/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/safe003_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-a4a1cd3-m [2024-05-30 13:23:40,182 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-30 13:23:40,229 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-05-30 13:23:40,232 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-30 13:23:40,232 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-30 13:23:40,233 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-05-30 13:23:40,257 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-30 13:23:40,257 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-30 13:23:40,257 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-30 13:23:40,258 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-30 13:23:40,258 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-30 13:23:40,258 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-30 13:23:40,259 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-30 13:23:40,259 INFO L153 SettingsManager]: * Use SBE=true [2024-05-30 13:23:40,259 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-30 13:23:40,263 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-30 13:23:40,264 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-30 13:23:40,266 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-30 13:23:40,266 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-30 13:23:40,266 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-30 13:23:40,266 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-30 13:23:40,267 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-30 13:23:40,268 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-30 13:23:40,268 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-30 13:23:40,268 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-30 13:23:40,268 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-30 13:23:40,268 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-30 13:23:40,268 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-30 13:23:40,269 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-30 13:23:40,269 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-30 13:23:40,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 13:23:40,270 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-30 13:23:40,270 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-30 13:23:40,270 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-05-30 13:23:40,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-30 13:23:40,270 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-30 13:23:40,270 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-05-30 13:23:40,271 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-05-30 13:23:40,271 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-30 13:23:40,271 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-30 13:23:40,271 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-30 13:23:40,272 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-30 13:23:40,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-30 13:23:40,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-30 13:23:40,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-30 13:23:40,506 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-30 13:23:40,506 INFO L274 PluginConnector]: CDTParser initialized [2024-05-30 13:23:40,508 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe003_power.opt.i [2024-05-30 13:23:41,583 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-30 13:23:41,817 INFO L384 CDTParser]: Found 1 translation units. [2024-05-30 13:23:41,817 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe003_power.opt.i [2024-05-30 13:23:41,829 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/825802750/66dce84cc64a4ea58937e21417eb348f/FLAG0c2f90a0e [2024-05-30 13:23:41,839 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/825802750/66dce84cc64a4ea58937e21417eb348f [2024-05-30 13:23:41,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-30 13:23:41,843 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-30 13:23:41,844 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-30 13:23:41,844 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-30 13:23:41,855 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-30 13:23:41,856 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 01:23:41" (1/1) ... [2024-05-30 13:23:41,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1af0be64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:23:41, skipping insertion in model container [2024-05-30 13:23:41,856 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 01:23:41" (1/1) ... [2024-05-30 13:23:41,893 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-30 13:23:42,010 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/safe003_power.opt.i[951,964] [2024-05-30 13:23:42,190 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 13:23:42,199 INFO L202 MainTranslator]: Completed pre-run [2024-05-30 13:23:42,215 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/safe003_power.opt.i[951,964] [2024-05-30 13:23:42,277 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 13:23:42,308 INFO L206 MainTranslator]: Completed translation [2024-05-30 13:23:42,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:23:42 WrapperNode [2024-05-30 13:23:42,309 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-30 13:23:42,310 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-30 13:23:42,310 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-30 13:23:42,310 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-30 13:23:42,315 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:23:42" (1/1) ... [2024-05-30 13:23:42,341 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:23:42" (1/1) ... [2024-05-30 13:23:42,367 INFO L138 Inliner]: procedures = 176, calls = 73, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 180 [2024-05-30 13:23:42,368 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-30 13:23:42,369 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-30 13:23:42,370 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-30 13:23:42,370 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-30 13:23:42,376 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:23:42" (1/1) ... [2024-05-30 13:23:42,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:23:42" (1/1) ... [2024-05-30 13:23:42,379 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:23:42" (1/1) ... [2024-05-30 13:23:42,379 