/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/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-a4a1cd3-m [2024-05-30 12:09:31,586 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-30 12:09:31,655 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-05-30 12:09:31,658 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-30 12:09:31,658 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-30 12:09:31,658 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-05-30 12:09:31,684 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-30 12:09:31,685 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-30 12:09:31,686 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-30 12:09:31,689 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-30 12:09:31,689 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-30 12:09:31,689 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-30 12:09:31,689 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-30 12:09:31,691 INFO L153 SettingsManager]: * Use SBE=true [2024-05-30 12:09:31,691 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-30 12:09:31,691 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-30 12:09:31,691 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-30 12:09:31,692 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-30 12:09:31,692 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-30 12:09:31,692 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-30 12:09:31,692 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-30 12:09:31,693 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-30 12:09:31,693 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-30 12:09:31,693 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-30 12:09:31,693 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-30 12:09:31,693 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-30 12:09:31,694 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-30 12:09:31,694 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-30 12:09:31,694 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-30 12:09:31,694 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-30 12:09:31,695 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 12:09:31,696 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-30 12:09:31,696 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-30 12:09:31,696 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-05-30 12:09:31,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-30 12:09:31,697 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-30 12:09:31,698 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-05-30 12:09:31,698 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-05-30 12:09:31,698 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-30 12:09:31,698 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-30 12:09:31,698 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-30 12:09:31,699 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-30 12:09:31,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-30 12:09:31,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-30 12:09:31,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-30 12:09:31,991 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-30 12:09:31,991 INFO L274 PluginConnector]: CDTParser initialized [2024-05-30 12:09:31,992 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2024-05-30 12:09:33,032 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-30 12:09:33,275 INFO L384 CDTParser]: Found 1 translation units. [2024-05-30 12:09:33,275 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2024-05-30 12:09:33,288 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/bce025090/10e481ea84e843c1bb1b5b4429be2d12/FLAGac9f819d5 [2024-05-30 12:09:33,306 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/bce025090/10e481ea84e843c1bb1b5b4429be2d12 [2024-05-30 12:09:33,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-30 12:09:33,309 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-30 12:09:33,312 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-30 12:09:33,312 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-30 12:09:33,316 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-30 12:09:33,316 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 12:09:33" (1/1) ... [2024-05-30 12:09:33,317 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b486419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 12:09:33, skipping insertion in model container [2024-05-30 12:09:33,317 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 12:09:33" (1/1) ... [2024-05-30 12:09:33,359 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-30 12:09:33,537 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/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i[986,999] [2024-05-30 12:09:33,720 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 12:09:33,728 INFO L202 MainTranslator]: Completed pre-run [2024-05-30 12:09:33,737 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/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i[986,999] [2024-05-30 12:09:33,767 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 12:09:33,793 INFO L206 MainTranslator]: Completed translation [2024-05-30 12:09:33,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 12:09:33 WrapperNode [2024-05-30 12:09:33,794 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-30 12:09:33,795 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-30 12:09:33,795 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-30 12:09:33,795 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-30 12:09:33,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 12:09:33" (1/1) ... [2024-05-30 12:09:33,811 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 12:09:33" (1/1) ... [2024-05-30 12:09:33,834 INFO L138 Inliner]: procedures = 176, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 136 [2024-05-30 12:09:33,839 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-30 12:09:33,839 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-30 12:09:33,839 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-30 12:09:33,839 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-30 12:09:33,846 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 12:09:33" (1/1) ... [2024-05-30 12:09:33,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 12:09:33" (1/1) ... [2024-05-30 12:09:33,849 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 12:09:33" (1/1) ... [2024-05-30 12:09:33,849 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 12:09:33" (1/1) ... [2024-05-30 12:09:33,858 