This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-16 13:18:37,495 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-16 13:18:37,554 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-16 13:18:37,558 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-16 13:18:37,558 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-16 13:18:37,585 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-16 13:18:37,587 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-16 13:18:37,588 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-16 13:18:37,588 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-16 13:18:37,588 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-16 13:18:37,589 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-16 13:18:37,589 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-16 13:18:37,589 INFO L153 SettingsManager]: * Use SBE=true [2024-10-16 13:18:37,589 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-16 13:18:37,590 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-16 13:18:37,590 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-16 13:18:37,590 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-16 13:18:37,590 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-16 13:18:37,591 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-16 13:18:37,591 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-16 13:18:37,591 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-16 13:18:37,594 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-16 13:18:37,594 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-16 13:18:37,594 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-16 13:18:37,596 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-16 13:18:37,596 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-16 13:18:37,596 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-16 13:18:37,597 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-16 13:18:37,597 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-16 13:18:37,597 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-16 13:18:37,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-16 13:18:37,598 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-16 13:18:37,598 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-16 13:18:37,598 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-16 13:18:37,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-16 13:18:37,599 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-16 13:18:37,599 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-16 13:18:37,599 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-16 13:18:37,599 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-16 13:18:37,600 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-16 13:18:37,600 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-16 13:18:37,600 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 -> 26c7def9550acbb8db0f014014632a2eeeeca7df9ce503e9999e1bc5b1d84980 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> COUNTEREXAMPLE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: TraceCheck mode for conditional commutativity -> SYMBOLIC_RELATION [2024-10-16 13:18:37,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-16 13:18:37,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-16 13:18:37,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-16 13:18:37,853 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-16 13:18:37,853 INFO L274 PluginConnector]: CDTParser initialized [2024-10-16 13:18:37,854 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe014_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-10-16 13:18:39,078 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-16 13:18:39,309 INFO L384 CDTParser]: Found 1 translation units. [2024-10-16 13:18:39,309 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe014_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-10-16 13:18:39,323 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5c31f01f3/331eec79109847ad99c5bdbc4a49fe7d/FLAG041adfdb1 [2024-10-16 13:18:39,660 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5c31f01f3/331eec79109847ad99c5bdbc4a49fe7d [2024-10-16 13:18:39,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-16 13:18:39,664 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-16 13:18:39,665 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-16 13:18:39,665 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-16 13:18:39,670 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-16 13:18:39,670 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:18:39" (1/1) ... [2024-10-16 13:18:39,671 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4430e27f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:18:39, skipping insertion in model container [2024-10-16 13:18:39,671 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:18:39" (1/1) ... [2024-10-16 13:18:39,703 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-16 13:18:39,858 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe014_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-10-16 13:18:39,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-16 13:18:39,996 INFO L200 MainTranslator]: Completed pre-run [2024-10-16 13:18:40,006 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe014_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2024-10-16 13:18:40,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-16 13:18:40,078 INFO L204 MainTranslator]: Completed translation [2024-10-16 13:18:40,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:18:40 WrapperNode [2024-10-16 13:18:40,079 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-16 13:18:40,079 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-16 13:18:40,079 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-16 13:18:40,080 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-16 13:18:40,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:18:40" (1/1) ... [2024-10-16 13:18:40,099 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:18:40" (1/1) ... [2024-10-16 13:18:40,116 INFO L138 Inliner]: procedures = 175, calls = 41, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2024-10-16 13:18:40,118 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-16 13:18:40,118 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-16 13:18:40,119 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-16 13:18:40,119 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-16 13:18:40,125 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:18:40" (1/1) ... [2024-10-16 13:18:40,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:18:40" (1/1) ... [2024-10-16 13:18:40,133 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:18:40" (1/1) ... [2024-10-16 13:18:40,133 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:18:40" (1/1) ... [2024-10-16 13:18:40,136 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:18:40" (1/1) ... [2024-10-16 13:18:40,141 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:18:40" (1/1) ... [2024-10-16 13:18:40,142 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:18:40" (1/1) ... [2024-10-16 13:18:40,146 