This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-16 13:17:38,841 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-16 13:17:38,916 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-16 13:17:38,923 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-16 13:17:38,923 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-16 13:17:38,954 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-16 13:17:38,955 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-16 13:17:38,956 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-16 13:17:38,958 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-16 13:17:38,958 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-16 13:17:38,959 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-16 13:17:38,959 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-16 13:17:38,959 INFO L153 SettingsManager]: * Use SBE=true [2024-10-16 13:17:38,959 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-16 13:17:38,960 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-16 13:17:38,962 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-16 13:17:38,962 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-16 13:17:38,962 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-16 13:17:38,962 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-16 13:17:38,966 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-16 13:17:38,966 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-16 13:17:38,966 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-16 13:17:38,967 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-16 13:17:38,967 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-16 13:17:38,967 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-16 13:17:38,967 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-16 13:17:38,967 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-16 13:17:38,968 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-16 13:17:38,968 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-16 13:17:38,968 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-16 13:17:38,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-16 13:17:38,968 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-16 13:17:38,969 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-16 13:17:38,969 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-16 13:17:38,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-16 13:17:38,969 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-16 13:17:38,969 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-16 13:17:38,969 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-16 13:17:38,970 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-16 13:17:38,970 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-16 13:17:38,971 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-16 13:17:38,973 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.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cdeed82108b12e5d5525e3abe542fd48b9a422ac7475147d5db7c8538ce4dc0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> COUNTEREXAMPLE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: TraceCheck mode for conditional commutativity -> SYMBOLIC_RELATION [2024-10-16 13:17:39,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-16 13:17:39,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-16 13:17:39,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-16 13:17:39,296 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-16 13:17:39,297 INFO L274 PluginConnector]: CDTParser initialized [2024-10-16 13:17:39,298 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe013_tso.i [2024-10-16 13:17:40,774 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-16 13:17:41,038 INFO L384 CDTParser]: Found 1 translation units. [2024-10-16 13:17:41,039 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe013_tso.i [2024-10-16 13:17:41,061 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/95ad9bddb/9257b9c424cf48aba7b8a81327818351/FLAG86d90e0b1 [2024-10-16 13:17:41,076 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/95ad9bddb/9257b9c424cf48aba7b8a81327818351 [2024-10-16 13:17:41,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-16 13:17:41,082 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-16 13:17:41,084 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-16 13:17:41,085 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-16 13:17:41,090 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-16 13:17:41,092 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:17:41" (1/1) ... [2024-10-16 13:17:41,093 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67152e40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:17:41, skipping insertion in model container [2024-10-16 13:17:41,093 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:17:41" (1/1) ... [2024-10-16 13:17:41,139 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-16 13:17:41,344 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe013_tso.i[945,958] [2024-10-16 13:17:41,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-16 13:17:41,511 INFO L200 MainTranslator]: Completed pre-run [2024-10-16 13:17:41,526 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe013_tso.i[945,958] [2024-10-16 13:17:41,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-16 13:17:41,604 INFO L204 MainTranslator]: Completed translation [2024-10-16 13:17:41,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:17:41 WrapperNode [2024-10-16 13:17:41,605 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-16 13:17:41,606 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-16 13:17:41,606 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-16 13:17:41,606 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-16 13:17:41,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:17:41" (1/1) ... [2024-10-16 13:17:41,631 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:17:41" (1/1) ... [2024-10-16 13:17:41,663 INFO L138 Inliner]: procedures = 175, calls = 43, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2024-10-16 13:17:41,663 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-16 13:17:41,664 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-16 13:17:41,664 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-16 13:17:41,664 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-16 13:17:41,672 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:17:41" (1/1) ... [2024-10-16 13:17:41,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:17:41" (1/1) ... [2024-10-16 13:17:41,676 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:17:41" (1/1) ... [2024-10-16 13:17:41,678 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:17:41" (1/1) ... [2024-10-16 13:17:41,686 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:17:41" (1/1) ... [2024-10-16 13:17:41,688 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:17:41" (1/1) ... [2024-10-16 13:17:41,692 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:17:41" (1/1) ... [2024-10-16 13:17:41,693 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:17:41" (1/1) ... [2024-10-16 13:17:41,695 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-16 13:17:41,700 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-16 13:17:41,700 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-16 13:17:41,700 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-16 13:17:41,701 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:17:41" (1/1) ... [2024-10-16 