 13:08:28,073 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-30 13:08:28,073 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-30 13:08:28,073 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-30 13:08:28,074 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:08:27" (1/1) ... [2024-05-30 13:08:28,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 13:08:28,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 13:08:28,108 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 13:08:28,127 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 13:08:28,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-30 13:08:28,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-30 13:08:28,164 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-30 13:08:28,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-30 13:08:28,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-30 13:08:28,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-30 13:08:28,164 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-05-30 13:08:28,164 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-05-30 13:08:28,165 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-05-30 13:08:28,165 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-05-30 13:08:28,166 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-05-30 13:08:28,166 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-05-30 13:08:28,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-30 13:08:28,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-30 13:08:28,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-30 13:08:28,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-30 13:08:28,168 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 13:08:28,302 INFO L241 CfgBuilder]: Building ICFG [2024-05-30 13:08:28,304 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-30 13:08:28,645 INFO L282 CfgBuilder]: Performing block encoding [2024-05-30 13:08:28,844 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-30 13:08:28,844 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-30 13:08:28,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 01:08:28 BoogieIcfgContainer [2024-05-30 13:08:28,845 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-30 13:08:28,848 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-30 13:08:28,848 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-30 13:08:28,851 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-30 13:08:28,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.05 01:08:27" (1/3) ... [2024-05-30 13:08:28,852 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a87fa90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 01:08:28, skipping insertion in model container [2024-05-30 13:08:28,852 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:08:27" (2/3) ... [2024-05-30 13:08:28,852 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a87fa90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 01:08:28, skipping insertion in model container [2024-05-30 13:08:28,853 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 01:08:28" (3/3) ... [2024-05-30 13:08:28,854 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi006_power.oepc.i [2024-05-30 13:08:28,862 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-30 13:08:28,869 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-30 13:08:28,869 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-30 13:08:28,869 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-30 13:08:28,928 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-30 13:08:28,970 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 13:08:28,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 13:08:28,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 13:08:28,973 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 13:08:28,990 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 13:08:29,017 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 13:08:29,024 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 13:08:29,029 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;@5e9616f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 13:08:29,029 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 13:08:29,036 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:08:29,066 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 164 states. [2024-05-30 13:08:29,066 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 13:08:29,069 INFO L78 Accepts]: Start accepts. Automaton has currently 166 states, but on-demand construction may add more states Word has length 89 [2024-05-30 13:08:29,071 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:08:29,072 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:08:29,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:08:29,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1662955405, now seen corresponding path program 1 times [2024-05-30 13:08:29,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:08:29,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827406658] [2024-05-30 13:08:29,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:08:29,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:08:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:08:29,403 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 13:08:29,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:08:29,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827406658] [2024-05-30 13:08:29,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827406658] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:08:29,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:08:29,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-30 13:08:29,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58640688] [2024-05-30 13:08:29,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:08:29,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-30 13:08:29,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:08:29,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-30 13:08:29,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-30 13:08:29,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:08:29,428 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:08:29,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 44.5) internal successors, (89), 2 states have internal predecessors, (89), 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 13:08:29,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:08:29,430 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:09:06,300 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 772 states. [2024-05-30 13:09:06,300 INFO L212 cStratifiedReduction]: Copied states 107 times. [2024-05-30 13:09:06,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:09:06,301 INFO L78 Accepts]: Start accepts. Automaton has currently 1169 states, but on-demand