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 12:09:33" (1/1) ... [2024-05-30 12:09:33,861 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 12:09:33" (1/1) ... [2024-05-30 12:09:33,863 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 12:09:33" (1/1) ... [2024-05-30 12:09:33,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 12:09:33" (1/1) ... [2024-05-30 12:09:33,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-30 12:09:33,868 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-30 12:09:33,868 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-30 12:09:33,868 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-30 12:09:33,869 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 12:09:33" (1/1) ... [2024-05-30 12:09:33,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 12:09:33,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 12:09:33,913 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 12:09:33,931 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 12:09:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-30 12:09:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-30 12:09:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-30 12:09:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-30 12:09:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-30 12:09:33,948 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-05-30 12:09:33,949 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-05-30 12:09:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-05-30 12:09:33,949 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-05-30 12:09:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-05-30 12:09:33,949 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-05-30 12:09:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-30 12:09:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-30 12:09:33,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-30 12:09:33,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-30 12:09:33,950 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 12:09:34,099 INFO L241 CfgBuilder]: Building ICFG [2024-05-30 12:09:34,101 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-30 12:09:34,385 INFO L282 CfgBuilder]: Performing block encoding [2024-05-30 12:09:34,485 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-30 12:09:34,485 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-30 12:09:34,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 12:09:34 BoogieIcfgContainer [2024-05-30 12:09:34,486 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-30 12:09:34,488 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-30 12:09:34,488 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-30 12:09:34,490 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-30 12:09:34,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.05 12:09:33" (1/3) ... [2024-05-30 12:09:34,491 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f8a1d90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 12:09:34, skipping insertion in model container [2024-05-30 12:09:34,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 12:09:33" (2/3) ... [2024-05-30 12:09:34,492 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f8a1d90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 12:09:34, skipping insertion in model container [2024-05-30 12:09:34,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 12:09:34" (3/3) ... [2024-05-30 12:09:34,493 INFO L112 eAbstractionObserver]: Analyzing ICFG mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2024-05-30 12:09:34,500 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-30 12:09:34,507 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-30 12:09:34,507 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-05-30 12:09:34,508 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-30 12:09:34,556 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-30 12:09:34,604 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 12:09:34,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 12:09:34,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 12:09:34,610 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 12:09:34,611 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 12:09:34,677 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 12:09:34,687 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P0Err0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 12:09:34,694 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;@19e485f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 12:09:34,694 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 12:09:34,701 WARN L438 OrderReductionFacade]: DynamicStratifiedReduction did not find any initial state. Returning directly. [2024-05-30 12:09:34,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 12:09:34,711 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-30 12:09:34,714 INFO L308 ceAbstractionStarter]: Result for error location P0Err0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/6) [2024-05-30 12:09:34,725 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 12:09:34,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 12:09:34,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 12:09:34,766 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-30 12:09:34,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-05-30 12:09:34,771 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 12:09:34,771 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 12:09:34,772 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@19e485f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 12:09:34,772 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 12:09:34,776 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 12:09:34,803 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 148 states. [2024-05-30 12:09:34,803 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 12:09:34,808 INFO L78 Accepts]: Start accepts. Automaton has currently 150 states, but on-demand construction may add more states Word has length 73 [2024-05-30 12:09:34,810 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 12:09:34,810 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 12:09:34,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 12:09:34,815 INFO L85 PathProgramCache]: Analyzing trace with hash 645478608, now seen corresponding path program 1 times [2024-05-30 12:09:34,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 12:09:34,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071854881] [2024-05-30 12:09:34,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 