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:18:40" (1/1) ... [2024-10-16 13:18:40,148 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-16 13:18:40,149 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-16 13:18:40,149 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-16 13:18:40,149 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-16 13:18:40,149 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:18:40" (1/1) ... [2024-10-16 13:18:40,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-16 13:18:40,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 13:18:40,183 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-16 13:18:40,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-16 13:18:40,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-16 13:18:40,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-16 13:18:40,223 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-16 13:18:40,223 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-16 13:18:40,224 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-16 13:18:40,224 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-16 13:18:40,224 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-16 13:18:40,224 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-16 13:18:40,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-16 13:18:40,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-16 13:18:40,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-16 13:18:40,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-16 13:18:40,227 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-16 13:18:40,344 INFO L238 CfgBuilder]: Building ICFG [2024-10-16 13:18:40,345 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-16 13:18:40,459 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-16 13:18:40,459 INFO L287 CfgBuilder]: Performing block encoding [2024-10-16 13:18:40,516 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-16 13:18:40,517 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-16 13:18:40,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:18:40 BoogieIcfgContainer [2024-10-16 13:18:40,517 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-16 13:18:40,519 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-16 13:18:40,519 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-16 13:18:40,522 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-16 13:18:40,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:18:39" (1/3) ... [2024-10-16 13:18:40,523 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b714501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:18:40, skipping insertion in model container [2024-10-16 13:18:40,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:18:40" (2/3) ... [2024-10-16 13:18:40,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b714501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:18:40, skipping insertion in model container [2024-10-16 13:18:40,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:18:40" (3/3) ... [2024-10-16 13:18:40,525 INFO L112 eAbstractionObserver]: Analyzing ICFG safe014_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-10-16 13:18:40,539 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-16 13:18:40,539 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-16 13:18:40,540 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-16 13:18:40,586 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-16 13:18:40,625 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-16 13:18:40,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-16 13:18:40,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 13:18:40,628 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-16 13:18:40,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-16 13:18:40,709 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-16 13:18:40,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 13:18:40,724 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-16 13:18:40,728 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;@2de4d1a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=SYMBOLIC_RELATION, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-16 13:18:40,728 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-16 13:18:41,417 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 13:18:41,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 13:18:41,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1633081653, now seen corresponding path program 1 times [2024-10-16 13:18:41,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 13:18:41,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557094168] [2024-10-16 13:18:41,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:18:41,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:18:41,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 13:18:41,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 13:18:41,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 13:18:41,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557094168] [2024-10-16 13:18:41,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557094168] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 13:18:41,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 13:18:41,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-16 13:18:41,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552465039] [2024-10-16 13:18:41,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 13:18:41,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-16 13:18:41,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 13:18:41,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-16 13:18:41,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-16 13:18:41,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:18:41,934 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 13:18:41,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 13:18:41,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:18:42,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:18:42,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-16 13:18:42,180 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 13:18:42,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1270972836, now seen corresponding path program 1 times [2024-10-16 13:18:42,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:18:42,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:18:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 13:18:42,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 13:18:42,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:18:42,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:18:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 13:18:42,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 13:18:42,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-16 13:18:42,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-16 13:18:42,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-16 13:18:42,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:18:42,597 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 13:18:42,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 