/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/safe000_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-a4a1cd3-m [2024-05-30 13:13:23,797 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-30 13:13:23,845 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-05-30 13:13:23,850 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-30 13:13:23,850 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-30 13:13:23,851 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-05-30 13:13:23,886 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-30 13:13:23,886 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-30 13:13:23,887 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-30 13:13:23,892 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-30 13:13:23,892 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-30 13:13:23,893 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-30 13:13:23,893 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-30 13:13:23,894 INFO L153 SettingsManager]: * Use SBE=true [2024-05-30 13:13:23,894 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-30 13:13:23,895 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-30 13:13:23,895 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-30 13:13:23,895 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-30 13:13:23,895 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-30 13:13:23,896 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-30 13:13:23,896 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-30 13:13:23,896 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-30 13:13:23,897 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-30 13:13:23,897 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-30 13:13:23,897 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-30 13:13:23,897 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-30 13:13:23,898 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-30 13:13:23,898 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-30 13:13:23,898 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-30 13:13:23,898 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-30 13:13:23,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 13:13:23,900 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-30 13:13:23,900 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-30 13:13:23,900 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-05-30 13:13:23,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-30 13:13:23,900 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-30 13:13:23,901 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-05-30 13:13:23,901 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-05-30 13:13:23,901 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-30 13:13:23,901 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-30 13:13:23,901 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-30 13:13:23,902 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-30 13:13:24,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-30 13:13:24,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-30 13:13:24,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-30 13:13:24,216 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-30 13:13:24,216 INFO L274 PluginConnector]: CDTParser initialized [2024-05-30 13:13:24,218 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe000_power.oepc.i [2024-05-30 13:13:25,459 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-30 13:13:25,732 INFO L384 CDTParser]: Found 1 translation units. [2024-05-30 13:13:25,733 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe000_power.oepc.i [2024-05-30 13:13:25,758 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b5b40ca8f/38116af6c5bd42398b5443f0b0b4ab92/FLAGec0c537b5 [2024-05-30 13:13:25,771 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b5b40ca8f/38116af6c5bd42398b5443f0b0b4ab92 [2024-05-30 13:13:25,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-30 13:13:25,779 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-30 13:13:25,782 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-30 13:13:25,782 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-30 13:13:25,787 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-30 13:13:25,787 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 01:13:25" (1/1) ... [2024-05-30 13:13:25,788 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7221aa03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:13:25, skipping insertion in model container [2024-05-30 13:13:25,789 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 01:13:25" (1/1) ... [2024-05-30 13:13:25,840 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-30 13:13:26,009 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/safe000_power.oepc.i[995,1008] [2024-05-30 13:13:26,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 13:13:26,273 INFO L202 MainTranslator]: Completed pre-run [2024-05-30 13:13:26,286 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/safe000_power.oepc.i[995,1008] [2024-05-30 13:13:26,368 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 13:13:26,412 INFO L206 MainTranslator]: Completed translation [2024-05-30 13:13:26,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:13:26 WrapperNode [2024-05-30 13:13:26,413 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-30 13:13:26,414 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-30 13:13:26,414 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-30 13:13:26,415 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-30 13:13:26,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:13:26" (1/1) ... [2024-05-30 13:13:26,456 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:13:26" (1/1) ... [2024-05-30 13:13:26,480 INFO L138 Inliner]: procedures = 176, calls = 84, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 169 [2024-05-30 13:13:26,480 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-30 13:13:26,481 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-30 13:13:26,481 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-30 13:13:26,481 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-30 13:13:26,523 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:13:26" (1/1) ... [2024-05-30 13:13:26,524 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:13:26" (1/1) ... [2024-05-30 13:13:26,527 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:13:26" (1/1) ... [2024-05-30 13:13:26,527 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:13:26" (1/1) ... [2024-05-30 13:13:26,564 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:13:26" (1/1) ... [2024-05-30 13:13:26,567 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:13:26" (1/1) ... [2024-05-30 