/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/safe014_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-a4a1cd3-m [2024-05-30 13:43:40,817 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-30 13:43:40,880 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-05-30 13:43:40,884 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-30 13:43:40,885 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-30 13:43:40,885 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-05-30 13:43:40,910 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-30 13:43:40,910 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-30 13:43:40,910 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-30 13:43:40,913 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-30 13:43:40,914 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-30 13:43:40,914 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-30 13:43:40,914 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-30 13:43:40,915 INFO L153 SettingsManager]: * Use SBE=true [2024-05-30 13:43:40,916 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-30 13:43:40,916 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-30 13:43:40,916 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-30 13:43:40,916 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-30 13:43:40,916 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-30 13:43:40,917 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-30 13:43:40,917 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-30 13:43:40,917 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-30 13:43:40,918 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-30 13:43:40,918 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-30 13:43:40,918 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-30 13:43:40,919 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-30 13:43:40,919 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-30 13:43:40,919 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-30 13:43:40,919 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-30 13:43:40,919 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-30 13:43:40,920 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 13:43:40,920 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-30 13:43:40,921 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-30 13:43:40,921 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-05-30 13:43:40,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-30 13:43:40,921 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-30 13:43:40,921 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-05-30 13:43:40,921 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-05-30 13:43:40,921 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-30 13:43:40,922 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-30 13:43:40,922 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-30 13:43:40,922 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-30 13:43:41,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-30 13:43:41,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-30 13:43:41,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-30 13:43:41,190 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-30 13:43:41,190 INFO L274 PluginConnector]: CDTParser initialized [2024-05-30 13:43:41,191 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe014_rmo.opt.i [2024-05-30 13:43:42,187 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-30 13:43:42,380 INFO L384 CDTParser]: Found 1 translation units. [2024-05-30 13:43:42,380 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe014_rmo.opt.i [2024-05-30 13:43:42,390 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/433a80429/d8412efa867d4d10ad7321ef19982596/FLAG5203124da [2024-05-30 13:43:42,401 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/433a80429/d8412efa867d4d10ad7321ef19982596 [2024-05-30 13:43:42,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-30 13:43:42,404 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-30 13:43:42,405 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-30 13:43:42,405 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-30 13:43:42,410 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-30 13:43:42,411 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 01:43:42" (1/1) ... [2024-05-30 13:43:42,411 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ee5dc6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:43:42, skipping insertion in model container [2024-05-30 13:43:42,412 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 01:43:42" (1/1) ... [2024-05-30 13:43:42,448 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-30 13:43:42,587 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/safe014_rmo.opt.i[992,1005] [2024-05-30 13:43:42,785 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 13:43:42,793 INFO L202 MainTranslator]: Completed pre-run [2024-05-30 13:43:42,805 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/safe014_rmo.opt.i[992,1005] [2024-05-30 13:43:42,912 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 13:43:42,943 INFO L206 MainTranslator]: Completed translation [2024-05-30 13:43:42,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:43:42 WrapperNode [2024-05-30 13:43:42,944 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-30 13:43:42,944 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-30 13:43:42,944 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-30 13:43:42,945 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-30 13:43:42,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:43:42" (1/1) ... [2024-05-30 13:43:42,980 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:43:42" (1/1) ... [2024-05-30 13:43:43,022 INFO L138 Inliner]: procedures = 176, calls = 82, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 169 [2024-05-30 13:43:43,023 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-30 13:43:43,023 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-30 13:43:43,023 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-30 13:43:43,023 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-30 13:43:43,031 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:43:42" (1/1) ... [2024-05-30 13:43:43,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:43:42" (1/1) ... [2024-05-30 13:43:43,044 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:43:42" (1/1) ... [2024-05-30 13:43:43,044 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:43:42" (1/1) ... [2024-05-30 13:43:43,055 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:43:42" (1/1) ... [2024-05-30 13:43:43,057 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:43:42" (1/1) ... [2024-05-30 13:43:43,059 