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:23:42" (1/1) ... [2024-05-30 13:23:42,393 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:23:42" (1/1) ... [2024-05-30 13:23:42,394 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:23:42" (1/1) ... [2024-05-30 13:23:42,396 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:23:42" (1/1) ... [2024-05-30 13:23:42,397 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:23:42" (1/1) ... [2024-05-30 13:23:42,400 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-30 13:23:42,401 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-30 13:23:42,401 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-30 13:23:42,401 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-30 13:23:42,401 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:23:42" (1/1) ... [2024-05-30 13:23:42,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 13:23:42,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 13:23:42,436 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 13:23:42,461 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 13:23:42,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-30 13:23:42,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-30 13:23:42,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-30 13:23:42,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-30 13:23:42,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-30 13:23:42,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-30 13:23:42,501 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-05-30 13:23:42,501 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-05-30 13:23:42,501 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-05-30 13:23:42,501 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-05-30 13:23:42,502 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-05-30 13:23:42,503 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-05-30 13:23:42,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-30 13:23:42,503 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-30 13:23:42,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-30 13:23:42,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-30 13:23:42,505 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 13:23:42,664 INFO L241 CfgBuilder]: Building ICFG [2024-05-30 13:23:42,665 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-30 13:23:42,985 INFO L282 CfgBuilder]: Performing block encoding [2024-05-30 13:23:43,198 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-30 13:23:43,198 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-30 13:23:43,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 01:23:43 BoogieIcfgContainer [2024-05-30 13:23:43,198 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-30 13:23:43,201 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-30 13:23:43,202 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-30 13:23:43,204 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-30 13:23:43,205 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.05 01:23:41" (1/3) ... [2024-05-30 13:23:43,205 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@784dd22f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 01:23:43, skipping insertion in model container [2024-05-30 13:23:43,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:23:42" (2/3) ... [2024-05-30 13:23:43,206 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@784dd22f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 01:23:43, skipping insertion in model container [2024-05-30 13:23:43,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 01:23:43" (3/3) ... [2024-05-30 13:23:43,208 INFO L112 eAbstractionObserver]: Analyzing ICFG safe003_power.opt.i [2024-05-30 13:23:43,215 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-30 13:23:43,222 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-30 13:23:43,222 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-05-30 13:23:43,222 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-30 13:23:43,282 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-30 13:23:43,331 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 13:23:43,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 13:23:43,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 13:23:43,334 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 13:23:43,340 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 13:23:43,378 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 13:23:43,385 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P0Err0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 13:23:43,390 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;@67f038f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 13:23:43,390 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 13:23:43,393 WARN L438 OrderReductionFacade]: DynamicStratifiedReduction did not find any initial state. Returning directly. [2024-05-30 13:23:43,394 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 13:23:43,402 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-30 13:23:43,403 INFO L308 ceAbstractionStarter]: Result for error location P0Err0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/6) [2024-05-30 13:23:43,410 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 13:23:43,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 13:23:43,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 13:23:43,446 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-30 13:23:43,450 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 13:23:43,450 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 13:23:43,451 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;@67f038f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 13:23:43,451 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 13:23:43,455 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:23:43,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-05-30 13:23:43,480 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 164 states. [2024-05-30 13:23:43,480 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 13:23:43,482 INFO L78 Accepts]: Start accepts. Automaton has currently 166 states, but on-demand construction may add more states Word has length 89 [2024-05-30 13:23:43,484 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:23:43,485 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:23:43,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:23:43,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1520117551, now