This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-16 14:41:05,931 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-16 14:41:06,007 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-16 14:41:06,023 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-16 14:41:06,024 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-16 14:41:06,059 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-16 14:41:06,059 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-16 14:41:06,060 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-16 14:41:06,060 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-16 14:41:06,061 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-16 14:41:06,061 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-16 14:41:06,062 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-16 14:41:06,062 INFO L153 SettingsManager]: * Use SBE=true [2024-10-16 14:41:06,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-16 14:41:06,063 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-16 14:41:06,063 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-16 14:41:06,063 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-16 14:41:06,064 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-16 14:41:06,064 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-16 14:41:06,064 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-16 14:41:06,065 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-16 14:41:06,069 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-16 14:41:06,069 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-16 14:41:06,070 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-16 14:41:06,070 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-16 14:41:06,070 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-16 14:41:06,070 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-16 14:41:06,071 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-16 14:41:06,071 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-16 14:41:06,071 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-16 14:41:06,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-16 14:41:06,072 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-16 14:41:06,072 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-16 14:41:06,072 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-16 14:41:06,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-16 14:41:06,074 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-16 14:41:06,074 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-16 14:41:06,075 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-16 14:41:06,075 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-16 14:41:06,075 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-16 14:41:06,075 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-16 14:41:06,076 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 -> 1b3f2e76aa91b47c1b0ab3ebb03a5219efabc6e79eff8c780f49eaa0a2d155ad 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 14:41:06,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-16 14:41:06,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-16 14:41:06,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-16 14:41:06,449 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-16 14:41:06,450 INFO L274 PluginConnector]: CDTParser initialized [2024-10-16 14:41:06,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-4.wvr.c [2024-10-16 14:41:07,980 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-16 14:41:08,161 INFO L384 CDTParser]: Found 1 translation units. [2024-10-16 14:41:08,162 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-4.wvr.c [2024-10-16 14:41:08,169 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/30a6d4f9d/bd0a4c5ca05046989dcaf1225aa15e2b/FLAG84a8f7de1 [2024-10-16 14:41:08,187 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/30a6d4f9d/bd0a4c5ca05046989dcaf1225aa15e2b [2024-10-16 14:41:08,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-16 14:41:08,192 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-16 14:41:08,194 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-16 14:41:08,195 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-16 14:41:08,200 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-16 14:41:08,203 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:41:08" (1/1) ... [2024-10-16 14:41:08,204 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a37387f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:08, skipping insertion in model container [2024-10-16 14:41:08,204 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:41:08" (1/1) ... [2024-10-16 14:41:08,239 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-16 14:41:08,454 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-4.wvr.c[2989,3002] [2024-10-16 14:41:08,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-16 14:41:08,473 INFO L200 MainTranslator]: Completed pre-run [2024-10-16 14:41:08,499 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-4.wvr.c[2989,3002] [2024-10-16 14:41:08,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-16 14:41:08,522 INFO L204 MainTranslator]: Completed translation [2024-10-16 14:41:08,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:08 WrapperNode [2024-10-16 14:41:08,523 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-16 14:41:08,524 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-16 14:41:08,524 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-16 14:41:08,525 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-16 14:41:08,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:08" (1/1) ... [2024-10-16 14:41:08,544 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:08" (1/1) ... [2024-10-16 14:41:08,563 INFO L138 Inliner]: procedures = 21, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2024-10-16 14:41:08,564 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-16 14:41:08,567 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-16 14:41:08,567 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-16 14:41:08,567 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-16 14:41:08,575 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:08" (1/1) ... [2024-10-16 14:41:08,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:08" (1/1) ... [2024-10-16 14:41:08,577 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:08" (1/1) ... [2024-10-16 14:41:08,577 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:08" (1/1) ... [2024-10-16 14:41:08,582 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:08" (1/1) ... [2024-10-16 14:41:08,585 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:08" (1/1) ... [2024-10-16 14:41:08,587 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:08" (1/1) ... [2024-10-16 14:41:08,592 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:08" (1/1) ... [2024-10-16 14:41:08,594 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-16 14:41:08,596 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-16 14:41:08,596 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-16 14:41:08,596 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-16 14:41:08,597 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:08" (1/1) ... [2024-10-16 14:41:08,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-16 