/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/safe015_rmo.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-a4a1cd3-m [2024-05-30 13:47:59,846 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-30 13:47:59,901 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-05-30 13:47:59,905 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-30 13:47:59,906 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-30 13:47:59,906 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-05-30 13:47:59,934 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-30 13:47:59,935 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-30 13:47:59,935 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-30 13:47:59,939 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-30 13:47:59,939 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-30 13:47:59,939 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-30 13:47:59,939 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-30 13:47:59,940 INFO L153 SettingsManager]: * Use SBE=true [2024-05-30 13:47:59,940 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-30 13:47:59,941 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-30 13:47:59,941 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-30 13:47:59,941 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-30 13:47:59,941 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-30 13:47:59,941 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-30 13:47:59,941 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-30 13:47:59,942 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-30 13:47:59,942 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-30 13:47:59,942 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-30 13:47:59,942 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-30 13:47:59,942 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-30 13:47:59,942 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-30 13:47:59,942 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-30 13:47:59,943 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-30 13:47:59,943 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-30 13:47:59,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 13:47:59,944 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-30 13:47:59,944 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-30 13:47:59,944 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-05-30 13:47:59,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-30 13:47:59,969 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-30 13:47:59,969 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-05-30 13:47:59,969 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-05-30 13:47:59,969 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-30 13:47:59,969 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-30 13:47:59,970 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-30 13:47:59,970 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-30 13:48:00,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-30 13:48:00,215 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-30 13:48:00,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-30 13:48:00,218 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-30 13:48:00,218 INFO L274 PluginConnector]: CDTParser initialized [2024-05-30 13:48:00,220 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe015_rmo.i [2024-05-30 13:48:01,254 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-30 13:48:01,466 INFO L384 CDTParser]: Found 1 translation units. [2024-05-30 13:48:01,466 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe015_rmo.i [2024-05-30 13:48:01,477 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/436152d1d/086d08d0b8a04a64bcb55296f654c70c/FLAGa82287b76 [2024-05-30 13:48:01,489 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/436152d1d/086d08d0b8a04a64bcb55296f654c70c [2024-05-30 13:48:01,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-30 13:48:01,492 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-30 13:48:01,493 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-30 13:48:01,493 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-30 13:48:01,496 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-30 13:48:01,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 01:48:01" (1/1) ... [2024-05-30 13:48:01,497 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4afa696d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:48:01, skipping insertion in model container [2024-05-30 13:48:01,497 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 01:48:01" (1/1) ... [2024-05-30 13:48:01,538 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-30 13:48:01,656 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/safe015_rmo.i[988,1001] [2024-05-30 13:48:01,795 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 13:48:01,804 INFO L202 MainTranslator]: Completed pre-run [2024-05-30 13:48:01,813 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/safe015_rmo.i[988,1001] [2024-05-30 13:48:01,882 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 13:48:01,909 INFO L206 MainTranslator]: Completed translation [2024-05-30 13:48:01,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:48:01 WrapperNode [2024-05-30 13:48:01,910 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-30 13:48:01,911 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-30 13:48:01,911 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-30 13:48:01,912 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-30 13:48:01,917 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:48:01" (1/1) ... [2024-05-30 13:48:01,935 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:48:01" (1/1) ... [2024-05-30 13:48:01,961 INFO L138 Inliner]: procedures = 176, calls = 84, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 168 [2024-05-30 13:48:01,961 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-30 13:48:01,962 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-30 13:48:01,962 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-30 13:48:01,962 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-30 13:48:01,969 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:48:01" (1/1) ... [2024-05-30 13:48:01,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:48:01" (1/1) ... [2024-05-30 13:48:01,972 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:48:01" (1/1) ... [2024-05-30 13:48:01,973 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:48:01" (1/1) ... [2024-05-30 13:48:01,979 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:48:01" (1/1) ... [2024-05-30 13:48:01,985 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:48:01" (1/1) ... [2024-05-30 13:48:01,987 