13:18:42,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:18:42,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:18:43,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-16 13:18:43,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:18:43,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,SelfDestructingSolverStorable1 [2024-10-16 13:18:43,162 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 13:18:43,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1225836885, now seen corresponding path program 1 times [2024-10-16 13:18:43,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:18:43,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:18:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-16 13:18:43,188 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-16 13:18:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-16 13:18:43,286 INFO L85 PathProgramCache]: Analyzing trace with hash -2000152877, now seen corresponding path program 1 times [2024-10-16 13:18:43,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:18:43,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:18:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-16 13:18:43,295 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-16 13:18:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-16 13:18:43,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 13:18:43,304 INFO L85 PathProgramCache]: Analyzing trace with hash -11738601, now seen corresponding path program 1 times [2024-10-16 13:18:43,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 13:18:43,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671565798] [2024-10-16 13:18:43,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:18:43,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:18:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 13:18:43,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 13:18:43,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 13:18:43,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671565798] [2024-10-16 13:18:43,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671565798] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 13:18:43,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 13:18:43,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-16 13:18:43,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677144012] [2024-10-16 13:18:43,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 13:18:43,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-16 13:18:43,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 13:18:43,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-16 13:18:43,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-16 13:18:43,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:18:43,446 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 13:18:43,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 13:18:43,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-16 13:18:43,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:18:43,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:18:43,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-16 13:18:43,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:18:43,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-16 13:18:43,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable5 [2024-10-16 13:18:43,693 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 13:18:43,713 INFO L85 PathProgramCache]: Analyzing trace with hash 2009041074, now seen corresponding path program 1 times [2024-10-16 13:18:43,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:18:43,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:18:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-16 13:18:43,719 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-16 13:18:43,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-16 13:18:43,805 INFO L85 PathProgramCache]: Analyzing trace with hash -172506255, now seen corresponding path program 1 times [2024-10-16 13:18:43,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:18:43,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:18:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-16 13:18:43,812 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-16 13:18:43,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-16 13:18:43,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 13:18:43,823 INFO L85 PathProgramCache]: Analyzing trace with hash -776021741, now seen corresponding path program 2 times [2024-10-16 13:18:43,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 13:18:43,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237818504] [2024-10-16 13:18:43,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:18:43,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:18:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 13:18:43,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 13:18:43,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 13:18:43,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237818504] [2024-10-16 13:18:43,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237818504] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 13:18:43,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 13:18:43,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-16 13:18:43,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273589479] [2024-10-16 13:18:43,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 13:18:43,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-16 13:18:43,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 13:18:43,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-16 13:18:43,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-16 13:18:43,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:18:43,942 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 13:18:43,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 13:18:43,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-16 13:18:43,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:18:43,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-16 13:18:43,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:18:44,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-16 13:18:44,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:18:44,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-16 13:18:44,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-16 13:18:44,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6 [2024-10-16 13:18:44,184 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 13:18:44,195 INFO L85 PathProgramCache]: Analyzing trace with hash 598915520, now seen corresponding path program 1 times [2024-10-16 13:18:44,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:18:44,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:18:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-16 13:18:44,201 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-16 13:18:44,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-16 13:18:44,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1092608595, now seen corresponding path program 1 times [2024-10-16 