12:09:34,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 12:09:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 12:09:35,136 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 12:09:35,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 12:09:35,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071854881] [2024-05-30 12:09:35,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071854881] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 12:09:35,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 12:09:35,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-30 12:09:35,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307433243] [2024-05-30 12:09:35,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 12:09:35,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-30 12:09:35,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 12:09:35,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-30 12:09:35,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-30 12:09:35,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 12:09:35,164 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 12:09:35,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 36.5) internal successors, (73), 2 states have internal predecessors, (73), 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 12:09:35,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 12:09:35,165 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 12:10:00,305 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 937 states. [2024-05-30 12:10:00,306 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 12:10:00,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 12:10:00,306 INFO L78 Accepts]: Start accepts. Automaton has currently 1729 states, but on-demand construction may add more states Word has length 72 [2024-05-30 12:10:00,307 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 12:10:00,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-30 12:10:00,307 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 12:10:00,308 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 12:10:00,308 INFO L85 PathProgramCache]: Analyzing trace with hash 400704319, now seen corresponding path program 1 times [2024-05-30 12:10:00,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 12:10:00,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453289154] [2024-05-30 12:10:00,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 12:10:00,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 12:10:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 12:10:00,721 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 12:10:00,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 12:10:00,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453289154] [2024-05-30 12:10:00,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453289154] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 12:10:00,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 12:10:00,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-30 12:10:00,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498270028] [2024-05-30 12:10:00,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 12:10:00,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-30 12:10:00,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 12:10:00,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-30 12:10:00,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-30 12:10:00,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 12:10:00,724 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 12:10:00,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 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 12:10:00,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 12:10:00,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 12:10:00,725 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 12:12:33,518 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 4506 states. [2024-05-30 12:12:33,518 INFO L212 cStratifiedReduction]: Copied states 60 times. [2024-05-30 12:12:33,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 12:12:33,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 12:12:33,519 INFO L78 Accepts]: Start accepts. Automaton has currently 6535 states, but on-demand construction may add more states Word has length 83 [2024-05-30 12:12:33,520 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 12:12:33,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-30 12:12:33,520 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 12:12:33,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 12:12:33,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1385179990, now seen corresponding path program 1 times [2024-05-30 12:12:33,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 12:12:33,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854665682] [2024-05-30 12:12:33,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 12:12:33,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 12:12:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 12:12:33,951 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 12:12:33,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 12:12:33,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854665682] [2024-05-30 12:12:33,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854665682] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 12:12:33,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 12:12:33,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-05-30 12:12:33,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99705066] [2024-05-30 12:12:33,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 12:12:33,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-30 12:12:33,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 12:12:33,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-30 12:12:33,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-05-30 12:12:33,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 12:12:33,954 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 12:12:33,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 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 12:12:33,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 12:12:33,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 12:12:33,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 12:12:33,955 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 12:17:45,086 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 5897 states. [2024-05-30 12:17:45,086 INFO L212 cStratifiedReduction]: Copied states 1257 times. [2024-05-30 