14:41:08,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 14:41:08,637 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 14:41:08,647 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 14:41:08,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-16 14:41:08,685 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-16 14:41:08,685 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-16 14:41:08,685 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-16 14:41:08,685 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-16 14:41:08,686 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-16 14:41:08,686 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-16 14:41:08,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-16 14:41:08,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-16 14:41:08,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-16 14:41:08,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-16 14:41:08,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-16 14:41:08,688 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 14:41:08,795 INFO L238 CfgBuilder]: Building ICFG [2024-10-16 14:41:08,800 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-16 14:41:09,032 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-16 14:41:09,033 INFO L287 CfgBuilder]: Performing block encoding [2024-10-16 14:41:09,233 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-16 14:41:09,234 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-16 14:41:09,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:41:09 BoogieIcfgContainer [2024-10-16 14:41:09,234 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-16 14:41:09,239 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-16 14:41:09,239 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-16 14:41:09,242 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-16 14:41:09,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:41:08" (1/3) ... [2024-10-16 14:41:09,243 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ad6cbb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:41:09, skipping insertion in model container [2024-10-16 14:41:09,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:08" (2/3) ... [2024-10-16 14:41:09,244 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ad6cbb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:41:09, skipping insertion in model container [2024-10-16 14:41:09,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:41:09" (3/3) ... [2024-10-16 14:41:09,246 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-4.wvr.c [2024-10-16 14:41:09,263 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-16 14:41:09,263 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-16 14:41:09,264 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-16 14:41:09,320 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-16 14:41:09,368 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-16 14:41:09,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-16 14:41:09,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 14:41:09,371 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 14:41:09,372 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 14:41:09,458 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-16 14:41:09,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 14:41:09,499 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-16 14:41:09,506 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;@3f21a35b, 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 14:41:09,507 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-16 14:41:10,284 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 14:41:10,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 14:41:10,288 INFO L85 PathProgramCache]: Analyzing trace with hash -431058583, now seen corresponding path program 1 times [2024-10-16 14:41:10,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 14:41:10,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117398104] [2024-10-16 14:41:10,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 14:41:10,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 14:41:10,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 14:41:10,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 14:41:10,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 14:41:10,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117398104] [2024-10-16 14:41:10,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117398104] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 14:41:10,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 14:41:10,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-16 14:41:10,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140991042] [2024-10-16 14:41:10,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 14:41:10,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-16 14:41:10,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 14:41:11,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-16 14:41:11,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-16 14:41:11,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 14:41:11,015 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 14:41:11,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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 14:41:11,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 14:41:11,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 14:41:11,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-16 14:41:11,117 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 14:41:11,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 14:41:11,118 INFO L85 PathProgramCache]: Analyzing trace with hash 336222271, now seen corresponding path program 1 times [2024-10-16 14:41:11,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 14:41:11,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893997657] [2024-10-16 14:41:11,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 14:41:11,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 14:41:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 14:41:11,566 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 14:41:11,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 14:41:11,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893997657] [2024-10-16 14:41:11,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893997657] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 14:41:11,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [640245792] [2024-10-16 14:41:11,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 14:41:11,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 14:41:11,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 14:41:11,588 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 14:41:11,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-16 14:41:11,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 14:41:11,684 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-16 14:41:11,689 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 14:41:11,988 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-16 14:41:11,988 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 14:41:12,336 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-16 