/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistent.epf --traceabstraction.dfs.order.used.in.por PSEUDO_LOCKSTEP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix010.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 17:09:17,490 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 17:09:17,666 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistent.epf [2023-11-17 17:09:17,669 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-17 17:09:17,670 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-17 17:09:17,686 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 17:09:17,687 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-17 17:09:17,687 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-17 17:09:17,688 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 17:09:17,688 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 17:09:17,688 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 17:09:17,689 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 17:09:17,689 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 17:09:17,689 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 17:09:17,690 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 17:09:17,690 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 17:09:17,690 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 17:09:17,691 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 17:09:17,691 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 17:09:17,691 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 17:09:17,691 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 17:09:17,692 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 17:09:17,692 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 17:09:17,692 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 17:09:17,693 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 17:09:17,693 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 17:09:17,693 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 17:09:17,693 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 17:09:17,693 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 17:09:17,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 17:09:17,694 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 17:09:17,694 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 17:09:17,694 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 17:09:17,694 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 17:09:17,695 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 17:09:17,695 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-17 17:09:17,695 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-17 17:09:17,695 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-17 17:09:17,695 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-17 17:09:17,696 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2023-11-17 17:09:17,696 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> PSEUDO_LOCKSTEP [2023-11-17 17:09:17,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 17:09:17,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 17:09:17,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 17:09:17,921 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 17:09:17,921 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 17:09:17,922 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix010.opt.i [2023-11-17 17:09:19,146 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 17:09:19,399 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 17:09:19,399 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix010.opt.i [2023-11-17 17:09:19,421 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29bd82938/0c10298c34e1426aaaad200c94373116/FLAG069f153bf [2023-11-17 17:09:19,436 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29bd82938/0c10298c34e1426aaaad200c94373116 [2023-11-17 17:09:19,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 17:09:19,439 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 17:09:19,441 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 17:09:19,441 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 17:09:19,446 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 17:09:19,446 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:09:19" (1/1) ... [2023-11-17 17:09:19,447 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2873652f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:09:19, skipping insertion in model container [2023-11-17 17:09:19,447 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:09:19" (1/1) ... [2023-11-17 17:09:19,486 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 17:09:19,629 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix010.opt.i[944,957] [2023-11-17 17:09:19,822 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 17:09:19,834 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 17:09:19,844 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix010.opt.i[944,957] [2023-11-17 17:09:19,906 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 17:09:19,934 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 17:09:19,934 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 17:09:19,941 INFO L206 MainTranslator]: Completed translation [2023-11-17 17:09:19,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:09:19 WrapperNode [2023-11-17 17:09:19,943 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 17:09:19,944 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 17:09:19,944 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 17:09:19,944 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 17:09:19,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:09:19" (1/1) ... [2023-11-17 17:09:19,978 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:09:19" (1/1) ... [2023-11-17 17:09:20,020 INFO L138 Inliner]: procedures = 176, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 151 [2023-11-17 17:09:20,021 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 17:09:20,022 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 17:09:20,022 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 17:09:20,022 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 17:09:20,030 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:09:19" (1/1) ... [2023-11-17 17:09:20,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:09:19" (1/1) ... [2023-11-17 17:09:20,044 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:09:19" (1/1) ... [2023-11-17 17:09:20,044 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:09:19" (1/1) ... [2023-11-17 17:09:20,054 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:09:19" (1/1) ... [2023-11-17 17:09:20,055 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:09:19" (1/1) ... [2023-11-17 17:09:20,057 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:09:19" (1/1) ... [2023-11-17 17:09:20,059 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:09:19" (1/1) ... [2023-11-17 17:09:20,075 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 17:09:20,076 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 17:09:20,076 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 17:09:20,076 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 17:09:20,077 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:09:19" (1/1) ... [2023-11-17 17:09:20,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 17:09:20,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:09:20,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-17 17:09:20,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-17 17:09:20,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 17:09:20,150 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-17 17:09:20,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 17:09:20,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 17:09:20,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 17:09:20,151 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-17 17:09:20,151 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-17 17:09:20,151 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-17 17:09:20,151 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-17 17:09:20,151 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-17 17:09:20,151 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-17 17:09:20,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 17:09:20,151 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-17 17:09:20,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 17:09:20,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 17:09:20,153 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-17 17:09:20,268 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 17:09:20,269 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 17:09:20,583 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 17:09:20,699 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 17:09:20,699 INFO L307 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-17 17:09:20,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 05:09:20 BoogieIcfgContainer [2023-11-17 17:09:20,700 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 17:09:20,702 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 17:09:20,702 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 17:09:20,705 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 17:09:20,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 05:09:19" (1/3) ... [2023-11-17 17:09:20,705 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d86be9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:09:20, skipping insertion in model container [2023-11-17 17:09:20,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:09:19" (2/3) ... [2023-11-17 17:09:20,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d86be9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:09:20, skipping insertion in model container [2023-11-17 17:09:20,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 05:09:20" (3/3) ... [2023-11-17 17:09:20,707 INFO L112 eAbstractionObserver]: Analyzing ICFG mix010.opt.i [2023-11-17 17:09:20,713 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-17 17:09:20,721 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 17:09:20,721 