12:17:45,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 12:17:45,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 12:17:45,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 12:17:45,088 INFO L78 Accepts]: Start accepts. Automaton has currently 6886 states, but on-demand construction may add more states Word has length 76 [2024-05-30 12:17:45,089 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 12:17:45,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-30 12:17:45,089 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 12:17:45,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 12:17:45,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1735532386, now seen corresponding path program 1 times [2024-05-30 12:17:45,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 12:17:45,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972146706] [2024-05-30 12:17:45,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 12:17:45,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 12:17:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 12:17:45,263 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 12:17:45,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 12:17:45,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972146706] [2024-05-30 12:17:45,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972146706] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 12:17:45,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 12:17:45,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-30 12:17:45,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165030516] [2024-05-30 12:17:45,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 12:17:45,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-30 12:17:45,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 12:17:45,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-30 12:17:45,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-05-30 12:17:45,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 12:17:45,267 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 12:17:45,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 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 12:17:45,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 12:17:45,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 12:17:45,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 12:17:45,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 12:17:45,267 INFO L199 cStratifiedReduction]: Start building reduction automaton Received shutdown request... [2024-05-30 12:23:21,198 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 6481 states. [2024-05-30 12:23:21,199 INFO L212 cStratifiedReduction]: Copied states 1165 times. [2024-05-30 12:23:21,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-30 12:23:21,200 WARN L619 AbstractCegarLoop]: Verification canceled: while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-11-4-4-4-4-3-3-2-1 context. [2024-05-30 12:23:21,200 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 12:23:21,215 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-30 12:23:21,219 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 12:23:21,221 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 12:23:21,250 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-05-30 12:23:21,250 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (2/6) [2024-05-30 12:23:21,252 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-30 12:23:21,252 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-30 12:23:21,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.05 12:23:21 BasicIcfg [2024-05-30 12:23:21,254 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-30 12:23:21,255 INFO L158 Benchmark]: Toolchain (without parser) took 827945.33ms. Allocated memory was 172.0MB in the beginning and 6.0GB in the end (delta: 5.8GB). Free memory was 105.7MB in the beginning and 4.8GB in the end (delta: -4.7GB). Peak memory consumption was 3.0GB. Max. memory is 8.0GB. [2024-05-30 12:23:21,255 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 172.0MB. Free memory is still 149.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-30 12:23:21,255 INFO L158 Benchmark]: CACSL2BoogieTranslator took 482.01ms. Allocated memory was 172.0MB in the beginning and 250.6MB in the end (delta: 78.6MB). Free memory was 105.3MB in the beginning and 210.4MB in the end (delta: -105.1MB). Peak memory consumption was 12.7MB. Max. memory is 8.0GB. [2024-05-30 12:23:21,255 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.89ms. Allocated memory is still 250.6MB. Free memory was 210.4MB in the beginning and 208.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-30 12:23:21,256 INFO L158 Benchmark]: Boogie Preprocessor took 28.20ms. Allocated memory is still 250.6MB. Free memory was 208.3MB in the beginning and 206.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-30 12:23:21,256 INFO L158 Benchmark]: RCFGBuilder took 617.90ms. Allocated memory is still 250.6MB. Free memory was 206.2MB in the beginning and 169.0MB in the end (delta: 37.2MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2024-05-30 12:23:21,256 INFO L158 Benchmark]: TraceAbstraction took 826766.76ms. Allocated memory was 250.6MB in the beginning and 6.0GB in the end (delta: 5.7GB). Free memory was 167.9MB in the beginning and 4.8GB in the end (delta: -4.6GB). Peak memory consumption was 3.0GB. Max. memory is 8.0GB. [2024-05-30 12:23:21,257 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 172.0MB. Free memory is still 149.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 482.01ms. Allocated memory was 172.0MB in the beginning and 250.6MB in the end (delta: 78.6MB). Free memory was 105.3MB in the beginning and 210.4MB in the end (delta: -105.1MB). Peak memory consumption was 12.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.89ms. Allocated memory is still 250.6MB. Free memory was 210.4MB in the beginning and 208.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.20ms. Allocated memory is still 250.6MB. Free memory was 208.3MB in the beginning and 206.