14:41:12,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [640245792] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 14:41:12,336 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 14:41:12,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 18 [2024-10-16 14:41:12,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068896472] [2024-10-16 14:41:12,337 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 14:41:12,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-16 14:41:12,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 14:41:12,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-16 14:41:12,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2024-10-16 14:41:12,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 14:41:12,342 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 14:41:12,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.166666666666667) internal successors, (93), 18 states have internal predecessors, (93), 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 14:41:12,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 14:41:12,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 14:41:13,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 14:41:13,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-16 14:41:13,697 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-16 14:41:13,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-10-16 14:41:13,886 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 14:41:13,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 14:41:13,887 INFO L85 PathProgramCache]: Analyzing trace with hash 137119108, now seen corresponding path program 1 times [2024-10-16 14:41:13,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 14:41:13,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643465514] [2024-10-16 14:41:13,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 14:41:13,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 14:41:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 14:41:14,258 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 14:41:14,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 14:41:14,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643465514] [2024-10-16 14:41:14,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643465514] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 14:41:14,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1248908869] [2024-10-16 14:41:14,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 14:41:14,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 14:41:14,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 14:41:14,265 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 14:41:14,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-16 14:41:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 14:41:14,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-16 14:41:14,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 14:41:14,547 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 14:41:14,548 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 14:41:14,838 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 14:41:14,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1248908869] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 14:41:14,840 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 14:41:14,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 9] total 21 [2024-10-16 14:41:14,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146823375] [2024-10-16 14:41:14,841 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 14:41:14,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-16 14:41:14,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 14:41:14,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-16 14:41:14,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2024-10-16 14:41:14,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 14:41:14,846 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 14:41:14,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.909090909090909) internal successors, (108), 21 states have internal predecessors, (108), 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 14:41:14,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 14:41:14,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-10-16 14:41:14,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 14:41:16,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 14:41:16,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-16 14:41:16,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-16 14:41:16,305 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-16 14:41:16,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 14:41:16,490 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 14:41:16,587 INFO L85 PathProgramCache]: Analyzing trace with hash 180256644, now seen corresponding path program 1 times [2024-10-16 14:41:16,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 14:41:16,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 14:41:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 14:41:16,739 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 14:41:16,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 14:41:16,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 14:41:16,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 14:41:16,849 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 14:41:16,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 14:41:16,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1720245911, now seen corresponding path program 1 times [2024-10-16 14:41:16,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 14:41:16,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630683573] [2024-10-16 14:41:16,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 14:41:16,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 14:41:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 14:41:17,020 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-16 14:41:17,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 14:41:17,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630683573] [2024-10-16 14:41:17,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630683573] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 14:41:17,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 14:41:17,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-16 14:41:17,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535007523] [2024-10-16 14:41:17,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 14:41:17,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-16 14:41:17,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 14:41:17,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-16 14:41:17,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-16 14:41:17,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 14:41:17,023 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 14:41:17,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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 14:41:17,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 14:41:17,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-16 14:41:17,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-16 14:41:17,024 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 14:41:17,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 14:41:17,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-16 14:41:17,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-16 14:41:17,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 14:41:17,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable5 [2024-10-16 14:41:17,314 INFO L396 AbstractCegarLoop]: === Iteration 5 === 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 14:41:17,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 14:41:17,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1399093314, now seen corresponding path program 1 times [2024-10-16 14:41:17,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 14:41:17,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250051730] [2024-10-16 14:41:17,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 14:41:17,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 14:41:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 14:41:17,748 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 41 proven. 