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:43:42" (1/1) ... [2024-05-30 13:43:43,060 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:43:42" (1/1) ... [2024-05-30 13:43:43,063 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-30 13:43:43,064 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-30 13:43:43,064 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-30 13:43:43,064 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-30 13:43:43,064 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:43:42" (1/1) ... [2024-05-30 13:43:43,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 13:43:43,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 13:43:43,105 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 13:43:43,123 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 13:43:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-30 13:43:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-30 13:43:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-30 13:43:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-30 13:43:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-30 13:43:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-30 13:43:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-05-30 13:43:43,145 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-05-30 13:43:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-05-30 13:43:43,145 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-05-30 13:43:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-05-30 13:43:43,146 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-05-30 13:43:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-30 13:43:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-30 13:43:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-30 13:43:43,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-30 13:43:43,148 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 13:43:43,262 INFO L241 CfgBuilder]: Building ICFG [2024-05-30 13:43:43,264 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-30 13:43:43,655 INFO L282 CfgBuilder]: Performing block encoding [2024-05-30 13:43:43,883 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-30 13:43:43,883 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-30 13:43:43,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 01:43:43 BoogieIcfgContainer [2024-05-30 13:43:43,884 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-30 13:43:43,885 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-30 13:43:43,885 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-30 13:43:43,888 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-30 13:43:43,888 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.05 01:43:42" (1/3) ... [2024-05-30 13:43:43,889 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2915c49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 01:43:43, skipping insertion in model container [2024-05-30 13:43:43,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:43:42" (2/3) ... [2024-05-30 13:43:43,889 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2915c49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 01:43:43, skipping insertion in model container [2024-05-30 13:43:43,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 01:43:43" (3/3) ... [2024-05-30 13:43:43,891 INFO L112 eAbstractionObserver]: Analyzing ICFG safe014_rmo.opt.i [2024-05-30 13:43:43,898 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-30 13:43:43,905 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-30 13:43:43,905 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-30 13:43:43,905 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-30 13:43:43,955 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-30 13:43:43,997 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 13:43:43,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 13:43:43,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 13:43:44,000 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 13:43:44,001 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 13:43:44,029 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 13:43:44,036 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 13:43:44,042 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;@63d7e68c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 13:43:44,042 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 13:43:44,054 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:43:44,094 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 164 states. [2024-05-30 13:43:44,094 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 13:43:44,097 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 13:43:44,099 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:43:44,100 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:43:44,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:43:44,105 INFO L85 PathProgramCache]: Analyzing trace with hash -593869808, now seen corresponding path program 1 times [2024-05-30 13:43:44,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:43:44,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865942158] [2024-05-30 13:43:44,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:43:44,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:43:44,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:43:44,404 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 13:43:44,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:43:44,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865942158] [2024-05-30 13:43:44,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865942158] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:43:44,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:43:44,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-30 13:43:44,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425679562] [2024-05-30 13:43:44,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:43:44,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-30 13:43:44,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:43:44,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-30 13:43:44,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-30 13:43:44,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:43:44,427 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:43:44,428 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 13:43:44,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:43:44,430 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:44:07,899 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 757 states. [2024-05-30 13:44:07,900 INFO L212 cStratifiedReduction]: Copied states 84 times. [2024-05-30 13:44:07,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:44:07,900 INFO L78 Accepts]: Start accepts. Automaton