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:48:01" (1/1) ... [2024-05-30 13:48:01,988 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:48:01" (1/1) ... [2024-05-30 13:48:01,991 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-30 13:48:01,991 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-30 13:48:01,991 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-30 13:48:01,992 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-30 13:48:01,992 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:48:01" (1/1) ... [2024-05-30 13:48:01,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 13:48:02,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 13:48:02,022 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 13:48:02,028 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 13:48:02,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-30 13:48:02,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-30 13:48:02,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-30 13:48:02,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-30 13:48:02,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-30 13:48:02,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-30 13:48:02,060 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-05-30 13:48:02,060 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-05-30 13:48:02,060 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-05-30 13:48:02,060 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-05-30 13:48:02,062 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-05-30 13:48:02,062 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-05-30 13:48:02,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-30 13:48:02,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-30 13:48:02,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-30 13:48:02,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-30 13:48:02,064 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 13:48:02,257 INFO L241 CfgBuilder]: Building ICFG [2024-05-30 13:48:02,258 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-30 13:48:02,616 INFO L282 CfgBuilder]: Performing block encoding [2024-05-30 13:48:02,816 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-30 13:48:02,816 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-30 13:48:02,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 01:48:02 BoogieIcfgContainer [2024-05-30 13:48:02,817 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-30 13:48:02,819 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-30 13:48:02,820 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-30 13:48:02,823 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-30 13:48:02,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.05 01:48:01" (1/3) ... [2024-05-30 13:48:02,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a0088ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 01:48:02, skipping insertion in model container [2024-05-30 13:48:02,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:48:01" (2/3) ... [2024-05-30 13:48:02,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a0088ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 01:48:02, skipping insertion in model container [2024-05-30 13:48:02,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 01:48:02" (3/3) ... [2024-05-30 13:48:02,826 INFO L112 eAbstractionObserver]: Analyzing ICFG safe015_rmo.i [2024-05-30 13:48:02,834 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-30 13:48:02,842 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-30 13:48:02,842 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-30 13:48:02,842 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-30 13:48:02,896 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-30 13:48:02,949 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 13:48:02,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 13:48:02,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 13:48:02,952 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 13:48:02,975 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 13:48:03,003 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 13:48:03,012 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 13:48:03,020 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;@13673782, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 13:48:03,020 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 13:48:03,028 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:48:03,078 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 163 states. [2024-05-30 13:48:03,079 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 13:48:03,082 INFO L78 Accepts]: Start accepts. Automaton has currently 165 states, but on-demand construction may add more states Word has length 88 [2024-05-30 13:48:03,084 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:48:03,084 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:48:03,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:48:03,088 INFO L85 PathProgramCache]: Analyzing trace with hash -636617787, now seen corresponding path program 1 times [2024-05-30 13:48:03,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:48:03,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747723305] [2024-05-30 13:48:03,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:48:03,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:48:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:48:03,420 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 13:48:03,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:48:03,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747723305] [2024-05-30 13:48:03,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747723305] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:48:03,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:48:03,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-30 13:48:03,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605598159] [2024-05-30 13:48:03,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:48:03,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-30 13:48:03,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:48:03,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-30 13:48:03,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-30 13:48:03,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:48:03,452 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:48:03,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 44.0) internal successors, (88), 2 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 13:48:03,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:48:03,453 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:48:28,820 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 823 states. [2024-05-30 13:48:28,821 INFO L212 