13:13:26,569 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:13:26" (1/1) ... [2024-05-30 13:13:26,571 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:13:26" (1/1) ... [2024-05-30 13:13:26,575 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-30 13:13:26,575 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-30 13:13:26,575 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-30 13:13:26,576 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-30 13:13:26,590 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:13:26" (1/1) ... [2024-05-30 13:13:26,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 13:13:26,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 13:13:26,626 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 13:13:26,630 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 13:13:26,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-30 13:13:26,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-30 13:13:26,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-30 13:13:26,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-30 13:13:26,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-30 13:13:26,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-30 13:13:26,668 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-05-30 13:13:26,668 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-05-30 13:13:26,668 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-05-30 13:13:26,668 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-05-30 13:13:26,668 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-05-30 13:13:26,668 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-05-30 13:13:26,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-30 13:13:26,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-30 13:13:26,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-30 13:13:26,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-30 13:13:26,670 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 13:13:26,803 INFO L241 CfgBuilder]: Building ICFG [2024-05-30 13:13:26,804 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-30 13:13:27,251 INFO L282 CfgBuilder]: Performing block encoding [2024-05-30 13:13:27,569 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-30 13:13:27,570 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-30 13:13:27,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 01:13:27 BoogieIcfgContainer [2024-05-30 13:13:27,571 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-30 13:13:27,574 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-30 13:13:27,574 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-30 13:13:27,577 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-30 13:13:27,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.05 01:13:25" (1/3) ... [2024-05-30 13:13:27,578 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@367784f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 01:13:27, skipping insertion in model container [2024-05-30 13:13:27,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 01:13:26" (2/3) ... [2024-05-30 13:13:27,578 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@367784f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 01:13:27, skipping insertion in model container [2024-05-30 13:13:27,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 01:13:27" (3/3) ... [2024-05-30 13:13:27,581 INFO L112 eAbstractionObserver]: Analyzing ICFG safe000_power.oepc.i [2024-05-30 13:13:27,589 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-30 13:13:27,598 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-30 13:13:27,598 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-30 13:13:27,598 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-30 13:13:27,670 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-30 13:13:27,720 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 13:13:27,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 13:13:27,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 13:13:27,726 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 13:13:27,733 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 13:13:27,780 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 13:13:27,789 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 13:13:27,796 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;@1417b33b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 13:13:27,796 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 13:13:27,806 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:13:27,846 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 164 states. [2024-05-30 13:13:27,846 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 13:13:27,850 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 13:13:27,853 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:13:27,853 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:13:27,858 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:13:27,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1302809140, now seen corresponding path program 1 times [2024-05-30 13:13:27,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:13:27,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544359111] [2024-05-30 13:13:27,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:13:27,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:13:28,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:13:28,264 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 13:13:28,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:13:28,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544359111] [2024-05-30 13:13:28,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544359111] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:13:28,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:13:28,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-30 13:13:28,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235680298] [2024-05-30 13:13:28,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:13:28,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-30 13:13:28,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:13:28,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-30 13:13:28,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-30 13:13:28,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:13:28,298 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:13:28,300 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 13:13:28,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:13:28,301 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:14:14,478 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 771 states. [2024-05-30 13:14:14,478 INFO L212 