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-17 17:09:20,721 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 17:09:20,780 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-17 17:09:20,821 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 17:09:20,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 17:09:20,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:09:20,827 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-17 17:09:20,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-11-17 17:09:20,864 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 17:09:20,875 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Thread1of1ForFork2 ======== [2023-11-17 17:09:20,881 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@52c5e9af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 17:09:20,881 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-17 17:09:21,053 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:09:21,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:09:21,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1669964507, now seen corresponding path program 1 times [2023-11-17 17:09:21,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:09:21,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678119310] [2023-11-17 17:09:21,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:09:21,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:09:21,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:09:21,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 17:09:21,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:09:21,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678119310] [2023-11-17 17:09:21,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678119310] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:09:21,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:09:21,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 17:09:21,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311623310] [2023-11-17 17:09:21,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:09:21,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 17:09:21,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:09:21,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 17:09:21,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 17:09:21,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:09:21,678 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:09:21,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 17:09:21,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:09:22,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:09:22,105 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-17 17:09:22,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 17:09:22,111 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-17 17:09:22,113 INFO L307 ceAbstractionStarter]: Result for error location P2Thread1of1ForFork2 was SAFE (1/2) [2023-11-17 17:09:22,117 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 17:09:22,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 17:09:22,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:09:22,120 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-17 17:09:22,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2023-11-17 17:09:22,130 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 17:09:22,130 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-17 17:09:22,131 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@52c5e9af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 17:09:22,131 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-17 17:09:22,252 INFO L420 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)] === [2023-11-17 17:09:22,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:09:22,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1475998441, now seen corresponding path program 1 times [2023-11-17 17:09:22,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:09:22,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989553440] [2023-11-17 17:09:22,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:09:22,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:09:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:09:22,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 17:09:22,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:09:22,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989553440] [2023-11-17 17:09:22,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989553440] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:09:22,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:09:22,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 17:09:22,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802896166] [2023-11-17 17:09:22,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:09:22,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-17 17:09:22,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:09:22,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-17 17:09:22,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-17 17:09:22,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:09:22,341 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:09:22,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 17:09:22,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:09:22,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:09:22,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-17 17:09:22,370 INFO L420 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)] === [2023-11-17 17:09:22,370 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:09:22,370 INFO L85 PathProgramCache]: Analyzing trace with hash -664807082, now seen corresponding path program 1 times [2023-11-17 17:09:22,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:09:22,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496265813] [2023-11-17 17:09:22,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:09:22,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:09:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:09:22,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 17:09:22,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:09:22,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496265813] [2023-11-17 17:09:22,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496265813] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:09:22,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:09:22,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-17 17:09:22,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287518335] [2023-11-17 17:09:22,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:09:22,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 17:09:22,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:09:22,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 17:09:22,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 17:09:22,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:09:22,670 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:09:22,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 17:09:22,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:09:22,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:09:22,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:09:22,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:09:22,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-17 17:09:22,858 INFO L420 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)] === [2023-11-17 17:09:22,861 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:09:22,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1654128638, now seen corresponding path program 1 times [2023-11-17 17:09:22,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:09:22,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441514925] [2023-11-17 17:09:22,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:09:22,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:09:22,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:09:23,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 17:09:23,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:09:23,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441514925] [2023-11-17 17:09:23,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441514925] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:09:23,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:09:23,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-17 17:09:23,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862413723] [2023-11-17 17:09:23,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:09:23,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-17 17:09:23,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:09:23,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-17 17:09:23,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-17 17:09:23,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:09:23,219 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:09:23,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 17:09:23,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:09:23,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:09:23,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:09:23,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:09:23,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:09:23,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:09:23,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-17 17:09:23,455 INFO L420 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)] === [2023-11-17 17:09:23,455 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:09:23,455 INFO L85 PathProgramCache]: Analyzing trace with hash 241379788, now seen corresponding path program 1 times [2023-11-17 17:09:23,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:09:23,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983124256] [2023-11-17 17:09:23,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:09:23,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:09:23,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:09:23,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 17:09:23,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:09:23,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983124256] [2023-11-17 