cStratifiedReduction]: Copied states 87 times. [2024-05-30 13:48:28,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:48:28,822 INFO L78 Accepts]: Start accepts. Automaton has currently 1312 states, but on-demand construction may add more states Word has length 87 [2024-05-30 13:48:28,823 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:48:28,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-30 13:48:28,823 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:48:28,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:48:28,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1091652717, now seen corresponding path program 1 times [2024-05-30 13:48:28,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:48:28,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650300936] [2024-05-30 13:48:28,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:48:28,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:48:28,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:48:29,262 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 13:48:29,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:48:29,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650300936] [2024-05-30 13:48:29,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650300936] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:48:29,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:48:29,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-30 13:48:29,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416088998] [2024-05-30 13:48:29,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:48:29,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-30 13:48:29,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:48:29,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-30 13:48:29,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-30 13:48:29,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:48:29,265 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:48:29,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 13:48:29,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:48:29,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:48:29,266 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:50:40,343 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 3782 states. [2024-05-30 13:50:40,344 INFO L212 cStratifiedReduction]: Copied states 735 times. [2024-05-30 13:50:40,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:50:40,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:50:40,344 INFO L78 Accepts]: Start accepts. Automaton has currently 4198 states, but on-demand construction may add more states Word has length 89 [2024-05-30 13:50:40,345 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:50:40,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-30 13:50:40,345 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:50:40,346 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:50:40,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1609750228, now seen corresponding path program 1 times [2024-05-30 13:50:40,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:50:40,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622719525] [2024-05-30 13:50:40,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:50:40,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:50:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:50:41,640 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 13:50:41,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:50:41,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622719525] [2024-05-30 13:50:41,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622719525] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:50:41,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:50:41,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-05-30 13:50:41,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732532307] [2024-05-30 13:50:41,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:50:41,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-05-30 13:50:41,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:50:41,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-05-30 13:50:41,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2024-05-30 13:50:41,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:50:41,645 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:50:41,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.944444444444445) internal successors, (89), 18 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 13:50:41,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:50:41,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:50:41,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:50:41,645 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:54:58,186 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 6601 states. [2024-05-30 13:54:58,187 INFO L212 cStratifiedReduction]: Copied states 1745 times. [2024-05-30 13:54:58,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:54:58,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:54:58,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-30 13:54:58,187 INFO L78 Accepts]: Start accepts. Automaton has currently 6453 states, but on-demand construction may add more states Word has length 97 [2024-05-30 13:54:58,188 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:54:58,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-30 13:54:58,188 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:54:58,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:54:58,189 INFO L85 PathProgramCache]: Analyzing trace with hash -2129163304, now seen corresponding path program 1 times [2024-05-30 13:54:58,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:54:58,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995380815] [2024-05-30 13:54:58,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:54:58,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:54:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:54:58,605 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 13:54:58,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:54:58,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995380815] [2024-05-30 13:54:58,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995380815] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:54:58,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:54:58,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-30 13:54:58,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190306905] [2024-05-30 13:54:58,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:54:58,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-30 13:54:58,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:54:58,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-30 