cStratifiedReduction]: Copied states 98 times. [2024-05-30 13:14:14,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:14:14,480 INFO L78 Accepts]: Start accepts. Automaton has currently 1185 states, but on-demand construction may add more states Word has length 88 [2024-05-30 13:14:14,480 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:14:14,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-30 13:14:14,481 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:14:14,482 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:14:14,482 INFO L85 PathProgramCache]: Analyzing trace with hash -376967040, now seen corresponding path program 1 times [2024-05-30 13:14:14,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:14:14,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36742395] [2024-05-30 13:14:14,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:14:14,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:14:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:14:15,140 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 13:14:15,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:14:15,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36742395] [2024-05-30 13:14:15,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36742395] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:14:15,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:14:15,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-30 13:14:15,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731485590] [2024-05-30 13:14:15,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:14:15,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-30 13:14:15,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:14:15,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-30 13:14:15,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-30 13:14:15,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:14:15,146 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:14:15,147 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 13:14:15,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:14:15,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:14:15,147 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:18:01,818 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 3682 states. [2024-05-30 13:18:01,818 INFO L212 cStratifiedReduction]: Copied states 941 times. [2024-05-30 13:18:01,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:18:01,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:18:01,819 INFO L78 Accepts]: Start accepts. Automaton has currently 3763 states, but on-demand construction may add more states Word has length 97 [2024-05-30 13:18:01,819 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:18:01,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-30 13:18:01,824 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:18:01,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:18:01,825 INFO L85 PathProgramCache]: Analyzing trace with hash -903644036, now seen corresponding path program 1 times [2024-05-30 13:18:01,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:18:01,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986526389] [2024-05-30 13:18:01,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:18:01,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:18:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:18:02,340 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 13:18:02,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:18:02,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986526389] [2024-05-30 13:18:02,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986526389] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:18:02,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:18:02,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-30 13:18:02,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899005348] [2024-05-30 13:18:02,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:18:02,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-30 13:18:02,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:18:02,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-30 13:18:02,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-05-30 13:18:02,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:18:02,344 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:18:02,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 13:18:02,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:18:02,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:18:02,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:18:02,346 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:21:59,074 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 3928 states. [2024-05-30 13:21:59,075 INFO L212 cStratifiedReduction]: Copied states 988 times. [2024-05-30 13:21:59,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:21:59,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:21:59,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-30 13:21:59,076 INFO L78 Accepts]: Start accepts. Automaton has currently 4008 states, but on-demand construction may add more states Word has length 104 [2024-05-30 13:21:59,077 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:21:59,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-30 13:21:59,078 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:21:59,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:21:59,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1604825736, now seen corresponding path program 1 times [2024-05-30 13:21:59,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:21:59,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055319640] [2024-05-30 13:21:59,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:21:59,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:21:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:22:01,060 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 13:22:01,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:22:01,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055319640] [2024-05-30 13:22:01,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055319640] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:22:01,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:22:01,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-05-30 13:22:01,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230498082] [2024-05-30 13:22:01,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:22:01,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-05-30 13:22:01,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:22:01,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-05-30 