has currently 1185 states, but on-demand construction may add more states Word has length 88 [2024-05-30 13:44:07,901 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:44:07,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-30 13:44:07,901 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:44:07,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:44:07,902 INFO L85 PathProgramCache]: Analyzing trace with hash -595047478, now seen corresponding path program 1 times [2024-05-30 13:44:07,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:44:07,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277385885] [2024-05-30 13:44:07,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:44:07,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:44:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:44:08,392 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 13:44:08,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:44:08,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277385885] [2024-05-30 13:44:08,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277385885] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:44:08,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:44:08,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-30 13:44:08,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572142565] [2024-05-30 13:44:08,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:44:08,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-30 13:44:08,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:44:08,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-30 13:44:08,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-05-30 13:44:08,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:44:08,395 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:44:08,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 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 13:44:08,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:44:08,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:44:08,396 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:46:12,997 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 3424 states. [2024-05-30 13:46:12,998 INFO L212 cStratifiedReduction]: Copied states 696 times. [2024-05-30 13:46:12,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:46:12,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-30 13:46:12,998 INFO L78 Accepts]: Start accepts. Automaton has currently 3751 states, but on-demand construction may add more states Word has length 90 [2024-05-30 13:46:12,999 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:46:12,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-30 13:46:12,999 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:46:12,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:46:13,000 INFO L85 PathProgramCache]: Analyzing trace with hash 2078337291, now seen corresponding path program 1 times [2024-05-30 13:46:13,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:46:13,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317575349] [2024-05-30 13:46:13,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:46:13,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:46:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:46:13,260 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 13:46:13,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:46:13,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317575349] [2024-05-30 13:46:13,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317575349] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:46:13,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:46:13,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-30 13:46:13,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71271656] [2024-05-30 13:46:13,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:46:13,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-30 13:46:13,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:46:13,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-30 13:46:13,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-05-30 13:46:13,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:46:13,263 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:46:13,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 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 13:46:13,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:46:13,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-30 13:46:13,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:46:13,264 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:52:21,841 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 9599 states. [2024-05-30 13:52:21,841 INFO L212 cStratifiedReduction]: Copied states 3996 times. [2024-05-30 13:52:21,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:52:21,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-30 13:52:21,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 13:52:21,842 INFO L78 Accepts]: Start accepts. Automaton has currently 7064 states, but on-demand construction may add more states Word has length 100 [2024-05-30 13:52:21,842 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:52:21,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-30 13:52:21,843 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:52:21,843 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:52:21,843 INFO L85 PathProgramCache]: Analyzing trace with hash -689599738, now seen corresponding path program 1 times [2024-05-30 13:52:21,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:52:21,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660208871] [2024-05-30 13:52:21,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:52:21,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:52:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:52:22,239 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 13:52:22,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:52:22,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660208871] [2024-05-30 13:52:22,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660208871] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:52:22,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:52:22,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-30 13:52:22,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200614051] [2024-05-30 13:52:22,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:52:22,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-30 13:52:22,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:52:22,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-30 13:52:22,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-30 13:52:22,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:52:22,248 