13:18:44,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:18:44,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:18:44,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-16 13:18:44,292 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-16 13:18:44,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-16 13:18:44,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 13:18:44,299 INFO L85 PathProgramCache]: Analyzing trace with hash -326891189, now seen corresponding path program 3 times [2024-10-16 13:18:44,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 13:18:44,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57053362] [2024-10-16 13:18:44,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:18:44,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:18:44,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 13:18:44,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 13:18:44,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 13:18:44,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57053362] [2024-10-16 13:18:44,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57053362] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 13:18:44,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 13:18:44,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-16 13:18:44,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049925313] [2024-10-16 13:18:44,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 13:18:44,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-16 13:18:44,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 13:18:44,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-16 13:18:44,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-16 13:18:44,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:18:44,405 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 13:18:44,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 13:18:44,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-16 13:18:44,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:18:44,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-16 13:18:44,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-16 13:18:44,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:18:44,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-16 13:18:44,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:18:44,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-16 13:18:44,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-16 13:18:44,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-16 13:18:44,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable9 [2024-10-16 13:18:44,644 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 13:18:44,660 INFO L85 PathProgramCache]: Analyzing trace with hash 928775527, now seen corresponding path program 1 times [2024-10-16 13:18:44,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:18:44,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:18:44,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-16 13:18:44,665 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-16 13:18:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-16 13:18:44,726 INFO L85 PathProgramCache]: Analyzing trace with hash 2101299955, now seen corresponding path program 1 times [2024-10-16 13:18:44,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:18:44,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:18:44,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-16 13:18:44,731 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-16 13:18:44,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-16 13:18:44,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 13:18:44,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1445280697, now seen corresponding path program 4 times [2024-10-16 13:18:44,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 13:18:44,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392182388] [2024-10-16 13:18:44,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:18:44,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:18:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 13:18:44,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 13:18:44,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 13:18:44,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392182388] [2024-10-16 13:18:44,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392182388] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 13:18:44,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 13:18:44,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-16 13:18:44,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507999745] [2024-10-16 13:18:44,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 13:18:44,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-16 13:18:44,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 13:18:44,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-16 13:18:44,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-16 13:18:44,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:18:44,848 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 13:18:44,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-16 13:18:44,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-16 13:18:44,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:18:44,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-16 13:18:44,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-16 13:18:44,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-10-16 13:18:44,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:18:45,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-16 13:18:45,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:18:45,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-16 13:18:45,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-16 13:18:45,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-16 13:18:45,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-16 13:18:45,085 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-10-16 13:18:45,085 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-10-16 13:18:45,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-10-16 13:18:45,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-10-16 13:18:45,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14 [2024-10-16 13:18:45,097 INFO L414 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-16 13:18:45,100 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-16 13:18:45,101 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-16 13:18:45,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:18:45 BasicIcfg [2024-10-16 13:18:45,103 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-16 13:18:45,104 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-16 13:18:45,104 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-16 13:18:45,104 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-16 13:18:45,105 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:18:40" (3/4) ... [2024-10-16 13:18:45,106 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-16 13:18:45,108 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-16 13:18:45,108 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-16 13:18:45,108 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-16 13:18:45,111 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2024-10-16 13:18:45,114 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-10-16 13:18:45,114 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-16 13:18:45,115 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-16 13:18:45,179 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-16 13:18:45,179 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-16 13:18:45,179 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-16 13:18:45,180 INFO L158 Benchmark]: Toolchain (without parser) took 5515.91ms. Allocated memory was 81.8MB in the beginning and 192.9MB in the end (delta: 111.1MB). Free memory was 54.8MB in the beginning and 90.0MB in the end (delta: -35.2MB). Peak memory consumption was 75.1MB. Max. memory is 16.1GB. [2024-10-16 13:18:45,180 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 60.8MB. Free memory was 32.3MB in the beginning and 32.