13:22:01,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-05-30 13:22:01,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:22:01,063 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:22:01,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.0) internal successors, (104), 13 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 13:22:01,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:22:01,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:22:01,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-30 13:22:01,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:22:01,064 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 13:25:57,030 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 4002 states. [2024-05-30 13:25:57,031 INFO L212 cStratifiedReduction]: Copied states 907 times. [2024-05-30 13:25:57,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:25:57,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:25:57,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-30 13:25:57,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-30 13:25:57,031 INFO L78 Accepts]: Start accepts. Automaton has currently 4476 states, but on-demand construction may add more states Word has length 106 [2024-05-30 13:25:57,032 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 13:25:57,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-30 13:25:57,033 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 13:25:57,033 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 13:25:57,033 INFO L85 PathProgramCache]: Analyzing trace with hash 235297993, now seen corresponding path program 1 times [2024-05-30 13:25:57,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 13:25:57,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379101148] [2024-05-30 13:25:57,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 13:25:57,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 13:25:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 13:25:57,414 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 13:25:57,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 13:25:57,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379101148] [2024-05-30 13:25:57,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379101148] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 13:25:57,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 13:25:57,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-30 13:25:57,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433305566] [2024-05-30 13:25:57,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 13:25:57,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-30 13:25:57,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 13:25:57,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-30 13:25:57,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-30 13:25:57,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:25:57,418 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 13:25:57,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 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 13:25:57,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:25:57,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 13:25:57,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-30 13:25:57,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-30 13:25:57,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 13:25:57,419 INFO L199 cStratifiedReduction]: Start building reduction automaton Received shutdown request... [2024-05-30 13:26:49,414 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 921 states. [2024-05-30 13:26:49,416 INFO L212 cStratifiedReduction]: Copied states 113 times. [2024-05-30 13:26:49,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-05-30 13:26:49,419 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 13:26:49,421 WARN L619 AbstractCegarLoop]: Verification canceled: while PolyPacSimplificationTermWalker was simplifying a ∨-2-5-2-4-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-8-5-4-2-2-1 context. [2024-05-30 13:26:49,423 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 13:26:49,424 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 13:26:49,477 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-05-30 13:26:49,478 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/4) [2024-05-30 13:26:49,480 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-30 13:26:49,480 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-05-30 13:26:49,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.05 01:26:49 BasicIcfg [2024-05-30 13:26:49,483 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-30 13:26:49,484 INFO L158 Benchmark]: Toolchain (without parser) took 803705.02ms. Allocated memory was 238.0MB in the beginning and 6.1GB in the end (delta: 5.9GB). Free memory was 168.3MB in the beginning and 5.3GB in the end (delta: -5.1GB). Peak memory consumption was 3.1GB. Max. memory is 8.0GB. [2024-05-30 13:26:49,484 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 238.0MB. Free memory is still 209.0MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-30 13:26:49,484 INFO L158 Benchmark]: CACSL2BoogieTranslator took 630.99ms. Allocated memory is still 238.0MB. Free memory was 167.9MB in the beginning and 141.0MB in the end (delta: 27.0MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2024-05-30 13:26:49,485 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.25ms. Allocated memory is still 238.0MB. Free memory was 141.0MB in the beginning and 138.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-30 13:26:49,485 INFO L158 Benchmark]: Boogie Preprocessor took 93.90ms. Allocated memory is still 238.0MB. Free memory was 138.2MB in the beginning and 206.8MB in the end (delta: -68.7MB). Peak memory consumption was 7.9MB. Max. memory is 8.0GB. [2024-05-30 13:26:49,485 INFO L158 Benchmark]: RCFGBuilder took 995.36ms. Allocated memory is still 238.0MB. Free memory was 206.8MB in the beginning and 107.2MB in the end (delta: 99.6MB). Peak memory consumption was 99.6MB. Max. memory is 8.0GB. [2024-05-30 13:26:49,486 INFO L158 Benchmark]: TraceAbstraction took 801909.47ms. Allocated memory was 238.0MB in the beginning and 6.1GB in the end (delta: 5.9GB). Free memory was 106.2MB in the beginning and 5.3GB in the end (delta: -5.2GB). Peak memory consumption was 3.1GB. Max. memory is 8.0GB. [2024-05-30 13:26:49,487 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 238.0MB. Free memory is still 209.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 630.99ms. Allocated memory is still 238.0MB. Free memory was 167.9MB in the beginning and 141.0MB in the end (delta: 27.0MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 66.25ms. Allocated memory is still 238.0MB. Free memory was 141.0MB in the beginning and 138.