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:52:22,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 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 13:52:22,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:52:22,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-30 13:52:22,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 13:52:22,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:52:22,249 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:56:47,361 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 9067 states. [2024-05-30 13:56:47,361 INFO L212 cStratifiedReduction]: Copied states 2995 times. [2024-05-30 13:56:47,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:56:47,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-30 13:56:47,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 13:56:47,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-30 13:56:47,362 INFO L78 Accepts]: Start accepts. Automaton has currently 7598 states, but on-demand construction may add more states Word has length 103 [2024-05-30 13:56:47,362 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:56:47,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-30 13:56:47,363 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:56:47,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:56:47,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1965594229, now seen corresponding path program 1 times [2024-05-30 13:56:47,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:56:47,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872533111] [2024-05-30 13:56:47,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:56:47,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:56:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:56:49,415 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 13:56:49,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:56:49,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872533111] [2024-05-30 13:56:49,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872533111] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:56:49,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:56:49,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-05-30 13:56:49,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304292344] [2024-05-30 13:56:49,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:56:49,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-05-30 13:56:49,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:56:49,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-05-30 13:56:49,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2024-05-30 13:56:49,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:56:49,420 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:56:49,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 6.0588235294117645) internal successors, (103), 17 states have internal predecessors, (103), 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 13:56:49,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:56:49,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-30 13:56:49,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 13:56:49,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-30 13:56:49,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:56:49,420 INFO L199 cStratifiedReduction]: Start building reduction automaton Received shutdown request... [2024-05-30 13:57:05,297 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 13:57:05,297 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 13:57:05,300 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 648 states. [2024-05-30 13:57:05,300 INFO L212 cStratifiedReduction]: Copied states 19 times. [2024-05-30 13:57:05,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-05-30 13:57:05,301 WARN L619 AbstractCegarLoop]: Verification canceled: while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-10-4-5-3-4-3-3-2-1 context. [2024-05-30 13:57:05,303 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 13:57:05,371 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-05-30 13:57:05,373 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/4) [2024-05-30 13:57:05,374 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-30 13:57:05,374 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-30 13:57:05,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.05 01:57:05 BasicIcfg [2024-05-30 13:57:05,376 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-30 13:57:05,376 INFO L158 Benchmark]: Toolchain (without parser) took 802972.85ms. Allocated memory was 298.8MB in the beginning and 5.7GB in the end (delta: 5.4GB). Free memory was 229.5MB in the beginning and 3.0GB in the end (delta: -2.7GB). Peak memory consumption was 3.5GB. Max. memory is 8.0GB. [2024-05-30 13:57:05,377 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 178.3MB. Free memory is still 147.9MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-30 13:57:05,377 INFO L158 Benchmark]: CACSL2BoogieTranslator took 539.15ms. Allocated memory is still 298.8MB. Free memory was 229.2MB in the beginning and 259.2MB in the end (delta: -30.0MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2024-05-30 13:57:05,377 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.30ms. Allocated memory is still 298.8MB. Free memory was 259.2MB in the beginning and 256.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-30 13:57:05,377 INFO L158 Benchmark]: Boogie Preprocessor took 40.05ms. Allocated memory is still 298.8MB. Free memory was 256.6MB in the beginning and 254.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-05-30 13:57:05,378 INFO L158 Benchmark]: RCFGBuilder took 819.87ms. Allocated memory is still 298.8MB. Free memory was 254.0MB in the beginning and 259.8MB in the end (delta: -5.7MB). Peak memory consumption was 83.9MB. Max. memory is 8.0GB. [2024-05-30 13:57:05,378 INFO L158 Benchmark]: TraceAbstraction took 801490.82ms. Allocated memory was 298.8MB in the beginning and 5.7GB in the end (delta: 5.4GB). Free memory was 258.7MB in the beginning and 3.0GB in the end (delta: -2.7GB). Peak memory consumption was 3.6GB. Max. memory is 8.0GB. [2024-05-30 13:57:05,379 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 178.3MB. Free memory is still 147.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 539.15ms. Allocated memory is still 298.8MB. Free memory was 229.2MB in the beginning and 259.2MB in the end (delta: -30.0MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 78.30ms. Allocated memory is still 298.8MB. Free memory was 259.2MB in the beginning and 256.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 40.05ms. Allocated memory is still 298.8MB. Free memory was 256.6MB in the beginning and 254.