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-16 13:18:45,180 INFO L158 Benchmark]: CACSL2BoogieTranslator took 413.40ms. Allocated memory is still 81.8MB. Free memory was 54.6MB in the beginning and 54.5MB in the end (delta: 23.6kB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2024-10-16 13:18:45,180 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.35ms. Allocated memory is still 81.8MB. Free memory was 54.2MB in the beginning and 52.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-16 13:18:45,180 INFO L158 Benchmark]: Boogie Preprocessor took 29.61ms. Allocated memory is still 81.8MB. Free memory was 52.3MB in the beginning and 51.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-16 13:18:45,182 INFO L158 Benchmark]: RCFGBuilder took 368.80ms. Allocated memory is still 81.8MB. Free memory was 51.0MB in the beginning and 57.5MB in the end (delta: -6.4MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2024-10-16 13:18:45,182 INFO L158 Benchmark]: TraceAbstraction took 4584.76ms. Allocated memory was 81.8MB in the beginning and 192.9MB in the end (delta: 111.1MB). Free memory was 56.2MB in the beginning and 94.2MB in the end (delta: -37.9MB). Peak memory consumption was 72.8MB. Max. memory is 16.1GB. [2024-10-16 13:18:45,182 INFO L158 Benchmark]: Witness Printer took 75.36ms. Allocated memory is still 192.9MB. Free memory was 94.2MB in the beginning and 90.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-16 13:18:45,183 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 60.8MB. Free memory was 32.3MB in the beginning and 32.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 413.40ms. Allocated memory is still 81.8MB. Free memory was 54.6MB in the beginning and 54.5MB in the end (delta: 23.6kB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.35ms. Allocated memory is still 81.8MB. Free memory was 54.2MB in the beginning and 52.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.61ms. Allocated memory is still 81.8MB. Free memory was 52.3MB in the beginning and 51.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 368.80ms. Allocated memory is still 81.8MB. Free memory was 51.0MB in the beginning and 57.5MB in the end (delta: -6.4MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. * TraceAbstraction took 4584.76ms. Allocated memory was 81.8MB in the beginning and 192.9MB in the end (delta: 111.1MB). Free memory was 56.2MB in the beginning and 94.2MB in the end (delta: -37.9MB). Peak memory consumption was 72.8MB. Max. memory is 16.1GB. * Witness Printer took 75.36ms. Allocated memory is still 192.9MB. Free memory was 94.2MB in the beginning and 90.0MB 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: 23155, independent: 22533, independent conditional: 21905, independent unconditional: 628, dependent: 622, dependent conditional: 596, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 23149, independent: 22533, independent conditional: 21905, independent unconditional: 628, dependent: 616, dependent conditional: 591, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23149, independent: 22533, independent conditional: 21905, independent unconditional: 628, dependent: 616, dependent conditional: 591, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 23149, independent: 22533, independent conditional: 21905, independent unconditional: 628, dependent: 616, dependent conditional: 591, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28366, independent: 22533, independent conditional: 21905, independent unconditional: 628, dependent: 5833, dependent conditional: 5783, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 28366, independent: 22533, independent conditional: 891, independent unconditional: 21642, dependent: 5833, dependent conditional: 703, dependent unconditional: 5130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 28366, independent: 22533, independent conditional: 891, independent unconditional: 21642, dependent: 5833, dependent conditional: 703, dependent unconditional: 5130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 690, independent: 638, independent conditional: 10, independent unconditional: 628, dependent: 52, dependent conditional: 27, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 690, independent: 620, independent conditional: 0, independent unconditional: 620, dependent: 70, dependent conditional: 0, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 70, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 52, dependent conditional: 27, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 52, dependent conditional: 27, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1338, independent: 363, independent conditional: 186, independent unconditional: 177, dependent: 975, dependent conditional: 282, dependent unconditional: 694, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 28366, independent: 21895, independent conditional: 881, independent unconditional: 21014, dependent: 5781, dependent conditional: 676, dependent unconditional: 5105, unknown: 690, unknown conditional: 37, unknown unconditional: 653] , Statistics on independence cache: Total cache size (in pairs): 690, Positive cache size: 638, Positive conditional cache size: 10, Positive unconditional cache size: 628, Negative cache size: 52, Negative conditional cache size: 27, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 26094, Maximal queried relation: 6, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28366, independent: 22533, independent conditional: 21905, independent unconditional: 628, dependent: 5833, dependent conditional: 5783, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 28366, independent: 22533, independent conditional: 891, independent unconditional: 21642, dependent: 5833, dependent conditional: 703, dependent unconditional: 5130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 28366, independent: 22533, independent conditional: 891, independent unconditional: 21642, dependent: 5833, dependent conditional: 703, dependent unconditional: 5130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 690, independent: 638, independent conditional: 10, independent unconditional: 628, dependent: 52, dependent conditional: 27, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 690, independent: 620, independent conditional: 0, independent unconditional: 620, dependent: 70, dependent conditional: 0, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 70, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 52, dependent conditional: 27, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 52, dependent conditional: 27, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1338, independent: 363, independent conditional: 186, independent unconditional: 177, dependent: 975, dependent conditional: 282, dependent unconditional: 694, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 28366, independent: 21895, independent conditional: 881, independent unconditional: 21014, dependent: 5781, dependent conditional: 676, dependent unconditional: 5105, unknown: 690, unknown conditional: 37, unknown unconditional: 653] , Statistics on independence cache: Total cache size (in pairs): 690, Positive cache size: 638, Positive conditional cache size: 10, Positive unconditional cache size: 628, Negative cache size: 52, Negative conditional cache size: 27, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 26094 ], Independence queries for same thread: 6, Persistent sets #1 benchmarks: Persistent set computation time: 1.0s, Number of persistent set computation: 661, Number of trivial persistent sets: 366, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 653, independent: 628, independent conditional: 0, independent unconditional: 628, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 23155, independent: 22533, independent conditional: 21905, independent unconditional: 628, dependent: 622, dependent conditional: 596, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 23149, independent: 22533, independent conditional: 21905, independent unconditional: 628, dependent: 616, dependent conditional: 591, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23149, independent: 22533, independent conditional: 21905, independent unconditional: 628, dependent: 616, dependent conditional: 591, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 23149, independent: 22533, independent conditional: 21905, independent unconditional: 628, dependent: 616, dependent conditional: 591, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28366, independent: 22533, independent conditional: 21905, independent unconditional: 628, dependent: 5833, dependent conditional: 5783, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 28366, independent: 22533, independent conditional: 891, independent unconditional: 21642, dependent: 5833, dependent conditional: 703, dependent unconditional: 5130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 28366, independent: 22533, independent conditional: 891, independent unconditional: 21642, dependent: 5833, dependent conditional: 703, dependent unconditional: 5130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 690, independent: 638, independent conditional: 10, independent unconditional: 628, dependent: 52, dependent conditional: 27, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 690, independent: 620, independent conditional: 0, independent unconditional: 620, dependent: 70, dependent conditional: 0, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 70, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 52, dependent conditional: 27, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 52, dependent conditional: 27, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1338, independent: 363, independent conditional: 186, independent unconditional: 177, dependent: 975, dependent conditional: 282, dependent unconditional: 694, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 28366, independent: 21895, independent conditional: 881, independent unconditional: 21014, dependent: 5781, dependent conditional: 676, dependent unconditional: 5105, unknown: 690, unknown conditional: 37, unknown unconditional: 653] , Statistics on independence cache: Total cache size (in pairs): 690, Positive cache size: 638, Positive conditional cache size: 10, Positive unconditional cache size: 628, Negative cache size: 52, Negative conditional cache size: 27, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 26094, Maximal queried relation: 6, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28366, independent: 22533, independent conditional: 21905, independent unconditional: 628, dependent: 5833, dependent conditional: 5783, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 28366, independent: 22533, independent conditional: 891, independent unconditional: 21642, dependent: 5833, dependent conditional: 703, dependent unconditional: 5130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 28366, independent: 22533, independent conditional: 891, independent unconditional: 21642, dependent: 5833, dependent conditional: 703, dependent unconditional: 5130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 690, independent: 638, independent conditional: 10, independent unconditional: 628, dependent: 52, dependent conditional: 27, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 690, independent: 620, independent conditional: 0, independent unconditional: 620, dependent: 70, dependent conditional: 0, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 70, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 52, dependent conditional: 27, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 70, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 52, dependent conditional: 27, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1338, independent: 363, independent conditional: 186, independent unconditional: 177, dependent: 975, dependent conditional: 282, dependent unconditional: 694, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 28366, independent: 21895, independent conditional: 881, independent unconditional: 21014, dependent: 5781, dependent conditional: 676, dependent unconditional: 5105, unknown: 690, unknown conditional: 37, unknown unconditional: 653] , Statistics on independence cache: Total cache size (in pairs): 690, Positive cache size: 638, Positive conditional cache size: 10, Positive unconditional cache size: 628, Negative cache size: 52, Negative conditional cache size: 27, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 26094 ], Independence queries for same thread: 6 - PositiveResult [Line: 18]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 62 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 2.5s, 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: 52, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 145 ConstructedInterpolants, 0 QuantifiedInterpolants, 1123 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: ConditionalCommutativityOverallTime: 0.9s, ConditionalCommutativityCheckTime: 0.9s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 1, ConditionalCommutativityConditionCalculations: 15, ConditionalCommutativityTraceChecks: 9, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-16 13:18:45,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-10-16 13:18:45,406 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...