54 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-16 14:41:17,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 14:41:17,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250051730] [2024-10-16 14:41:17,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250051730] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 14:41:17,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [304889975] [2024-10-16 14:41:17,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 14:41:17,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 14:41:17,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 14:41:17,751 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 14:41:17,752 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-16 14:41:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 14:41:17,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-16 14:41:17,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 14:41:18,084 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 25 proven. 68 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-16 14:41:18,085 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 14:41:18,386 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 33 proven. 60 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-16 14:41:18,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [304889975] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 14:41:18,387 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 14:41:18,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 24 [2024-10-16 14:41:18,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404997123] [2024-10-16 14:41:18,387 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 14:41:18,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-16 14:41:18,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 14:41:18,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-16 14:41:18,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=453, Unknown=0, NotChecked=0, Total=600 [2024-10-16 14:41:18,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 14:41:18,390 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 14:41:18,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 5.72) internal successors, (143), 24 states have internal predecessors, (143), 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 14:41:18,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 14:41:18,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-10-16 14:41:18,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-10-16 14:41:18,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 14:41:18,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 14:41:20,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 14:41:20,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-16 14:41:20,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-16 14:41:20,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 14:41:20,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-16 14:41:20,189 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-16 14:41:20,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 14:41:20,376 INFO L396 AbstractCegarLoop]: === Iteration 6 === 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 14:41:20,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1637372853, now seen corresponding path program 1 times [2024-10-16 14:41:20,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 14:41:20,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 14:41:20,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 14:41:20,932 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 112 proven. 191 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-10-16 14:41:20,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 14:41:20,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 14:41:20,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 14:41:21,364 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 112 proven. 191 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-10-16 14:41:21,441 INFO L85 PathProgramCache]: Analyzing trace with hash 781042935, now seen corresponding path program 1 times [2024-10-16 14:41:21,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 14:41:21,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 14:41:21,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 14:41:21,818 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 112 proven. 191 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-10-16 14:41:21,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 14:41:21,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 14:41:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 14:41:22,201 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 112 proven. 191 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-10-16 14:41:22,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 14:41:22,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1038197400, now seen corresponding path program 2 times [2024-10-16 14:41:22,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 14:41:22,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136763846] [2024-10-16 14:41:22,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 14:41:22,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 14:41:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 14:41:22,569 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2024-10-16 14:41:22,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 14:41:22,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136763846] [2024-10-16 14:41:22,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136763846] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 14:41:22,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 14:41:22,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-16 14:41:22,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662898889] [2024-10-16 14:41:22,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 14:41:22,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-16 14:41:22,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 14:41:22,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-16 14:41:22,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-16 