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 819.87ms. Allocated memory is still 298.8MB. Free memory was 254.0MB in the beginning and 259.8MB in the end (delta: -5.7MB). Peak memory consumption was 83.9MB. Max. memory is 8.0GB. * TraceAbstraction took 801490.82ms. Allocated memory was 298.8MB in the beginning and 5.7GB in the end (delta: 5.4GB). Free memory was 258.7MB in the beginning and 3.0GB in the end (delta: -2.7GB). Peak memory consumption was 3.6GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 70365, independent: 69264, independent conditional: 69264, independent unconditional: 0, dependent: 364, dependent conditional: 364, dependent unconditional: 0, unknown: 737, unknown conditional: 737, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 70316, independent: 69264, independent conditional: 69264, independent unconditional: 0, dependent: 315, dependent conditional: 315, dependent unconditional: 0, unknown: 737, unknown conditional: 737, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 70316, independent: 69264, independent conditional: 69264, independent unconditional: 0, dependent: 315, dependent conditional: 315, dependent unconditional: 0, unknown: 737, unknown conditional: 737, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 73705, independent: 69264, independent conditional: 0, independent unconditional: 69264, dependent: 1436, dependent conditional: 1121, dependent unconditional: 315, unknown: 3005, unknown conditional: 2268, unknown unconditional: 737] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 73705, independent: 69264, independent conditional: 0, independent unconditional: 69264, dependent: 1436, dependent conditional: 0, dependent unconditional: 1436, unknown: 3005, unknown conditional: 0, unknown unconditional: 3005] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 73705, independent: 69264, independent conditional: 0, independent unconditional: 69264, dependent: 1436, dependent conditional: 0, dependent unconditional: 1436, unknown: 3005, unknown conditional: 0, unknown unconditional: 3005] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 70316, independent: 69264, independent conditional: 0, independent unconditional: 69264, dependent: 315, dependent conditional: 0, dependent unconditional: 315, unknown: 737, unknown conditional: 0, unknown unconditional: 737] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 70316, independent: 68893, independent conditional: 0, independent unconditional: 68893, dependent: 1423, dependent conditional: 0, dependent unconditional: 1423, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1423, independent: 371, independent conditional: 0, independent unconditional: 371, dependent: 315, dependent conditional: 0, dependent unconditional: 315, unknown: 737, unknown conditional: 0, unknown unconditional: 737] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1423, independent: 371, independent conditional: 0, independent unconditional: 371, dependent: 315, dependent conditional: 0, dependent unconditional: 315, unknown: 737, unknown conditional: 0, unknown unconditional: 737] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1423, independent: 371, independent conditional: 0, independent unconditional: 371, dependent: 315, dependent conditional: 0, dependent unconditional: 315, unknown: 737, unknown conditional: 0, unknown unconditional: 737] , SemanticIndependenceRelation.Query Time [ms]: [ total: 18056, independent: 221, independent conditional: 0, independent unconditional: 221, dependent: 564, dependent conditional: 0, dependent unconditional: 564, unknown: 17272, unknown conditional: 0, unknown unconditional: 17272] , Protected Queries: 0 ], Cache Queries: [ total: 73705, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1121, dependent conditional: 0, dependent unconditional: 1121, unknown: 72584, unknown conditional: 0, unknown unconditional: 72584] , Statistics on independence cache: Total cache size (in pairs): 69579, Positive cache size: 69264, Positive conditional cache size: 0, Positive unconditional cache size: 69264, Negative cache size: 315, Negative conditional cache size: 0, Negative unconditional cache size: 315, Unknown cache size: 737, Unknown conditional cache size: 0, Unknown unconditional cache size: 737, Eliminated conditions: 3389, Maximal queried relation: 5, Independence queries for same thread: 49 - StatisticsResult: Reduction benchmarks 39.4ms 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 23469.7ms Time before loop, 0.0ms Time in loop, 23.5s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 757, Duplicate States: 84, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 124601.1ms Time before loop, 0.0ms Time in loop, 124.6s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 3424, Duplicate States: 696, Protected Variables: 5 - StatisticsResult: Reduction benchmarks 368576.1ms Time before loop, 0.0ms Time in loop, 368.6s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 9599, Duplicate States: 3996, Protected Variables: 6 - StatisticsResult: Reduction benchmarks 265111.7ms Time before loop, 0.0ms Time in loop, 265.1s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 9067, Duplicate States: 2995, Protected Variables: 9 - StatisticsResult: Reduction benchmarks 15879.5ms Time before loop, 0.0ms Time in loop, 15.9s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 648, Duplicate States: 19, Protected Variables: 0 - StatisticsResult: Visitor Statistics States: 90, Transitions: 89, Traversal time: 0.0s - StatisticsResult: Visitor Statistics States: 685, Transitions: 795, Traversal time: 23.5s - StatisticsResult: Visitor Statistics States: 3347, Transitions: 4102, Traversal time: 124.6s - StatisticsResult: Visitor Statistics States: 9417, Transitions: 12423, Traversal time: 368.6s - StatisticsResult: Visitor Statistics States: 8835, Transitions: 11539, Traversal time: 265.1s - StatisticsResult: Visitor Statistics States: 593, Transitions: 619, Traversal time: 15.9s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 7, RedundantProofs: 4, ProvenStates: 311, Times there's more than one choice: 85, Avg number of choices: 1.7942122186495177 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PolyPacSimplificationTermWalker was simplifying a ∧-2-2-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-10-4-5-3-4-3-3-2-1 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: 801.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 797.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 49, 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, 3.0s InterpolantComputationTime, 470 NumberOfCodeBlocks, 470 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 465 ConstructedInterpolants, 0 QuantifiedInterpolants, 2459 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