13:54:58,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-05-30 13:54:58,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:54:58,611 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:54:58,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 7 states have internal predecessors, (97), 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 13:54:58,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:54:58,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:54:58,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-30 13:54:58,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:54:58,612 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:59:51,300 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 6646 states. [2024-05-30 13:59:51,300 INFO L212 cStratifiedReduction]: Copied states 1590 times. [2024-05-30 13:59:51,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:59:51,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:59:51,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-30 13:59:51,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-30 13:59:51,304 INFO L78 Accepts]: Start accepts. Automaton has currently 6698 states, but on-demand construction may add more states Word has length 104 [2024-05-30 13:59:51,305 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:59:51,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-30 13:59:51,305 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:59:51,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:59:51,305 INFO L85 PathProgramCache]: Analyzing trace with hash -2023289381, now seen corresponding path program 1 times [2024-05-30 13:59:51,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:59:51,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842598331] [2024-05-30 13:59:51,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:59:51,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:59:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:59:51,531 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 13:59:51,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:59:51,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842598331] [2024-05-30 13:59:51,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842598331] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:59:51,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:59:51,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-30 13:59:51,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425641801] [2024-05-30 13:59:51,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:59:51,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-30 13:59:51,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:59:51,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-30 13:59:51,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-30 13:59:51,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:59:51,535 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:59:51,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 6 states have internal predecessors, (104), 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 13:59:51,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:59:51,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:59:51,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-30 13:59:51,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-30 13:59:51,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:59:51,535 INFO L199 cStratifiedReduction]: Start building reduction automaton Received shutdown request... [2024-05-30 14:01:29,526 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 2541 states. [2024-05-30 14:01:29,526 INFO L212 cStratifiedReduction]: Copied states 327 times. [2024-05-30 14:01:29,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-05-30 14:01:29,527 WARN L619 AbstractCegarLoop]: Verification canceled: while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-11-4-5-4-4-3-3-2-1 context. [2024-05-30 14:01:29,530 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 14:01:29,562 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 14:01:29,562 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 14:01:29,601 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-05-30 14:01:29,602 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/4) [2024-05-30 14:01:29,604 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-30 14:01:29,604 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-30 14:01:29,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.05 02:01:29 BasicIcfg [2024-05-30 14:01:29,606 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-30 14:01:29,607 INFO L158 Benchmark]: Toolchain (without parser) took 808114.65ms. Allocated memory was 273.7MB in the beginning and 5.8GB in the end (delta: 5.5GB). Free memory was 200.7MB in the beginning and 2.7GB in the end (delta: -2.5GB). Peak memory consumption was 3.9GB. Max. memory is 8.0GB. [2024-05-30 14:01:29,607 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 273.7MB. Free memory is still 240.2MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-30 14:01:29,607 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.48ms. Allocated memory is still 273.7MB. Free memory was 200.5MB in the beginning and 174.2MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2024-05-30 14:01:29,607 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.55ms. Allocated memory is still 273.7MB. Free memory was 174.2MB in the beginning and 171.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-30 14:01:29,608 INFO L158 Benchmark]: Boogie Preprocessor took 28.87ms. Allocated memory is still 273.7MB. Free memory was 171.3MB in the beginning and 168.9MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-05-30 14:01:29,608 INFO L158 Benchmark]: RCFGBuilder took 825.65ms. Allocated memory is still 273.7MB. Free memory was 168.7MB in the beginning and 164.3MB in the end (delta: 4.4MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-05-30 14:01:29,608 INFO L158 Benchmark]: TraceAbstraction took 806786.85ms. Allocated memory was 273.7MB in the beginning and 5.8GB in the end (delta: 5.5GB). Free memory was 163.3MB in the beginning and 2.7GB in the end (delta: -2.6GB). Peak memory consumption was 3.9GB. Max. memory is 8.0GB. [2024-05-30 14:01:29,609 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 273.7MB. Free memory is still 240.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 417.48ms. Allocated memory is still 273.7MB. Free memory was 200.5MB in the beginning and 174.2MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.55ms. Allocated memory is still 273.7MB. Free memory was 174.2MB in the beginning and 171.