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 93.90ms. Allocated memory is still 238.0MB. Free memory was 138.2MB in the beginning and 206.8MB in the end (delta: -68.7MB). Peak memory consumption was 7.9MB. Max. memory is 8.0GB. * RCFGBuilder took 995.36ms. Allocated memory is still 238.0MB. Free memory was 206.8MB in the beginning and 107.2MB in the end (delta: 99.6MB). Peak memory consumption was 99.6MB. Max. memory is 8.0GB. * TraceAbstraction took 801909.47ms. Allocated memory was 238.0MB in the beginning and 6.1GB in the end (delta: 5.9GB). Free memory was 106.2MB in the beginning and 5.3GB in the end (delta: -5.2GB). Peak memory consumption was 3.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 36797, independent: 36409, independent conditional: 36409, independent unconditional: 0, dependent: 25, dependent conditional: 25, dependent unconditional: 0, unknown: 363, unknown conditional: 363, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36793, independent: 36409, independent conditional: 36409, independent unconditional: 0, dependent: 21, dependent conditional: 21, dependent unconditional: 0, unknown: 363, unknown conditional: 363, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 36793, independent: 36409, independent conditional: 36409, independent unconditional: 0, dependent: 21, dependent conditional: 21, dependent unconditional: 0, unknown: 363, unknown conditional: 363, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 37965, independent: 36409, independent conditional: 0, independent unconditional: 36409, dependent: 85, dependent conditional: 64, dependent unconditional: 21, unknown: 1471, unknown conditional: 1108, unknown unconditional: 363] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 37965, independent: 36409, independent conditional: 0, independent unconditional: 36409, dependent: 85, dependent conditional: 0, dependent unconditional: 85, unknown: 1471, unknown conditional: 0, unknown unconditional: 1471] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 37965, independent: 36409, independent conditional: 0, independent unconditional: 36409, dependent: 85, dependent conditional: 0, dependent unconditional: 85, unknown: 1471, unknown conditional: 0, unknown unconditional: 1471] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 36793, independent: 36409, independent conditional: 0, independent unconditional: 36409, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 363, unknown conditional: 0, unknown unconditional: 363] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 36793, independent: 36404, independent conditional: 0, independent unconditional: 36404, dependent: 389, dependent conditional: 0, dependent unconditional: 389, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 389, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 363, unknown conditional: 0, unknown unconditional: 363] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 389, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 363, unknown conditional: 0, unknown unconditional: 363] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 389, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 363, unknown conditional: 0, unknown unconditional: 363] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11262, independent: 178, independent conditional: 0, independent unconditional: 178, dependent: 83, dependent conditional: 0, dependent unconditional: 83, unknown: 11001, unknown conditional: 0, unknown unconditional: 11001] , Protected Queries: 0 ], Cache Queries: [ total: 37965, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 37901, unknown conditional: 0, unknown unconditional: 37901] , Statistics on independence cache: Total cache size (in pairs): 36430, Positive cache size: 36409, Positive conditional cache size: 0, Positive unconditional cache size: 36409, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, Unknown cache size: 363, Unknown conditional cache size: 0, Unknown unconditional cache size: 363, Eliminated conditions: 1172, Maximal queried relation: 5, Independence queries for same thread: 4 - StatisticsResult: Reduction benchmarks 39.9ms 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 46176.6ms Time before loop, 0.0ms Time in loop, 46.2s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 771, Duplicate States: 98, Protected Variables: 0 - StatisticsResult: Reduction benchmarks 226670.3ms Time before loop, 0.0ms Time in loop, 226.7s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 3682, Duplicate States: 941, Protected Variables: 4 - StatisticsResult: Reduction benchmarks 236728.3ms Time before loop, 0.0ms Time in loop, 236.7s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 3928, Duplicate States: 988, Protected Variables: 6 - StatisticsResult: Reduction benchmarks 235966.3ms Time before loop, 0.0ms Time in loop, 236.0s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 4002, Duplicate States: 907, Protected Variables: 12 - StatisticsResult: Reduction benchmarks 51994.7ms Time before loop, 0.0ms Time in loop, 52.0s Time in total, Has Loop: 0, wrong guesses: 0, overall guesses: 0, Reduction States: 921, Duplicate States: 113, Protected Variables: 11 - StatisticsResult: Visitor Statistics States: 90, Transitions: 89, Traversal time: 0.0s - StatisticsResult: Visitor Statistics States: 699, Transitions: 825, Traversal time: 46.2s - StatisticsResult: Visitor Statistics States: 3599, Transitions: 4342, Traversal time: 226.7s - StatisticsResult: Visitor Statistics States: 3845, Transitions: 4612, Traversal time: 236.7s - StatisticsResult: Visitor Statistics States: 3918, Transitions: 4602, Traversal time: 236.0s - StatisticsResult: Visitor Statistics States: 863, Transitions: 1016, Traversal time: 52.0s - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 6, RedundantProofs: 3, ProvenStates: 17, Times there's more than one choice: 9, Avg number of choices: 1.8823529411764706 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PolyPacSimplificationTermWalker was simplifying a ∨-2-5-2-4-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-8-5-4-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 7 procedures, 155 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 801.7s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 797.6s, 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: 44, 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, 0.4s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 484 NumberOfCodeBlocks, 484 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 479 ConstructedInterpolants, 0 QuantifiedInterpolants, 2000 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown