/usr/bin/java -Xmx7000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe018_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-fffa3fa-m [2023-09-04 22:44:57,587 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-04 22:44:57,646 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-04 22:44:57,650 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-04 22:44:57,650 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-04 22:44:57,650 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-04 22:44:57,677 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-04 22:44:57,678 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-04 22:44:57,678 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-04 22:44:57,678 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-04 22:44:57,679 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-04 22:44:57,679 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-04 22:44:57,679 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-04 22:44:57,679 INFO L153 SettingsManager]: * Use SBE=true [2023-09-04 22:44:57,680 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-04 22:44:57,680 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-04 22:44:57,680 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-04 22:44:57,682 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-04 22:44:57,683 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-04 22:44:57,683 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-04 22:44:57,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-04 22:44:57,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-04 22:44:57,684 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-04 22:44:57,684 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-04 22:44:57,685 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-04 22:44:57,685 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-04 22:44:57,685 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-04 22:44:57,685 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-04 22:44:57,686 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-04 22:44:57,686 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-04 22:44:57,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-04 22:44:57,686 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-04 22:44:57,687 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-04 22:44:57,687 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-04 22:44:57,687 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-04 22:44:57,687 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-04 22:44:57,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-04 22:44:57,688 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-04 22:44:57,688 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-04 22:44:57,688 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-04 22:44:57,689 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-04 22:44:57,689 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-09-04 22:44:57,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-04 22:44:57,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-04 22:44:57,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-04 22:44:57,871 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-04 22:44:57,871 INFO L274 PluginConnector]: CDTParser initialized [2023-09-04 22:44:57,872 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe018_power.opt.i [2023-09-04 22:44:58,796 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-04 22:44:59,015 INFO L384 CDTParser]: Found 1 translation units. [2023-09-04 22:44:59,015 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe018_power.opt.i [2023-09-04 22:44:59,029 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb6e63ae6/0b52ed32b1cc4955998b130e0ae4fa04/FLAG68f630694 [2023-09-04 22:44:59,039 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb6e63ae6/0b52ed32b1cc4955998b130e0ae4fa04 [2023-09-04 22:44:59,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-04 22:44:59,042 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-04 22:44:59,043 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-04 22:44:59,043 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-04 22:44:59,045 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-04 22:44:59,045 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 10:44:59" (1/1) ... [2023-09-04 22:44:59,046 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62b0ecf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:44:59, skipping insertion in model container [2023-09-04 22:44:59,046 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 10:44:59" (1/1) ... [2023-09-04 22:44:59,079 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-09-04 22:44:59,185 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe018_power.opt.i[994,1007] [2023-09-04 22:44:59,346 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-04 22:44:59,356 INFO L201 MainTranslator]: Completed pre-run [2023-09-04 22:44:59,371 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe018_power.opt.i[994,1007] [2023-09-04 22:44:59,376 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [268] [2023-09-04 22:44:59,378 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [268] [2023-09-04 22:44:59,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-04 22:44:59,450 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-04 22:44:59,450 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-04 22:44:59,455 INFO L206 MainTranslator]: Completed translation [2023-09-04 22:44:59,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:44:59 WrapperNode [2023-09-04 22:44:59,456 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-04 22:44:59,457 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-04 22:44:59,457 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-04 22:44:59,457 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-04 22:44:59,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:44:59" (1/1) ... [2023-09-04 22:44:59,488 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:44:59" (1/1) ... [2023-09-04 22:44:59,517 INFO L138 Inliner]: procedures = 176, calls = 75, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 178 [2023-09-04 22:44:59,517 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-04 22:44:59,517 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-04 22:44:59,517 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-04 22:44:59,517 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-04 22:44:59,523 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:44:59" (1/1) ... [2023-09-04 22:44:59,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:44:59" (1/1) ... [2023-09-04 22:44:59,526 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:44:59" (1/1) ... [2023-09-04 22:44:59,526 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:44:59" (1/1) ... [2023-09-04 22:44:59,533 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:44:59" (1/1) ... [2023-09-04 22:44:59,534 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:44:59" (1/1) ... [2023-09-04 22:44:59,536 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:44:59" (1/1) ... [2023-09-04 22:44:59,537 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:44:59" (1/1) ... [2023-09-04 22:44:59,540 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-04 22:44:59,541 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-04 22:44:59,541 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-04 22:44:59,541 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-04 22:44:59,541 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:44:59" (1/1) ... [2023-09-04 22:44:59,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-04 22:44:59,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 22:44:59,597 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-09-04 22:44:59,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-09-04 22:44:59,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-04 22:44:59,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-04 22:44:59,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-04 22:44:59,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-04 22:44:59,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-04 22:44:59,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-04 22:44:59,633 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-09-04 22:44:59,634 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-09-04 22:44:59,634 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-09-04 22:44:59,634 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-09-04 22:44:59,634 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-09-04 22:44:59,634 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-09-04 22:44:59,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-04 22:44:59,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-04 22:44:59,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-04 22:44:59,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-04 22:44:59,635 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-04 22:44:59,772 INFO L236 CfgBuilder]: Building ICFG [2023-09-04 22:44:59,773 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-04 22:45:00,094 INFO L277 CfgBuilder]: Performing block encoding [2023-09-04 22:45:00,305 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-04 22:45:00,305 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-09-04 22:45:00,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 10:45:00 BoogieIcfgContainer [2023-09-04 22:45:00,307 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-04 22:45:00,308 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-04 22:45:00,308 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-04 22:45:00,310 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-04 22:45:00,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 10:44:59" (1/3) ... [2023-09-04 22:45:00,311 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b745f33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 10:45:00, skipping insertion in model container [2023-09-04 22:45:00,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:44:59" (2/3) ... [2023-09-04 22:45:00,311 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b745f33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 10:45:00, skipping insertion in model container [2023-09-04 22:45:00,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 10:45:00" (3/3) ... [2023-09-04 22:45:00,315 INFO L112 eAbstractionObserver]: Analyzing ICFG safe018_power.opt.i [2023-09-04 22:45:00,322 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-04 22:45:00,327 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-04 22:45:00,327 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-09-04 22:45:00,327 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-04 22:45:00,384 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-09-04 22:45:00,417 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-04 22:45:00,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-04 22:45:00,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 22:45:00,445 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-04 22:45:00,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-09-04 22:45:00,480 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-04 22:45:00,485 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-04 22:45:00,490 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;@1509723c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-04 22:45:00,490 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-09-04 22:45:00,510 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2023-09-04 22:45:00,513 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 22:45:00,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1231140066, now seen corresponding path program 1 times [2023-09-04 22:45:00,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 22:45:00,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740247263] [2023-09-04 22:45:00,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 22:45:00,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 22:45:00,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 22:45:00,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-04 22:45:00,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 22:45:00,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740247263] [2023-09-04 22:45:00,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740247263] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 22:45:00,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 22:45:00,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-04 22:45:00,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017985173] [2023-09-04 22:45:00,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 22:45:00,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-04 22:45:00,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 22:45:00,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-04 22:45:00,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-04 22:45:00,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:45:00,927 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 22:45:00,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 34.0) internal successors, (68), 3 states have internal predecessors, (68), 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) [2023-09-04 22:45:00,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:45:06,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-04 22:45:06,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-04 22:45:06,500 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2023-09-04 22:45:06,500 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 22:45:06,500 INFO L85 PathProgramCache]: Analyzing trace with hash 649756266, now seen corresponding path program 1 times [2023-09-04 22:45:06,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 22:45:06,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575387117] [2023-09-04 22:45:06,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 22:45:06,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 22:45:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 22:45:06,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-04 22:45:06,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 22:45:06,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575387117] [2023-09-04 22:45:06,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575387117] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 22:45:06,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 22:45:06,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-09-04 22:45:06,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225202754] [2023-09-04 22:45:06,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 22:45:06,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-09-04 22:45:06,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 22:45:06,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-09-04 22:45:06,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-09-04 22:45:06,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:45:06,846 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 22:45:06,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 7 states have internal predecessors, (94), 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) [2023-09-04 22:45:06,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-04 22:45:06,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:45:39,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-04 22:45:39,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-04 22:45:39,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-04 22:45:39,052 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2023-09-04 22:45:39,052 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 22:45:39,052 INFO L85 PathProgramCache]: Analyzing trace with hash -66589490, now seen corresponding path program 1 times [2023-09-04 22:45:39,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 22:45:39,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812692149] [2023-09-04 22:45:39,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 22:45:39,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 22:45:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 22:45:39,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-04 22:45:39,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 22:45:39,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812692149] [2023-09-04 22:45:39,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812692149] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 22:45:39,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 22:45:39,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-09-04 22:45:39,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132105188] [2023-09-04 22:45:39,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 22:45:39,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-09-04 22:45:39,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 22:45:39,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-09-04 22:45:39,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-09-04 22:45:39,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:45:39,362 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 22:45:39,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 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) [2023-09-04 22:45:39,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-04 22:45:39,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-09-04 22:45:39,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-04 22:46:32,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-04 22:46:32,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-04 22:46:32,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-04 22:46:32,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-09-04 22:46:32,750 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2023-09-04 22:46:32,750 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 22:46:32,751 INFO L85 PathProgramCache]: Analyzing trace with hash 776143518, now seen corresponding path program 1 times [2023-09-04 22:46:32,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 22:46:32,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787528071] [2023-09-04 22:46:32,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 22:46:32,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 22:46:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 22:46:33,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-04 22:46:33,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 22:46:33,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787528071] [2023-09-04 22:46:33,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787528071] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 22:46:33,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 22:46:33,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-09-04 22:46:33,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522666197] [2023-09-04 22:46:33,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 22:46:33,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-09-04 22:46:33,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 22:46:33,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-09-04 22:46:33,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-09-04 22:46:33,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:46:33,017 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 22:46:33,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 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) [2023-09-04 22:46:33,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-04 22:46:33,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-09-04 22:46:33,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-04 22:46:33,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-04 22:47:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-04 22:47:17,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-04 22:47:17,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-04 22:47:17,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-09-04 22:47:17,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-09-04 22:47:17,621 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2023-09-04 22:47:17,621 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 22:47:17,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1223249293, now seen corresponding path program 1 times [2023-09-04 22:47:17,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 22:47:17,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532288325] [2023-09-04 22:47:17,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 22:47:17,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 22:47:17,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 22:47:19,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-04 22:47:19,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 22:47:19,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532288325] [2023-09-04 22:47:19,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532288325] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 22:47:19,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 22:47:19,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-09-04 22:47:19,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108609657] [2023-09-04 22:47:19,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 22:47:19,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-09-04 22:47:19,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 22:47:19,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-09-04 22:47:19,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-09-04 22:47:19,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 22:47:19,040 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 22:47:19,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.181818181818182) internal successors, (101), 11 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) [2023-09-04 22:47:19,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-04 22:47:19,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-09-04 22:47:19,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-04 22:47:19,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-09-04 22:47:19,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2023-09-04 22:49:27,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-09-04 22:49:27,545 WARN L619 AbstractCegarLoop]: Verification canceled: while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-2-2-2-4-3-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-17-4-10-2-8-4-7-3-5-3-3-2-2-1 context. [2023-09-04 22:49:27,547 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2023-09-04 22:49:27,548 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2023-09-04 22:49:27,548 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2023-09-04 22:49:27,548 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2023-09-04 22:49:27,549 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2023-09-04 22:49:27,549 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2023-09-04 22:49:27,561 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-09-04 22:49:27,564 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-04 22:49:27,564 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-04 22:49:27,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 10:49:27 BasicIcfg [2023-09-04 22:49:27,566 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-04 22:49:27,566 INFO L158 Benchmark]: Toolchain (without parser) took 268524.44ms. Allocated memory was 209.7MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 169.5MB in the beginning and 809.1MB in the end (delta: -639.6MB). Peak memory consumption was 1.6GB. Max. memory is 7.0GB. [2023-09-04 22:49:27,566 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 174.1MB. Free memory is still 119.5MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-04 22:49:27,567 INFO L158 Benchmark]: CACSL2BoogieTranslator took 413.90ms. Allocated memory is still 209.7MB. Free memory was 169.5MB in the beginning and 143.8MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 7.0GB. [2023-09-04 22:49:27,567 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.97ms. Allocated memory is still 209.7MB. Free memory was 143.8MB in the beginning and 141.1MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. [2023-09-04 22:49:27,567 INFO L158 Benchmark]: Boogie Preprocessor took 22.80ms. Allocated memory is still 209.7MB. Free memory was 141.1MB in the beginning and 138.