13:17:41,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-16 13:17:41,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 13:17:41,736 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) [2024-10-16 13:17:41,738 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 [2024-10-16 13:17:41,786 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-16 13:17:41,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-16 13:17:41,786 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-16 13:17:41,786 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-16 13:17:41,787 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-16 13:17:41,787 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-16 13:17:41,788 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-16 13:17:41,788 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-16 13:17:41,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-16 13:17:41,788 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-16 13:17:41,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-16 13:17:41,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-16 13:17:41,791 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-16 13:17:41,936 INFO L238 CfgBuilder]: Building ICFG [2024-10-16 13:17:41,938 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-16 13:17:42,075 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-16 13:17:42,076 INFO L287 CfgBuilder]: Performing block encoding [2024-10-16 13:17:42,156 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-16 13:17:42,156 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-16 13:17:42,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:17:42 BoogieIcfgContainer [2024-10-16 13:17:42,157 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-16 13:17:42,160 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-16 13:17:42,160 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-16 13:17:42,163 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-16 13:17:42,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:17:41" (1/3) ... [2024-10-16 13:17:42,164 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79d8168b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:17:42, skipping insertion in model container [2024-10-16 13:17:42,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:17:41" (2/3) ... [2024-10-16 13:17:42,165 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79d8168b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:17:42, skipping insertion in model container [2024-10-16 13:17:42,165 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:17:42" (3/3) ... [2024-10-16 13:17:42,166 INFO L112 eAbstractionObserver]: Analyzing ICFG safe013_tso.i [2024-10-16 13:17:42,182 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-16 13:17:42,182 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-16 13:17:42,183 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-16 13:17:42,240 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-16 13:17:42,286 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-16 13:17:42,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-16 13:17:42,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 13:17:42,289 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) [2024-10-16 13:17:42,292 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 [2024-10-16 13:17:42,379 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-16 13:17:42,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 13:17:42,400 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-16 13:17:42,407 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@76b5a836, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=SYMBOLIC_RELATION, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-16 13:17:42,407 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-16 13:17:43,128 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 13:17:43,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 13:17:43,139 INFO L85 PathProgramCache]: Analyzing trace with hash 110190927, now seen corresponding path program 1 times [2024-10-16 13:17:43,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 13:17:43,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568739862] [2024-10-16 13:17:43,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:17:43,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:17:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 13:17:43,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 13:17:43,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 13:17:43,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568739862] [2024-10-16 13:17:43,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568739862] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 13:17:43,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 13:17:43,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-16 13:17:43,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6183459] [2024-10-16 13:17:43,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 13:17:43,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-16 13:17:43,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 13:17:43,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-16 13:17:43,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-16 13:17:43,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:17:43,789 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 13:17:43,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 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) [2024-10-16 13:17:43,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:17:44,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:17:44,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-16 13:17:44,142 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 13:17:44,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1633907349, now seen corresponding path program 1 times [2024-10-16 13:17:44,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:17:44,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:17:44,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-16 13:17:44,298 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-16 13:17:44,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-16 13:17:44,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 13:17:44,345 INFO L85 PathProgramCache]: Analyzing trace with hash 2044322924, now seen corresponding path program 1 times [2024-10-16 13:17:44,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 13:17:44,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106012947] [2024-10-16 13:17:44,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:17:44,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:17:44,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 13:17:44,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 13:17:44,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 13:17:44,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106012947] [2024-10-16 13:17:44,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106012947] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 13:17:44,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 13:17:44,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-16 13:17:44,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217396340] [2024-10-16 13:17:44,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 13:17:44,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-16 13:17:44,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 13:17:44,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-16 13:17:44,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-16 13:17:44,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:17:44,547 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 13:17:44,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 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) [2024-10-16 13:17:44,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:17:44,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:17:45,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:17:45,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:17:45,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,SelfDestructingSolverStorable1 [2024-10-16 13:17:45,223 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 13:17:45,240 INFO L85 PathProgramCache]: Analyzing trace with hash -396213975, now seen corresponding path program 1 times [2024-10-16 13:17:45,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:17:45,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:17:45,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-16 13:17:45,250 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-16 13:17:45,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-16 13:17:45,378 INFO L85 PathProgramCache]: Analyzing trace with hash -803493007, now seen corresponding path program 1 times [2024-10-16 13:17:45,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:17:45,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:17:45,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-16 13:17:45,386 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-16 13:17:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-16 13:17:45,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 13:17:45,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1761553406, now seen corresponding path program 2 times [2024-10-16 13:17:45,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 13:17:45,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743358913] [2024-10-16 13:17:45,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:17:45,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:17:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 13:17:45,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 13:17:45,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 13:17:45,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743358913] [2024-10-16 13:17:45,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743358913] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 13:17:45,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 13:17:45,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-16 13:17:45,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451071648] [2024-10-16 13:17:45,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 13:17:45,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-16 13:17:45,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 13:17:45,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-16 13:17:45,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-16 13:17:45,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:17:45,528 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 13:17:45,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 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) [2024-10-16 13:17:45,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:17:45,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:17:45,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:17:45,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:17:45,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:17:45,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:17:45,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable5 [2024-10-16 13:17:45,767 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 13:17:45,788 INFO L85 PathProgramCache]: Analyzing trace with hash 198856113, now seen corresponding path program 1 times [2024-10-16 13:17:45,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:17:45,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:17:45,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-16 13:17:45,801 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-16 13:17:45,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-16 13:17:45,902 INFO L85 PathProgramCache]: Analyzing trace with hash -930321795, now seen corresponding path program 1 times [2024-10-16 13:17:45,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:17:45,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:17:45,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-16 13:17:45,913 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-16 13:17:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-16 13:17:45,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 13:17:45,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1547534396, now seen corresponding path program 3 times [2024-10-16 13:17:45,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 13:17:45,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762199190] [2024-10-16 13:17:45,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:17:45,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:17:45,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 13:17:46,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 13:17:46,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 13:17:46,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762199190] [2024-10-16 13:17:46,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762199190] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 13:17:46,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 13:17:46,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-16 13:17:46,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846180682] [2024-10-16 13:17:46,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 13:17:46,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-16 13:17:46,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 13:17:46,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-16 13:17:46,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-16 13:17:46,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:17:46,129 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 13:17:46,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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) [2024-10-16 13:17:46,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:17:46,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:17:46,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:17:46,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:17:46,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:17:46,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:17:46,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:17:46,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 13:17:46,314 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-10-16 13:17:46,315 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-10-16 13:17:46,315 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-10-16 13:17:46,315 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-10-16 13:17:46,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6 [2024-10-16 13:17:46,326 INFO L414 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1] [2024-10-16 13:17:46,329 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-16 13:17:46,329 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-16 13:17:46,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:17:46 BasicIcfg [2024-10-16 13:17:46,335 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-16 13:17:46,337 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-16 13:17:46,337 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-16 13:17:46,337 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-16 13:17:46,337 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:17:42" (3/4) ... [2024-10-16 13:17:46,339 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-16 13:17:46,342 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-16 13:17:46,342 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-16 13:17:46,342 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-16 13:17:46,347 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2024-10-16 13:17:46,347 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-16 13:17:46,347 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-16 13:17:46,348 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-16 13:17:46,431 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-16 13:17:46,431 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-16 13:17:46,431 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-16 13:17:46,432 INFO L158 Benchmark]: Toolchain (without parser) took 5350.17ms. Allocated memory was 65.0MB in the beginning and 155.2MB in the end (delta: 90.2MB). Free memory was 32.1MB in the beginning and 113.4MB in the end (delta: -81.4MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2024-10-16 13:17:46,432 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 48.2MB. Free memory was 28.2MB in the beginning and 28.2MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-16 13:17:46,433 INFO L158 Benchmark]: CACSL2BoogieTranslator took 521.15ms. Allocated memory is still 65.0MB. Free memory was 31.9MB in the beginning and 27.4MB in the end (delta: 4.5MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2024-10-16 13:17:46,434 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.41ms. Allocated memory is still 65.0MB. Free memory was 27.4MB in the beginning and 42.8MB in the end (delta: -15.4MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2024-10-16 13:17:46,434 INFO L158 Benchmark]: Boogie Preprocessor took 35.51ms. Allocated memory is still 65.0MB. Free memory was 42.8MB in the beginning and 41.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-16 13:17:46,434 INFO L158 Benchmark]: RCFGBuilder took 457.13ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 41.3MB in the beginning and 56.6MB in the end (delta: -15.3MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2024-10-16 13:17:46,435 INFO L158 Benchmark]: TraceAbstraction took 4176.45ms. Allocated memory was 81.8MB in the beginning and 155.2MB in the end (delta: 73.4MB). Free memory was 55.4MB in the beginning and 117.6MB in the end (delta: -62.2MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. [2024-10-16 13:17:46,435 INFO L158 Benchmark]: Witness Printer took 95.00ms. Allocated memory is still 155.2MB. Free memory was 117.6MB in the beginning and 113.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-16 13:17:46,437 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 48.2MB. Free memory was 28.2MB in the beginning and 28.2MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 521.15ms. Allocated memory is still 65.0MB. Free memory was 31.9MB in the beginning and 27.4MB in the end (delta: 4.5MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.41ms. Allocated memory is still 65.0MB. Free memory was 27.4MB in the beginning and 42.8MB in the end (delta: -15.4MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.51ms. Allocated memory is still 65.0MB. Free memory was 42.8MB in the beginning and 41.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 457.13ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 41.3MB in the beginning and 56.6MB in the end (delta: -15.3MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * TraceAbstraction took 4176.45ms. Allocated memory was 81.8MB in the beginning and 155.2MB in the end (delta: 73.4MB). Free memory was 55.4MB in the beginning and 117.6MB in the end (delta: -62.2MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. * Witness Printer took 95.00ms. Allocated memory is still 155.2MB. Free memory was 117.6MB in the beginning and 113.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9844, independent: 9641, independent conditional: 8952, independent unconditional: 689, dependent: 203, dependent conditional: 183, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9840, independent: 9641, independent conditional: 8952, independent unconditional: 689, dependent: 199, dependent conditional: 180, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9840, independent: 9641, independent conditional: 8952, independent unconditional: 689, dependent: 199, dependent conditional: 180, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9840, independent: 9641, independent conditional: 8952, independent unconditional: 689, dependent: 199, dependent conditional: 180, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11293, independent: 9641, independent conditional: 8952, independent unconditional: 689, dependent: 1652, dependent conditional: 1614, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11293, independent: 9641, independent conditional: 314, independent unconditional: 9327, dependent: 1652, dependent conditional: 48, dependent unconditional: 1604, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11293, independent: 9641, independent conditional: 314, independent unconditional: 9327, dependent: 1652, dependent conditional: 48, dependent unconditional: 1604, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 724, independent: 699, independent conditional: 10, independent unconditional: 689, dependent: 25, dependent conditional: 6, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 724, independent: 681, independent conditional: 0, independent unconditional: 681, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 43, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 25, dependent conditional: 6, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 43, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 25, dependent conditional: 6, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1256, independent: 482, independent conditional: 259, independent unconditional: 223, dependent: 774, dependent conditional: 115, dependent unconditional: 659, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 11293, independent: 8942, independent conditional: 304, independent unconditional: 8638, dependent: 1627, dependent conditional: 42, dependent unconditional: 1585, unknown: 724, unknown conditional: 16, unknown unconditional: 708] , Statistics on independence cache: Total cache size (in pairs): 724, Positive cache size: 699, Positive conditional cache size: 10, Positive unconditional cache size: 689, Negative cache size: 25, Negative conditional cache size: 6, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 10204, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11293, independent: 9641, independent conditional: 8952, independent unconditional: 689, dependent: 1652, dependent conditional: 1614, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11293, independent: 9641, independent conditional: 314, independent unconditional: 9327, dependent: 1652, dependent