construction may add more states Word has length 88 [2024-05-30 13:09:06,302 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:09:06,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-30 13:09:06,302 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:09:06,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:09:06,303 INFO L85 PathProgramCache]: Analyzing trace with hash -2033993251, now seen corresponding path program 1 times [2024-05-30 13:09:06,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:09:06,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833683537] [2024-05-30 13:09:06,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:09:06,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:09:06,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:09:06,765 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 13:09:06,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:09:06,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833683537] [2024-05-30 13:09:06,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833683537] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:09:06,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:09:06,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-30 13:09:06,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330281233] [2024-05-30 13:09:06,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:09:06,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-30 13:09:06,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:09:06,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-30 13:09:06,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-30 13:09:06,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:09:06,769 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:09:06,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 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 13:09:06,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:09:06,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:09:06,770 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:12:19,394 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 3686 states. [2024-05-30 13:12:19,394 INFO L212 cStratifiedReduction]: Copied states 979 times. [2024-05-30 13:12:19,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:12:19,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:12:19,395 INFO L78 Accepts]: Start accepts. Automaton has currently 3712 states, but on-demand construction may add more states Word has length 99 [2024-05-30 13:12:19,395 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:12:19,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-30 13:12:19,396 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:12:19,396 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:12:19,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1563276286, now seen corresponding path program 1 times [2024-05-30 13:12:19,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:12:19,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193457334] [2024-05-30 13:12:19,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:12:19,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:12:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:12:22,777 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 13:12:22,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:12:22,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193457334] [2024-05-30 13:12:22,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193457334] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:12:22,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:12:22,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2024-05-30 13:12:22,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526212200] [2024-05-30 13:12:22,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:12:22,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-05-30 13:12:22,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:12:22,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-05-30 13:12:22,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2024-05-30 13:12:22,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:12:22,779 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:12:22,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.714285714285714) internal successors, (99), 21 states have internal predecessors, (99), 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 13:12:22,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:12:22,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:12:22,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:12:22,780 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:16:03,243 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 5045 states. [2024-05-30 13:16:03,243 INFO L212 cStratifiedReduction]: Copied states 682 times. [2024-05-30 13:16:03,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:16:03,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:16:03,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-30 13:16:03,244 INFO L78 Accepts]: Start accepts. Automaton has currently 5929 states, but on-demand construction may add more states Word has length 105 [2024-05-30 13:16:03,245 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:16:03,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-30 13:16:03,245 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:16:03,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:16:03,245 INFO L85 PathProgramCache]: Analyzing trace with hash -959678939, now seen corresponding path program 1 times [2024-05-30 13:16:03,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:16:03,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317658026] [2024-05-30 13:16:03,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:16:03,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:16:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:16:03,438 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 13:16:03,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:16:03,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317658026] [2024-05-30 13:16:03,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317658026] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:16:03,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:16:03,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-30 13:16:03,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109589329] [2024-05-30 13:16:03,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:16:03,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-30 13:16:03,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:16:03,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-30 13:16:03,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-30 13:16:03,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:16:03,446 