seen corresponding path program 1 times [2024-05-30 13:23:43,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:23:43,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958559641] [2024-05-30 13:23:43,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:23:43,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:23:43,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:23:43,709 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 13:23:43,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:23:43,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958559641] [2024-05-30 13:23:43,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958559641] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:23:43,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:23:43,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-30 13:23:43,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518212965] [2024-05-30 13:23:43,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:23:43,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-30 13:23:43,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:23:43,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-30 13:23:43,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-30 13:23:43,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:23:43,735 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:23:43,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 44.5) internal successors, (89), 2 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 13:23:43,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:23:43,736 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:24:19,869 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 840 states. [2024-05-30 13:24:19,869 INFO L212 cStratifiedReduction]: Copied states 103 times. [2024-05-30 13:24:19,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:24:19,870 INFO L78 Accepts]: Start accepts. Automaton has currently 1313 states, but on-demand construction may add more states Word has length 88 [2024-05-30 13:24:19,870 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:24:19,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-30 13:24:19,871 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:24:19,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:24:19,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1828754265, now seen corresponding path program 1 times [2024-05-30 13:24:19,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:24:19,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353720456] [2024-05-30 13:24:19,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:24:19,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:24:19,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:24:20,335 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 13:24:20,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:24:20,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353720456] [2024-05-30 13:24:20,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353720456] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:24:20,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:24:20,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-30 13:24:20,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658769779] [2024-05-30 13:24:20,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:24:20,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-30 13:24:20,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:24:20,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-30 13:24:20,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-30 13:24:20,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:24:20,339 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:24:20,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 13:24:20,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:24:20,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:24:20,340 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:28:54,341 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 5110 states. [2024-05-30 13:28:54,341 INFO L212 cStratifiedReduction]: Copied states 2050 times. [2024-05-30 13:28:54,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:28:54,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:28:54,342 INFO L78 Accepts]: Start accepts. Automaton has currently 4206 states, but on-demand construction may add more states Word has length 101 [2024-05-30 13:28:54,343 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:28:54,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-30 13:28:54,343 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:28:54,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:28:54,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1334014623, now seen corresponding path program 1 times [2024-05-30 13:28:54,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:28:54,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953834970] [2024-05-30 13:28:54,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:28:54,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:28:54,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:28:54,792 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 13:28:54,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:28:54,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953834970] [2024-05-30 13:28:54,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953834970] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:28:54,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:28:54,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-30 13:28:54,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901260238] [2024-05-30 13:28:54,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:28:54,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-30 13:28:54,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:28:54,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-30 13:28:54,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-30 13:28:54,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:28:54,796 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:28:54,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 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 13:28:54,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:28:54,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:28:54,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:28:54,797 