conditional: 48, dependent unconditional: 1604, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11293, independent: 9641, independent conditional: 314, independent unconditional: 9327, dependent: 1652, dependent conditional: 48, dependent unconditional: 1604, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 724, independent: 699, independent conditional: 10, independent unconditional: 689, dependent: 25, dependent conditional: 6, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 724, independent: 681, independent conditional: 0, independent unconditional: 681, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 43, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 25, dependent conditional: 6, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 43, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 25, dependent conditional: 6, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1256, independent: 482, independent conditional: 259, independent unconditional: 223, dependent: 774, dependent conditional: 115, dependent unconditional: 659, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 11293, independent: 8942, independent conditional: 304, independent unconditional: 8638, dependent: 1627, dependent conditional: 42, dependent unconditional: 1585, unknown: 724, unknown conditional: 16, unknown unconditional: 708] , Statistics on independence cache: Total cache size (in pairs): 724, Positive cache size: 699, Positive conditional cache size: 10, Positive unconditional cache size: 689, Negative cache size: 25, Negative conditional cache size: 6, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 10204 ], Independence queries for same thread: 4, Persistent sets #1 benchmarks: Persistent set computation time: 1.0s, Number of persistent set computation: 701, Number of trivial persistent sets: 385, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 708, independent: 689, independent conditional: 0, independent unconditional: 689, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9844, independent: 9641, independent conditional: 8952, independent unconditional: 689, dependent: 203, dependent conditional: 183, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9840, independent: 9641, independent conditional: 8952, independent unconditional: 689, dependent: 199, dependent conditional: 180, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9840, independent: 9641, independent conditional: 8952, independent unconditional: 689, dependent: 199, dependent conditional: 180, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9840, independent: 9641, independent conditional: 8952, independent unconditional: 689, dependent: 199, dependent conditional: 180, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11293, independent: 9641, independent conditional: 8952, independent unconditional: 689, dependent: 1652, dependent conditional: 1614, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11293, independent: 9641, independent conditional: 314, independent unconditional: 9327, dependent: 1652, dependent conditional: 48, dependent unconditional: 1604, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11293, independent: 9641, independent conditional: 314, independent unconditional: 9327, dependent: 1652, dependent conditional: 48, dependent unconditional: 1604, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 724, independent: 699, independent conditional: 10, independent unconditional: 689, dependent: 25, dependent conditional: 6, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 724, independent: 681, independent conditional: 0, independent unconditional: 681, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 43, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 25, dependent conditional: 6, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 43, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 25, dependent conditional: 6, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1256, independent: 482, independent conditional: 259, independent unconditional: 223, dependent: 774, dependent conditional: 115, dependent unconditional: 659, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 11293, independent: 8942, independent conditional: 304, independent unconditional: 8638, dependent: 1627, dependent conditional: 42, dependent unconditional: 1585, unknown: 724, unknown conditional: 16, unknown unconditional: 708] , Statistics on independence cache: Total cache size (in pairs): 724, Positive cache size: 699, Positive conditional cache size: 10, Positive unconditional cache size: 689, Negative cache size: 25, Negative conditional cache size: 6, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 10204, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11293, independent: 9641, independent conditional: 8952, independent unconditional: 689, dependent: 1652, dependent conditional: 1614, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11293, independent: 9641, independent conditional: 314, independent unconditional: 9327, dependent: 1652, dependent conditional: 48, dependent unconditional: 1604, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11293, independent: 9641, independent conditional: 314, independent unconditional: 9327, dependent: 1652, dependent conditional: 48, dependent unconditional: 1604, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 724, independent: 699, independent conditional: 10, independent unconditional: 689, dependent: 25, dependent conditional: 6, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 724, independent: 681, independent conditional: 0, independent unconditional: 681, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 43, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 25, dependent conditional: 6, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 43, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 25, dependent conditional: 6, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1256, independent: 482, independent conditional: 259, independent unconditional: 223, dependent: 774, dependent conditional: 115, dependent unconditional: 659, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 11293, independent: 8942, independent conditional: 304, independent unconditional: 8638, dependent: 1627, dependent conditional: 42, dependent unconditional: 1585, unknown: 724, unknown conditional: 16, unknown unconditional: 708] , Statistics on independence cache: Total cache size (in pairs): 724, Positive cache size: 699, Positive conditional cache size: 10, Positive unconditional cache size: 689, Negative cache size: 25, Negative conditional cache size: 6, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 10204 ], Independence queries for same thread: 4 - PositiveResult [Line: 18]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 64 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 2.2s, 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: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 118 ConstructedInterpolants, 0 QuantifiedInterpolants, 422 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: ConditionalCommutativityOverallTime: 0.6s, ConditionalCommutativityCheckTime: 0.5s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 9, ConditionalCommutativityTraceChecks: 5, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-16 13:17:46,471 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-10-16 13:17:46,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...