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.87ms. Allocated memory is still 273.7MB. Free memory was 171.3MB in the beginning and 168.9MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 825.65ms. Allocated memory is still 273.7MB. Free memory was 168.7MB in the beginning and 164.3MB in the end (delta: 4.4MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 806786.85ms. Allocated memory was 273.7MB in the beginning and 5.8GB in the end (delta: 5.5GB). Free memory was 163.3MB in the beginning and 2.7GB in the end (delta: -2.6GB). Peak memory consumption was 3.9GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 62252, independent: 61054, independent conditional: 61054, independent unconditional: 0, dependent: 219, dependent conditional: 219, dependent unconditional: 0, unknown: 979, unknown conditional: 979, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 62248, independent: 61054, independent conditional: 61054, independent unconditional: 0, dependent: 215, dependent conditional: 215, dependent unconditional: 0, unknown: 979, unknown conditional: 979, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 62248, independent: 61054, independent conditional: 61054, independent unconditional: 0, dependent: 215, dependent conditional: 215, dependent unconditional: 0, unknown: 979, unknown conditional: 979, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 66316, independent: 61054, independent conditional: 0, independent unconditional: 61054, dependent: 932, dependent conditional: 717, dependent unconditional: 215, unknown: 4330, unknown conditional: 3351, unknown unconditional: 979] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 66316, independent: 61054, independent conditional: 0, independent unconditional: 61054, dependent: 932, dependent conditional: 0, dependent unconditional: 932, unknown: 4330, unknown conditional: 0, unknown unconditional: 4330] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 66316, independent: 61054, independent conditional: 0, independent unconditional: 61054, dependent: 932, dependent conditional: 0, dependent unconditional: 932, unknown: 4330, unknown conditional: 0, unknown unconditional: 4330] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 62248, independent: 61054, independent conditional: 0, independent unconditional: 61054, dependent: 215, dependent conditional: 0, dependent unconditional: 215, unknown: 979, unknown conditional: 0, unknown unconditional: 979] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 62248, independent: 60892, independent conditional: 0, independent unconditional: 60892, dependent: 1356, dependent conditional: 0, dependent unconditional: 1356, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1356, independent: 162, independent conditional: 0, independent unconditional: 162, dependent: 215, dependent conditional: 0, dependent unconditional: 215, unknown: 979, unknown conditional: 0, unknown unconditional: 979] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1356, independent: 162, independent conditional: 0, independent unconditional: 162, dependent: 215, dependent conditional: 0, dependent unconditional: 215, unknown: 979, unknown conditional: 0, unknown unconditional: 979] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1356, independent: 162, independent conditional: 0, independent unconditional: 162, dependent: 215, dependent conditional: 0, dependent unconditional: 215, unknown: 979, unknown conditional: 0, unknown unconditional: 979] , SemanticIndependenceRelation.Query Time [ms]: [ total: 23118, independent: 925, independent conditional: 0, independent unconditional: 925, dependent: 2232, dependent conditional: 0, dependent unconditional: 2232, unknown: 19960, unknown conditional: 0, unknown unconditional: 19960] , Protected Queries: 0 ], Cache Queries: [ total: 66316, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 717, dependent conditional: 0, dependent unconditional: 717, unknown: 65599, unknown conditional: 0, unknown unconditional: 65599] , Statistics on independence cache: Total cache size (in pairs): 61269, Positive cache size: 61054, Positive conditional cache size: 0, Positive unconditional cache size: 61054, Negative cache size: 215, Negative conditional cache size: 0, Negative unconditional cache size: 215, Unknown cache size: 979, Unknown conditional cache size: 0, Unknown unconditional cache size: 979, Eliminated conditions: 4068, Maximal queried relation: 5, Independence queries for same thread: 4 - StatisticsResult: Reduction benchmarks 49.8ms Time before loop, 0.0ms Time in loop, 0.0s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 163, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 25367.0ms Time before loop, 0.0ms Time in loop, 25.4s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 823, Duplicate States: 87, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 131077.1ms Time before loop, 0.0ms Time in loop, 131.1s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 3782, Duplicate States: 735, Protected Variables: 4 - StatisticsResult: Reduction benchmarks 256540.7ms Time before loop, 0.0ms Time in loop, 256.5s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 6601, Duplicate States: 1745, Protected Variables: 15 - StatisticsResult: Reduction benchmarks 292687.5ms Time before loop, 0.0ms Time in loop, 292.7s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 6646, Duplicate States: 1590, Protected Variables: 16 - StatisticsResult: Reduction benchmarks 97990.2ms Time before loop, 0.0ms Time in loop, 98.0s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 2541, Duplicate States: 327, Protected Variables: 9 - StatisticsResult: Visitor Statistics States: 89, Transitions: 88, Traversal time: 0.0s - StatisticsResult: Visitor Statistics States: 751, Transitions: 865, Traversal time: 25.4s - StatisticsResult: Visitor Statistics States: 3705, Transitions: 4504, Traversal time: 131.1s - StatisticsResult: Visitor Statistics States: 6515, Transitions: 8310, Traversal time: 256.5s - StatisticsResult: Visitor Statistics States: 6559, Transitions: 8844, Traversal time: 292.7s - StatisticsResult: Visitor Statistics States: 2498, Transitions: 2929, Traversal time: 98.0s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 6, RedundantProofs: 3, ProvenStates: 16, Times there's more than one choice: 8, Avg number of choices: 1.9375 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-11-4-5-4-4-3-3-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 7 procedures, 156 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 806.6s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 803.7s, 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, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 465 NumberOfCodeBlocks, 465 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 460 ConstructedInterpolants, 0 QuantifiedInterpolants, 2502 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