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:33:17,940 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 5481 states. [2024-05-30 13:33:17,940 INFO L212 cStratifiedReduction]: Copied states 2650 times. [2024-05-30 13:33:17,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:33:17,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:33:17,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-30 13:33:17,941 INFO L78 Accepts]: Start accepts. Automaton has currently 4090 states, but on-demand construction may add more states Word has length 105 [2024-05-30 13:33:17,942 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:33:17,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-30 13:33:17,942 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:33:17,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:33:17,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1574360676, now seen corresponding path program 1 times [2024-05-30 13:33:17,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:33:17,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822519206] [2024-05-30 13:33:17,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:33:17,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:33:18,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:33:18,195 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 13:33:18,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:33:18,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822519206] [2024-05-30 13:33:18,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822519206] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:33:18,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:33:18,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-30 13:33:18,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40365077] [2024-05-30 13:33:18,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:33:18,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-30 13:33:18,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:33:18,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-30 13:33:18,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-30 13:33:18,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:33:18,198 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:33:18,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 13:33:18,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:33:18,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:33:18,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-30 13:33:18,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:33:18,199 INFO L199 cStratifiedReduction]: Start building reduction automaton Received shutdown request... [2024-05-30 13:37:31,441 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-30 13:37:31,441 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 5389 states. [2024-05-30 13:37:31,442 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-30 13:37:31,442 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-30 13:37:31,442 INFO L212 cStratifiedReduction]: Copied states 2138 times. [2024-05-30 13:37:31,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-30 13:37:31,442 WARN L619 AbstractCegarLoop]: Verification canceled: while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-23-2-10-3-8-5-7-5-5-5-4-5-4-2-2-2-2-5-4-5-4-1 context. [2024-05-30 13:37:31,442 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 13:37:31,498 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-05-30 13:37:31,499 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (2/6) [2024-05-30 13:37:31,500 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-30 13:37:31,507 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-30 13:37:31,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.05 01:37:31 BasicIcfg [2024-05-30 13:37:31,510 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-30 13:37:31,510 INFO L158 Benchmark]: Toolchain (without parser) took 829667.53ms. Allocated memory was 154.1MB in the beginning and 4.7GB in the end (delta: 4.6GB). Free memory was 83.0MB in the beginning and 3.6GB in the end (delta: -3.6GB). Peak memory consumption was 3.8GB. Max. memory is 8.0GB. [2024-05-30 13:37:31,510 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 154.1MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-30 13:37:31,511 INFO L158 Benchmark]: CACSL2BoogieTranslator took 465.53ms. Allocated memory was 154.1MB in the beginning and 268.4MB in the end (delta: 114.3MB). Free memory was 82.7MB in the beginning and 224.5MB in the end (delta: -141.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2024-05-30 13:37:31,511 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.97ms. Allocated memory is still 268.4MB. Free memory was 224.5MB in the beginning and 221.9MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-05-30 13:37:31,511 INFO L158 Benchmark]: Boogie Preprocessor took 30.57ms. Allocated memory is still 268.4MB. Free memory was 221.9MB in the beginning and 219.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-30 13:37:31,511 INFO L158 Benchmark]: RCFGBuilder took 798.36ms. Allocated memory is still 268.4MB. Free memory was 219.3MB in the beginning and 138.5MB in the end (delta: 80.7MB). Peak memory consumption was 80.7MB. Max. memory is 8.0GB. [2024-05-30 13:37:31,511 INFO L158 Benchmark]: TraceAbstraction took 828308.35ms. Allocated memory was 268.4MB in the beginning and 4.7GB in the end (delta: 4.5GB). Free memory was 137.5MB in the beginning and 3.6GB in the end (delta: -3.5GB). Peak memory consumption was 3.7GB. Max. memory is 8.0GB. [2024-05-30 13:37:31,513 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 154.1MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 465.53ms. Allocated memory was 154.1MB in the beginning and 268.4MB in the end (delta: 114.3MB). Free memory was 82.7MB in the beginning and 224.5MB in the end (delta: -141.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 58.97ms. Allocated memory is still 268.4MB. Free memory was 224.5MB in the beginning and 221.9MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.57ms. Allocated memory is still 268.4MB. Free memory was 221.9MB in the beginning and 219.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 798.36ms. Allocated memory is still 268.4MB. Free memory was 219.3MB in the beginning and 138.5MB in the end (delta: 80.7MB). Peak memory consumption was 80.7MB. Max. memory is 8.0GB. * TraceAbstraction took 828308.35ms. Allocated memory was 268.4MB in the beginning and 4.7GB in the end (delta: 4.5GB). Free memory was 137.5MB in the beginning and 3.6GB in the end (delta: -3.5GB). Peak memory consumption was 3.7GB. 