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-04 22:49:27,567 INFO L158 Benchmark]: RCFGBuilder took 766.02ms. Allocated memory is still 209.7MB. Free memory was 138.5MB in the beginning and 127.7MB in the end (delta: 10.9MB). Peak memory consumption was 45.5MB. Max. memory is 7.0GB. [2023-09-04 22:49:27,568 INFO L158 Benchmark]: TraceAbstraction took 267258.03ms. Allocated memory was 209.7MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 127.1MB in the beginning and 809.1MB in the end (delta: -681.9MB). Peak memory consumption was 1.6GB. Max. memory is 7.0GB. [2023-09-04 22:49:27,569 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 174.1MB. Free memory is still 119.5MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 413.90ms. Allocated memory is still 209.7MB. Free memory was 169.5MB in the beginning and 143.8MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 59.97ms. Allocated memory is still 209.7MB. Free memory was 143.8MB in the beginning and 141.1MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 22.80ms. Allocated memory is still 209.7MB. Free memory was 141.1MB in the beginning and 138.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * RCFGBuilder took 766.02ms. Allocated memory is still 209.7MB. Free memory was 138.5MB in the beginning and 127.7MB in the end (delta: 10.9MB). Peak memory consumption was 45.5MB. Max. memory is 7.0GB. * TraceAbstraction took 267258.03ms. Allocated memory was 209.7MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 127.1MB in the beginning and 809.1MB in the end (delta: -681.9MB). Peak memory consumption was 1.6GB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 268]: Unsoundness Warning unspecified type, defaulting to int C: short [268] - GenericResultAtLocation [Line: 268]: Unsoundness Warning unspecified type, defaulting to int C: short [268] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11412, independent: 11245, independent conditional: 11245, independent unconditional: 0, dependent: 112, dependent conditional: 112, dependent unconditional: 0, unknown: 55, unknown conditional: 55, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11387, independent: 11245, independent conditional: 11245, independent unconditional: 0, dependent: 87, dependent conditional: 87, dependent unconditional: 0, unknown: 55, unknown conditional: 55, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11387, independent: 11245, independent conditional: 11245, independent unconditional: 0, dependent: 87, dependent conditional: 87, dependent unconditional: 0, unknown: 55, unknown conditional: 55, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11911, independent: 11245, independent conditional: 0, independent unconditional: 11245, dependent: 425, dependent conditional: 338, dependent unconditional: 87, unknown: 241, unknown conditional: 186, unknown unconditional: 55] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11911, independent: 11245, independent conditional: 0, independent unconditional: 11245, dependent: 425, dependent conditional: 0, dependent unconditional: 425, unknown: 241, unknown conditional: 0, unknown unconditional: 241] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11911, independent: 11245, independent conditional: 0, independent unconditional: 11245, dependent: 425, dependent conditional: 0, dependent unconditional: 425, unknown: 241, unknown conditional: 0, unknown unconditional: 241] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11387, independent: 11245, independent conditional: 0, independent unconditional: 11245, dependent: 87, dependent conditional: 0, dependent unconditional: 87, unknown: 55, unknown conditional: 0, unknown unconditional: 55] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 11387, independent: 11196, independent conditional: 0, independent unconditional: 11196, dependent: 191, dependent conditional: 0, dependent unconditional: 191, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 191, independent: 49, independent conditional: 0, independent unconditional: 49, dependent: 87, dependent conditional: 0, dependent unconditional: 87, unknown: 55, unknown conditional: 0, unknown unconditional: 55] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 191, independent: 49, independent conditional: 0, independent unconditional: 49, dependent: 87, dependent conditional: 0, dependent unconditional: 87, unknown: 55, unknown conditional: 0, unknown unconditional: 55] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 191, independent: 49, independent conditional: 0, independent unconditional: 49, dependent: 87, dependent conditional: 0, dependent unconditional: 87, unknown: 55, unknown conditional: 0, unknown unconditional: 55] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11254, independent: 36, independent conditional: 0, independent unconditional: 36, dependent: 1738, dependent conditional: 0, dependent unconditional: 1738, unknown: 9480, unknown conditional: 0, unknown unconditional: 9480] , Protected Queries: 0 ], Cache Queries: [ total: 11911, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 338, dependent conditional: 0, dependent unconditional: 338, unknown: 11573, unknown conditional: 0, unknown unconditional: 11573] , Statistics on independence cache: Total cache size (in pairs): 11332, Positive cache size: 11245, Positive conditional cache size: 0, Positive unconditional cache size: 11245, Negative cache size: 87, Negative conditional cache size: 0, Negative unconditional cache size: 87, Unknown cache size: 55, Unknown conditional cache size: 0, Unknown unconditional cache size: 55, Eliminated conditions: 524, Maximal queried relation: 5, Independence queries for same thread: 25 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 3 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-2-2-2-4-3-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-17-4-10-2-8-4-7-3-5-3-3-2-2-1 context. - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-2-2-2-4-3-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-17-4-10-2-8-4-7-3-5-3-3-2-2-1 context. - TimeoutResultAtElement [Line: 862]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-2-2-2-4-3-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-17-4-10-2-8-4-7-3-5-3-3-2-2-1 context. - TimeoutResultAtElement [Line: 864]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-2-2-2-4-3-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-17-4-10-2-8-4-7-3-5-3-3-2-2-1 context. - TimeoutResultAtElement [Line: 860]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-2-2-2-4-3-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-17-4-10-2-8-4-7-3-5-3-3-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 150 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 267.1s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 264.3s, 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, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 464 NumberOfCodeBlocks, 464 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 459 ConstructedInterpolants, 0 QuantifiedInterpolants, 1956 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