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:16:03,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 6 states have internal predecessors, (105), 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 13:16:03,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:16:03,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:16:03,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-30 13:16:03,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:16:03,447 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:21:46,342 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 4720 states. [2024-05-30 13:21:46,343 INFO L212 cStratifiedReduction]: Copied states 1324 times. [2024-05-30 13:21:46,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:21:46,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:21:46,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-05-30 13:21:46,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-30 13:21:46,344 INFO L78 Accepts]: Start accepts. Automaton has currently 4888 states, but on-demand construction may add more states Word has length 105 [2024-05-30 13:21:46,347 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:21:46,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-30 13:21:46,347 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:21:46,348 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:21:46,348 INFO L85 PathProgramCache]: Analyzing trace with hash -674661099, now seen corresponding path program 2 times [2024-05-30 13:21:46,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:21:46,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741808717] [2024-05-30 13:21:46,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:21:46,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:21:46,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:21:46,524 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 13:21:46,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:21:46,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741808717] [2024-05-30 13:21:46,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741808717] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:21:46,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:21:46,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-30 13:21:46,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327588508] [2024-05-30 13:21:46,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:21:46,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-30 13:21:46,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:21:46,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-30 13:21:46,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-05-30 13:21:46,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:21:46,540 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:21:46,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.125) internal successors, (105), 8 states have internal predecessors, (105), 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 13:21:46,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:21:46,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:21:46,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-05-30 13:21:46,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-30 13:21:46,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:21:46,541 INFO L199 cStratifiedReduction]: Start building reduction automaton Received shutdown request... [2024-05-30 13:22:19,731 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 13:22:19,731 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 13:22:19,742 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 657 states. [2024-05-30 13:22:19,742 INFO L212 cStratifiedReduction]: Copied states 98 times. [2024-05-30 13:22:19,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-05-30 13:22:19,742 WARN L619 AbstractCegarLoop]: Verification canceled: while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ∧-19-4-10-5-8-4-7-3-5-2-3-2-2-2-2-2-2-2-2-2-3-2-3-2-5-4-5-4-5-4-5-4-3-2-3-2-3-2-3-2-1 context. [2024-05-30 13:22:19,744 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 13:22:19,785 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2024-05-30 13:22:19,786 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/4) [2024-05-30 13:22:19,788 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-30 13:22:19,788 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-30 13:22:19,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.05 01:22:19 BasicIcfg [2024-05-30 13:22:19,790 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-30 13:22:19,790 INFO L158 Benchmark]: Toolchain (without parser) took 832282.26ms. Allocated memory was 174.1MB in the beginning and 5.2GB in the end (delta: 5.1GB). Free memory was 100.7MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 3.8GB. Max. memory is 8.0GB. [2024-05-30 13:22:19,790 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 174.1MB. Free memory is still 138.5MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-30 13:22:19,791 INFO L158 Benchmark]: CACSL2BoogieTranslator took 453.90ms. Allocated memory is still 174.1MB. Free memory was 100.4MB in the beginning and 75.1MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2024-05-30 13:22:19,791 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.68ms. Allocated memory is still 174.1MB. Free memory was 75.1MB in the beginning and 72.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-30 13:22:19,791 INFO L158 Benchmark]: Boogie Preprocessor took 43.47ms. Allocated memory is still 174.1MB. Free memory was 72.6MB in the beginning and 70.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-30 13:22:19,791 INFO L158 Benchmark]: RCFGBuilder took 772.07ms. Allocated memory was 174.1MB in the beginning and 251.7MB in the end (delta: 77.6MB). Free memory was 70.0MB in the beginning and 148.1MB in the end (delta: -78.1MB). Peak memory consumption was 14.5MB. Max. memory is 8.0GB. [2024-05-30 13:22:19,792 INFO L158 Benchmark]: TraceAbstraction took 830942.12ms. Allocated memory was 251.7MB in the beginning and 5.2GB in the end (delta: 5.0GB). Free memory was 147.0MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 3.8GB. Max. memory is 8.0GB. [2024-05-30 13:22:19,793 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 174.1MB. Free memory is still 138.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 453.90ms. Allocated memory is still 174.1MB. Free memory was 100.4MB in the beginning and 75.1MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 63.68ms. Allocated memory is still 174.1MB. Free memory was 75.1MB in the beginning and 72.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.47ms. Allocated memory is still 174.1MB. Free memory was 72.6MB in the beginning and 70.