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: 16580963.4s - 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: 54427, independent: 52363, independent conditional: 52363, independent unconditional: 0, dependent: 862, dependent conditional: 862, dependent unconditional: 0, unknown: 1202, unknown conditional: 1202, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 54006, independent: 52363, independent conditional: 52363, independent unconditional: 0, dependent: 441, dependent conditional: 441, dependent unconditional: 0, unknown: 1202, unknown conditional: 1202, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 54006, independent: 52363, independent conditional: 52363, independent unconditional: 0, dependent: 441, dependent conditional: 441, dependent unconditional: 0, unknown: 1202, unknown conditional: 1202, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 59002, independent: 52363, independent conditional: 0, independent unconditional: 52363, dependent: 1876, dependent conditional: 1435, dependent unconditional: 441, unknown: 4763, unknown conditional: 3561, unknown unconditional: 1202] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 59002, independent: 52363, independent conditional: 0, independent unconditional: 52363, dependent: 1876, dependent conditional: 0, dependent unconditional: 1876, unknown: 4763, unknown conditional: 0, unknown unconditional: 4763] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 59002, independent: 52363, independent conditional: 0, independent unconditional: 52363, dependent: 1876, dependent conditional: 0, dependent unconditional: 1876, unknown: 4763, unknown conditional: 0, unknown unconditional: 4763] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 54006, independent: 52363, independent conditional: 0, independent unconditional: 52363, dependent: 441, dependent conditional: 0, dependent unconditional: 441, unknown: 1202, unknown conditional: 0, unknown unconditional: 1202] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 54006, independent: 52350, independent conditional: 0, independent unconditional: 52350, dependent: 1656, dependent conditional: 0, dependent unconditional: 1656, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1656, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 441, dependent conditional: 0, dependent unconditional: 441, unknown: 1202, unknown conditional: 0, unknown unconditional: 1202] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1656, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 441, dependent conditional: 0, dependent unconditional: 441, unknown: 1202, unknown conditional: 0, unknown unconditional: 1202] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1656, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 441, dependent conditional: 0, dependent unconditional: 441, unknown: 1202, unknown conditional: 0, unknown unconditional: 1202] , SemanticIndependenceRelation.Query Time [ms]: [ total: 25096, independent: 285, independent conditional: 0, independent unconditional: 285, dependent: 1845, dependent conditional: 0, dependent unconditional: 1845, unknown: 22965, unknown conditional: 0, unknown unconditional: 22965] , Protected Queries: 0 ], Cache Queries: [ total: 59002, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1435, dependent conditional: 0, dependent unconditional: 1435, unknown: 57567, unknown conditional: 0, unknown unconditional: 57567] , Statistics on independence cache: Total cache size (in pairs): 52804, Positive cache size: 52363, Positive conditional cache size: 0, Positive unconditional cache size: 52363, Negative cache size: 441, Negative conditional cache size: 0, Negative unconditional cache size: 441, Unknown cache size: 1202, Unknown conditional cache size: 0, Unknown unconditional cache size: 1202, Eliminated conditions: 4996, Maximal queried relation: 4, Independence queries for same thread: 421 - StatisticsResult: Reduction benchmarks 24.7ms Time before loop, 0.0ms Time in loop, 0.0s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 164, Duplicate States: 0, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 36132.0ms Time before loop, 0.0ms Time in loop, 36.1s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 840, Duplicate States: 103, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 274000.7ms Time before loop, 0.0ms Time in loop, 274.0s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 5110, Duplicate States: 2050, Protected Variables: 4 - StatisticsResult: Reduction benchmarks 263142.2ms Time before loop, 0.0ms Time in loop, 263.1s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 5481, Duplicate States: 2650, Protected Variables: 5 - StatisticsResult: Reduction benchmarks 253242.7ms Time before loop, 0.0ms Time in loop, 253.2s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 5389, Duplicate States: 2138, Protected Variables: 5 - StatisticsResult: Visitor Statistics States: 90, Transitions: 89, Traversal time: 0.0s - StatisticsResult: Visitor Statistics States: 768, Transitions: 910, Traversal time: 36.1s - StatisticsResult: Visitor Statistics States: 5032, Transitions: 6888, Traversal time: 274.0s - StatisticsResult: Visitor Statistics States: 5316, Transitions: 7662, Traversal time: 263.1s - StatisticsResult: Visitor Statistics States: 5229, Transitions: 7131, Traversal time: 253.2s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 3, RedundantProofs: 2, ProvenStates: 303, Times there's more than one choice: 3, Avg number of choices: 1.0198019801980198 - 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 ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-23-2-10-3-8-5-7-5-5-5-4-5-4-2-2-2-2-5-4-5-4-1 context. - StatisticsResult: Ultimate Automizer benchmark data for error location: P0Err0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 7 procedures, 157 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, 157 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 828.1s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 826.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 17, 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, 1.1s InterpolantComputationTime, 383 NumberOfCodeBlocks, 383 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 379 ConstructedInterpolants, 0 QuantifiedInterpolants, 653 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