14:41:22,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 14:41:22,573 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 14:41:22,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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 14:41:22,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 14:41:22,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-10-16 14:41:22,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-10-16 14:41:22,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 14:41:22,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-16 14:41:22,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 14:41:22,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 14:41:22,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-16 14:41:22,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-16 14:41:22,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 14:41:22,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-10-16 14:41:22,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-16 14:41:22,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable9 [2024-10-16 14:41:22,960 INFO L396 AbstractCegarLoop]: === Iteration 7 === 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 14:41:23,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1637372833, now seen corresponding path program 1 times [2024-10-16 14:41:23,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 14:41:23,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 14:41:23,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 14:41:23,360 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 112 proven. 191 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-10-16 14:41:23,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 14:41:23,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 14:41:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 14:41:23,662 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 112 proven. 191 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-10-16 14:41:23,776 INFO L85 PathProgramCache]: Analyzing trace with hash 781042955, now seen corresponding path program 1 times [2024-10-16 14:41:23,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 14:41:23,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 14:41:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 14:41:24,110 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 112 proven. 191 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-10-16 14:41:24,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 14:41:24,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 14:41:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 14:41:24,419 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 112 proven. 191 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-10-16 14:41:24,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 14:41:24,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1288899847, now seen corresponding path program 3 times [2024-10-16 14:41:24,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 14:41:24,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432731972] [2024-10-16 14:41:24,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 14:41:24,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 14:41:24,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 14:41:24,614 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 292 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2024-10-16 14:41:24,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 14:41:24,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432731972] [2024-10-16 14:41:24,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432731972] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 14:41:24,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 14:41:24,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-16 14:41:24,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724972696] [2024-10-16 14:41:24,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 14:41:24,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-16 14:41:24,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 14:41:24,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-16 14:41:24,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-16 14:41:24,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 14:41:24,617 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 14:41:24,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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 14:41:24,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 14:41:24,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-10-16 14:41:24,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-10-16 14:41:24,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 14:41:24,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-10-16 14:41:24,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-10-16 14:41:24,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 14:41:25,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 14:41:25,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-10-16 14:41:25,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-10-16 14:41:25,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 14:41:25,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-10-16 14:41:25,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-16 14:41:25,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 14:41:25,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-10-16 14:41:25,944 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-10-16 14:41:25,945 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-10-16 14:41:25,945 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-10-16 14:41:25,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16 [2024-10-16 14:41:25,956 INFO L414 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-16 14:41:25,961 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-16 14:41:25,961 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-16 14:41:25,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:41:25 BasicIcfg [2024-10-16 14:41:25,966 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-16 14:41:25,967 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-16 14:41:25,967 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-16 14:41:25,968 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-16 14:41:25,968 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:41:09" (3/4) ... [2024-10-16 14:41:25,970 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-16 14:41:25,973 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-16 14:41:25,973 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-16 14:41:25,973 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-16 14:41:25,978 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2024-10-16 14:41:25,978 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-16 14:41:25,979 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-16 14:41:25,979 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-16 14:41:26,072 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-16 14:41:26,072 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-16 14:41:26,073 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-16 14:41:26,073 INFO L158 Benchmark]: Toolchain (without parser) took 17881.80ms. Allocated memory was 65.0MB in the beginning and 367.0MB in the end (delta: 302.0MB). Free memory was 31.3MB in the beginning and 234.4MB in the end (delta: -203.1MB). Peak memory consumption was 98.6MB. Max. memory is 16.1GB. [2024-10-16 14:41:26,073 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 46.1MB. Free memory was 26.7MB in the beginning and 26.7MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-16 14:41:26,074 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.57ms. Allocated memory is still 65.0MB. Free memory was 31.1MB in the beginning and 33.6MB in the end (delta: -2.4MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2024-10-16 14:41:26,074 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.52ms. Allocated memory is still 65.0MB. Free memory was 33.6MB in the beginning and 31.