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 772.07ms. Allocated memory was 174.1MB in the beginning and 251.7MB in the end (delta: 77.6MB). Free memory was 70.0MB in the beginning and 148.1MB in the end (delta: -78.1MB). Peak memory consumption was 14.5MB. Max. memory is 8.0GB. * TraceAbstraction took 830942.12ms. Allocated memory was 251.7MB in the beginning and 5.2GB in the end (delta: 5.0GB). Free memory was 147.0MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 3.8GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 43950, independent: 43464, independent conditional: 43464, independent unconditional: 0, dependent: 156, dependent conditional: 156, dependent unconditional: 0, unknown: 330, unknown conditional: 330, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 43946, independent: 43464, independent conditional: 43464, independent unconditional: 0, dependent: 152, dependent conditional: 152, dependent unconditional: 0, unknown: 330, unknown conditional: 330, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 43946, independent: 43464, independent conditional: 43464, independent unconditional: 0, dependent: 152, dependent conditional: 152, dependent unconditional: 0, unknown: 330, unknown conditional: 330, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45510, independent: 43464, independent conditional: 0, independent unconditional: 43464, dependent: 726, dependent conditional: 574, dependent unconditional: 152, unknown: 1320, unknown conditional: 990, unknown unconditional: 330] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 45510, independent: 43464, independent conditional: 0, independent unconditional: 43464, dependent: 726, dependent conditional: 0, dependent unconditional: 726, unknown: 1320, unknown conditional: 0, unknown unconditional: 1320] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 45510, independent: 43464, independent conditional: 0, independent unconditional: 43464, dependent: 726, dependent conditional: 0, dependent unconditional: 726, unknown: 1320, unknown conditional: 0, unknown unconditional: 1320] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 43946, independent: 43464, independent conditional: 0, independent unconditional: 43464, dependent: 152, dependent conditional: 0, dependent unconditional: 152, unknown: 330, unknown conditional: 0, unknown unconditional: 330] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 43946, independent: 43204, independent conditional: 0, independent unconditional: 43204, dependent: 742, dependent conditional: 0, dependent unconditional: 742, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 742, independent: 260, independent conditional: 0, independent unconditional: 260, dependent: 152, dependent conditional: 0, dependent unconditional: 152, unknown: 330, unknown conditional: 0, unknown unconditional: 330] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 742, independent: 260, independent conditional: 0, independent unconditional: 260, dependent: 152, dependent conditional: 0, dependent unconditional: 152, unknown: 330, unknown conditional: 0, unknown unconditional: 330] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 742, independent: 260, independent conditional: 0, independent unconditional: 260, dependent: 152, dependent conditional: 0, dependent unconditional: 152, unknown: 330, unknown conditional: 0, unknown unconditional: 330] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10974, independent: 152, independent conditional: 0, independent unconditional: 152, dependent: 2170, dependent conditional: 0, dependent unconditional: 2170, unknown: 8651, unknown conditional: 0, unknown unconditional: 8651] , Protected Queries: 0 ], Cache Queries: [ total: 45510, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 574, dependent conditional: 0, dependent unconditional: 574, unknown: 44936, unknown conditional: 0, unknown unconditional: 44936] , Statistics on independence cache: Total cache size (in pairs): 43616, Positive cache size: 43464, Positive conditional cache size: 0, Positive unconditional cache size: 43464, Negative cache size: 152, Negative conditional cache size: 0, Negative unconditional cache size: 152, Unknown cache size: 330, Unknown conditional cache size: 0, Unknown unconditional cache size: 330, Eliminated conditions: 1564, Maximal queried relation: 5, Independence queries for same thread: 4 - StatisticsResult: Reduction benchmarks 30.3ms Time before loop, 0.0ms Time in loop, 0.0s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 164, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 36869.5ms Time before loop, 0.0ms Time in loop, 36.9s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 772, Duplicate States: 107, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 192624.1ms Time before loop, 0.0ms Time in loop, 192.6s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 3686, Duplicate States: 979, Protected Variables: 4 - StatisticsResult: Reduction benchmarks 220462.9ms Time before loop, 0.0ms Time in loop, 220.5s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 5045, Duplicate States: 682, Protected Variables: 22 - StatisticsResult: Reduction benchmarks 342895.2ms Time before loop, 0.0ms Time in loop, 342.9s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 4720, Duplicate States: 1324, Protected Variables: 25 - StatisticsResult: Reduction benchmarks 33200.6ms Time before loop, 0.0ms Time in loop, 33.2s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 657, Duplicate States: 98, Protected Variables: 0 - StatisticsResult: Visitor Statistics States: 90, Transitions: 89, Traversal time: 0.0s - StatisticsResult: Visitor Statistics States: 700, Transitions: 819, Traversal time: 36.9s - StatisticsResult: Visitor Statistics States: 3599, Transitions: 4320, Traversal time: 192.6s - StatisticsResult: Visitor Statistics States: 4960, Transitions: 5790, Traversal time: 220.5s - StatisticsResult: Visitor Statistics States: 4645, Transitions: 6034, Traversal time: 342.9s - StatisticsResult: Visitor Statistics States: 610, Transitions: 719, Traversal time: 33.2s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 7, RedundantProofs: 4, ProvenStates: 19, Times there's more than one choice: 9, Avg number of choices: 2.0 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ∧-19-4-10-5-8-4-7-3-5-2-3-2-2-2-2-2-2-2-2-2-3-2-3-2-5-4-5-4-5-4-5-4-3-2-3-2-3-2-3-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 7 procedures, 155 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 830.8s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 826.1s, 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: 65, 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, 0.3s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 486 NumberOfCodeBlocks, 486 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 481 ConstructedInterpolants, 0 QuantifiedInterpolants, 2958 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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