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 617.90ms. Allocated memory is still 250.6MB. Free memory was 206.2MB in the beginning and 169.0MB in the end (delta: 37.2MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * TraceAbstraction took 826766.76ms. Allocated memory was 250.6MB in the beginning and 6.0GB in the end (delta: 5.7GB). Free memory was 167.9MB in the beginning and 4.8GB in the end (delta: -4.6GB). Peak memory consumption was 3.0GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Visitor Statistics States: 0, Transitions: 0, Traversal time: 16576514.7s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 0, RedundantProofs: 0, ProvenStates: 0, Times there's more than one choice: 0, Avg number of choices: NaN - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 52878, independent: 52031, independent conditional: 52031, independent unconditional: 0, dependent: 720, dependent conditional: 720, dependent unconditional: 0, unknown: 127, unknown conditional: 127, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 52730, independent: 52031, independent conditional: 52031, independent unconditional: 0, dependent: 572, dependent conditional: 572, dependent unconditional: 0, unknown: 127, unknown conditional: 127, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 52730, independent: 52031, independent conditional: 52031, independent unconditional: 0, dependent: 572, dependent conditional: 572, dependent unconditional: 0, unknown: 127, unknown conditional: 127, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 55068, independent: 52031, independent conditional: 0, independent unconditional: 52031, dependent: 2472, dependent conditional: 1900, dependent unconditional: 572, unknown: 565, unknown conditional: 438, unknown unconditional: 127] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 55068, independent: 52031, independent conditional: 0, independent unconditional: 52031, dependent: 2472, dependent conditional: 0, dependent unconditional: 2472, unknown: 565, unknown conditional: 0, unknown unconditional: 565] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 55068, independent: 52031, independent conditional: 0, independent unconditional: 52031, dependent: 2472, dependent conditional: 0, dependent unconditional: 2472, unknown: 565, unknown conditional: 0, unknown unconditional: 565] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 52730, independent: 52031, independent conditional: 0, independent unconditional: 52031, dependent: 572, dependent conditional: 0, dependent unconditional: 572, unknown: 127, unknown conditional: 0, unknown unconditional: 127] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 52730, independent: 51065, independent conditional: 0, independent unconditional: 51065, dependent: 1665, dependent conditional: 0, dependent unconditional: 1665, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1665, independent: 966, independent conditional: 0, independent unconditional: 966, dependent: 572, dependent conditional: 0, dependent unconditional: 572, unknown: 127, unknown conditional: 0, unknown unconditional: 127] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1665, independent: 966, independent conditional: 0, independent unconditional: 966, dependent: 572, dependent conditional: 0, dependent unconditional: 572, unknown: 127, unknown conditional: 0, unknown unconditional: 127] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1665, independent: 966, independent conditional: 0, independent unconditional: 966, dependent: 572, dependent conditional: 0, dependent unconditional: 572, unknown: 127, unknown conditional: 0, unknown unconditional: 127] , SemanticIndependenceRelation.Query Time [ms]: [ total: 252347, independent: 119465, independent conditional: 0, independent unconditional: 119465, dependent: 3347, dependent conditional: 0, dependent unconditional: 3347, unknown: 129536, unknown conditional: 0, unknown unconditional: 129536] , Protected Queries: 0 ], Cache Queries: [ total: 55068, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1900, dependent conditional: 0, dependent unconditional: 1900, unknown: 53168, unknown conditional: 0, unknown unconditional: 53168] , Statistics on independence cache: Total cache size (in pairs): 52603, Positive cache size: 52031, Positive conditional cache size: 0, Positive unconditional cache size: 52031, Negative cache size: 572, Negative conditional cache size: 0, Negative unconditional cache size: 572, Unknown cache size: 127, Unknown conditional cache size: 0, Unknown unconditional cache size: 127, Eliminated conditions: 2338, Maximal queried relation: 4, Independence queries for same thread: 148 - StatisticsResult: Reduction benchmarks 27.2ms Time before loop, 0.0ms Time in loop, 0.0s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 148, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 25140.3ms Time before loop, 0.0ms Time in loop, 25.1s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 937, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 152792.1ms Time before loop, 0.0ms Time in loop, 152.8s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 4506, Duplicate States: 60, Protected Variables: 8 - StatisticsResult: Reduction benchmarks 311130.8ms Time before loop, 0.0ms Time in loop, 311.1s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 5897, Duplicate States: 1257, Protected Variables: 10 - StatisticsResult: Reduction benchmarks 335930.3ms Time before loop, 0.0ms Time in loop, 335.9s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 6481, Duplicate States: 1165, Protected Variables: 10 - StatisticsResult: Visitor Statistics States: 74, Transitions: 73, Traversal time: 0.0s - StatisticsResult: Visitor Statistics States: 865, Transitions: 865, Traversal time: 25.1s - StatisticsResult: Visitor Statistics States: 4434, Transitions: 4799, Traversal time: 152.8s - StatisticsResult: Visitor Statistics States: 5753, Transitions: 7391, Traversal time: 311.1s - StatisticsResult: Visitor Statistics States: 6335, Transitions: 7963, Traversal time: 335.9s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 3, RedundantProofs: 2, ProvenStates: 147, Times there's more than one choice: 4, Avg number of choices: 1.0476190476190477 - PositiveResult [Line: 18]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - TimeoutResultAtElement [Line: 18]: 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 ∧-11-4-4-4-4-3-3-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for error location: P0Err0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 7 procedures, 147 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 7 procedures, 147 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 826.5s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 825.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 28, 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, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 304 NumberOfCodeBlocks, 304 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 300 ConstructedInterpolants, 0 QuantifiedInterpolants, 1404 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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