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-16 14:41:26,074 INFO L158 Benchmark]: Boogie Preprocessor took 28.51ms. Allocated memory is still 65.0MB. Free memory was 31.9MB in the beginning and 30.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-16 14:41:26,074 INFO L158 Benchmark]: RCFGBuilder took 638.70ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 30.4MB in the beginning and 49.6MB in the end (delta: -19.1MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2024-10-16 14:41:26,075 INFO L158 Benchmark]: TraceAbstraction took 16727.58ms. Allocated memory was 79.7MB in the beginning and 367.0MB in the end (delta: 287.3MB). Free memory was 48.5MB in the beginning and 238.6MB in the end (delta: -190.2MB). Peak memory consumption was 97.6MB. Max. memory is 16.1GB. [2024-10-16 14:41:26,075 INFO L158 Benchmark]: Witness Printer took 105.89ms. Allocated memory is still 367.0MB. Free memory was 238.6MB in the beginning and 234.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-16 14:41:26,076 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 46.1MB. Free memory was 26.7MB in the beginning and 26.7MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.57ms. Allocated memory is still 65.0MB. Free memory was 31.1MB in the beginning and 33.6MB in the end (delta: -2.4MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.52ms. Allocated memory is still 65.0MB. Free memory was 33.6MB in the beginning and 31.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.51ms. Allocated memory is still 65.0MB. Free memory was 31.9MB in the beginning and 30.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 638.70ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 30.4MB in the beginning and 49.6MB in the end (delta: -19.1MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * TraceAbstraction took 16727.58ms. Allocated memory was 79.7MB in the beginning and 367.0MB in the end (delta: 287.3MB). Free memory was 48.5MB in the beginning and 238.6MB in the end (delta: -190.2MB). Peak memory consumption was 97.6MB. Max. memory is 16.1GB. * Witness Printer took 105.89ms. Allocated memory is still 367.0MB. Free memory was 238.6MB in the beginning and 234.4MB 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: 26255, independent: 24814, independent conditional: 23783, independent unconditional: 1031, dependent: 1441, dependent conditional: 1421, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 24858, independent: 24814, independent conditional: 23783, independent unconditional: 1031, dependent: 44, dependent conditional: 24, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24858, independent: 24814, independent conditional: 23783, independent unconditional: 1031, dependent: 44, dependent conditional: 24, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 24858, independent: 24814, independent conditional: 23783, independent unconditional: 1031, dependent: 44, dependent conditional: 24, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26586, independent: 24814, independent conditional: 23783, independent unconditional: 1031, dependent: 1772, dependent conditional: 1732, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 26586, independent: 24814, independent conditional: 620, independent unconditional: 24194, dependent: 1772, dependent conditional: 265, dependent unconditional: 1507, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 26586, independent: 24814, independent conditional: 620, independent unconditional: 24194, dependent: 1772, dependent conditional: 265, dependent unconditional: 1507, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 895, independent: 845, independent conditional: 60, independent unconditional: 785, dependent: 50, dependent conditional: 30, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 895, independent: 775, independent conditional: 0, independent unconditional: 775, dependent: 120, dependent conditional: 0, dependent unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 120, independent: 70, independent conditional: 60, independent unconditional: 10, dependent: 50, dependent conditional: 30, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 120, independent: 70, independent conditional: 60, independent unconditional: 10, dependent: 50, dependent conditional: 30, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3589, independent: 1771, independent conditional: 1587, independent unconditional: 185, dependent: 1817, dependent conditional: 915, dependent unconditional: 902, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 26586, independent: 23969, independent conditional: 560, independent unconditional: 23409, dependent: 1722, dependent conditional: 235, dependent unconditional: 1487, unknown: 895, unknown conditional: 90, unknown unconditional: 805] , Statistics on independence cache: Total cache size (in pairs): 895, Positive cache size: 845, Positive conditional cache size: 60, Positive unconditional cache size: 785, Negative cache size: 50, Negative conditional cache size: 30, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 24630, Maximal queried relation: 6, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26586, independent: 24814, independent conditional: 23783, independent unconditional: 1031, dependent: 1772, dependent conditional: 1732, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 26586, independent: 24814, independent conditional: 620, independent unconditional: 24194, dependent: 1772, dependent conditional: 265, dependent unconditional: 1507, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 26586, independent: 24814, independent conditional: 620, independent unconditional: 24194, dependent: 1772, dependent conditional: 265, dependent unconditional: 1507, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 895, independent: 845, independent conditional: 60, independent unconditional: 785, dependent: 50, dependent conditional: 30, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 895, independent: 775, independent conditional: 0, independent unconditional: 775, dependent: 120, dependent conditional: 0, dependent unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 120, independent: 70, independent conditional: 60, independent unconditional: 10, dependent: 50, dependent conditional: 30, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 120, independent: 70, independent conditional: 60, independent unconditional: 10, dependent: 50, dependent conditional: 30, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3589, independent: 1771, independent conditional: 1587, independent unconditional: 185, dependent: 1817, dependent conditional: 915, dependent unconditional: 902, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 26586, independent: 23969, independent conditional: 560, independent unconditional: 23409, dependent: 1722, dependent conditional: 235, dependent unconditional: 1487, unknown: 895, unknown conditional: 90, unknown unconditional: 805] , Statistics on independence cache: Total cache size (in pairs): 895, Positive cache size: 845, Positive conditional cache size: 60, Positive unconditional cache size: 785, Negative cache size: 50, Negative conditional cache size: 30, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 24630 ], Independence queries for same thread: 1397, Persistent sets #1 benchmarks: Persistent set computation time: 1.2s, Number of persistent set computation: 483, Number of trivial persistent sets: 429, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1051, independent: 1031, independent conditional: 0, independent unconditional: 1031, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 26255, independent: 24814, independent conditional: 23783, independent unconditional: 1031, dependent: 1441, dependent conditional: 1421, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 24858, independent: 24814, independent conditional: 23783, independent unconditional: 1031, dependent: 44, dependent conditional: 24, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24858, independent: 24814, independent conditional: 23783, independent unconditional: 1031, dependent: 44, dependent conditional: 24, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 24858, independent: 24814, independent conditional: 23783, independent unconditional: 1031, dependent: 44, dependent conditional: 24, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26586, independent: 24814, independent conditional: 23783, independent unconditional: 1031, dependent: 1772, dependent conditional: 1732, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 26586, independent: 24814, independent conditional: 620, independent unconditional: 24194, dependent: 1772, dependent conditional: 265, dependent unconditional: 1507, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 26586, independent: 24814, independent conditional: 620, independent unconditional: 24194, dependent: 1772, dependent conditional: 265, dependent unconditional: 1507, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 895, independent: 845, independent conditional: 60, independent unconditional: 785, dependent: 50, dependent conditional: 30, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 895, independent: 775, independent conditional: 0, independent unconditional: 775, dependent: 120, dependent conditional: 0, dependent unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 120, independent: 70, independent conditional: 60, independent unconditional: 10, dependent: 50, dependent conditional: 30, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 120, independent: 70, independent conditional: 60, independent unconditional: 10, dependent: 50, dependent conditional: 30, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3589, independent: 1771, independent conditional: 1587, independent unconditional: 185, dependent: 1817, dependent conditional: 915, dependent unconditional: 902, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 26586, independent: 23969, independent conditional: 560, independent unconditional: 23409, dependent: 1722, dependent conditional: 235, dependent unconditional: 1487, unknown: 895, unknown conditional: 90, unknown unconditional: 805] , Statistics on independence cache: Total cache size (in pairs): 895, Positive cache size: 845, Positive conditional cache size: 60, Positive unconditional cache size: 785, Negative cache size: 50, Negative conditional cache size: 30, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 24630, Maximal queried relation: 6, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26586, independent: 24814, independent conditional: 23783, independent unconditional: 1031, dependent: 1772, dependent conditional: 1732, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 26586, independent: 24814, independent conditional: 620, independent unconditional: 24194, dependent: 1772, dependent conditional: 265, dependent unconditional: 1507, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 26586, independent: 24814, independent conditional: 620, independent unconditional: 24194, dependent: 1772, dependent conditional: 265, dependent unconditional: 1507, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 895, independent: 845, independent conditional: 60, independent unconditional: 785, dependent: 50, dependent conditional: 30, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 895, independent: 775, independent conditional: 0, independent unconditional: 775, dependent: 120, dependent conditional: 0, dependent unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 120, independent: 70, independent conditional: 60, independent unconditional: 10, dependent: 50, dependent conditional: 30, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 120, independent: 70, independent conditional: 60, independent unconditional: 10, dependent: 50, dependent conditional: 30, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3589, independent: 1771, independent conditional: 1587, independent unconditional: 185, dependent: 1817, dependent conditional: 915, dependent unconditional: 902, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 26586, independent: 23969, independent conditional: 560, independent unconditional: 23409, dependent: 1722, dependent conditional: 235, dependent unconditional: 1487, unknown: 895, unknown conditional: 90, unknown unconditional: 805] , Statistics on independence cache: Total cache size (in pairs): 895, Positive cache size: 845, Positive conditional cache size: 60, Positive unconditional cache size: 785, Negative cache size: 50, Negative conditional cache size: 30, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 24630 ], Independence queries for same thread: 1397 - PositiveResult [Line: 116]: 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, 60 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 16.5s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 7.4s, 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: 140, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 625 NumberOfCodeBlocks, 625 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 757 ConstructedInterpolants, 0 QuantifiedInterpolants, 3341 SizeOfPredicates, 18 NumberOfNonLiveVariables, 533 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 13 InterpolantComputations, 4 PerfectInterpolantSequences, 1411/1637 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: 3.6s, ConditionalCommutativityCheckTime: 3.6s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 5, ConditionalCommutativityTraceChecks: 5, ConditionalCommutativityImperfectProofs: 5 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-16 14:41:26,107 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 14:41:26,303 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...