17:09:23,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983124256] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:09:23,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:09:23,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-17 17:09:23,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094992378] [2023-11-17 17:09:23,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:09:23,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-17 17:09:23,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:09:23,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-17 17:09:23,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-17 17:09:23,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:09:23,741 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:09:23,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 17:09:23,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:09:23,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:09:23,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:09:23,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:09:23,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:09:23,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:09:23,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:09:23,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-17 17:09:23,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-17 17:09:23,956 INFO L420 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)] === [2023-11-17 17:09:23,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:09:23,957 INFO L85 PathProgramCache]: Analyzing trace with hash -349564574, now seen corresponding path program 1 times [2023-11-17 17:09:23,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:09:23,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294494153] [2023-11-17 17:09:23,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:09:23,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:09:23,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:09:24,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 17:09:24,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:09:24,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294494153] [2023-11-17 17:09:24,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294494153] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:09:24,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:09:24,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-17 17:09:24,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204974523] [2023-11-17 17:09:24,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:09:24,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-17 17:09:24,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:09:24,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-17 17:09:24,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-17 17:09:24,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:09:24,173 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:09:24,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.857142857142858) internal successors, (83), 7 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 17:09:24,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:09:24,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:09:24,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:09:24,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-17 17:09:24,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:09:24,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:09:24,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:09:24,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:09:24,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-17 17:09:24,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-17 17:09:24,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-17 17:09:24,424 INFO L420 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)] === [2023-11-17 17:09:24,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:09:24,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1479656275, now seen corresponding path program 1 times [2023-11-17 17:09:24,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:09:24,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760664316] [2023-11-17 17:09:24,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:09:24,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:09:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:09:24,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 17:09:24,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:09:24,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760664316] [2023-11-17 17:09:24,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760664316] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:09:24,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:09:24,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-17 17:09:24,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140949852] [2023-11-17 17:09:24,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:09:24,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-17 17:09:24,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:09:24,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-17 17:09:24,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-11-17 17:09:24,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:09:24,883 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:09:24,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.636363636363637) internal successors, (84), 11 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 17:09:24,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:09:24,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:09:24,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:09:24,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-17 17:09:24,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-17 17:09:24,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:09:25,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:09:25,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:09:25,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:09:25,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-17 17:09:25,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-17 17:09:25,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:09:25,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-17 17:09:25,183 INFO L420 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)] === [2023-11-17 17:09:25,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:09:25,184 INFO L85 PathProgramCache]: Analyzing trace with hash -570772362, now seen corresponding path program 1 times [2023-11-17 17:09:25,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:09:25,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347262933] [2023-11-17 17:09:25,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:09:25,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:09:25,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:09:25,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 17:09:25,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:09:25,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347262933] [2023-11-17 17:09:25,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347262933] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:09:25,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:09:25,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-17 17:09:25,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779516676] [2023-11-17 17:09:25,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:09:25,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-17 17:09:25,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:09:25,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-17 17:09:25,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-17 17:09:25,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:09:25,362 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:09:25,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 17:09:25,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:09:25,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:09:25,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:09:25,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-17 17:09:25,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-17 17:09:25,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:09:25,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:09:25,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:09:25,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:09:25,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:09:25,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-17 17:09:25,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-17 17:09:25,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:09:25,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-17 17:09:25,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-17 17:09:25,771 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-17 17:09:25,771 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:09:25,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1247639153, now seen corresponding path program 1 times [2023-11-17 17:09:25,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:09:25,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618770262] [2023-11-17 17:09:25,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:09:25,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:09:25,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:09:26,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 17:09:26,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:09:26,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618770262] [2023-11-17 17:09:26,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618770262] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:09:26,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:09:26,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-17 17:09:26,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918706338] [2023-11-17 17:09:26,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:09:26,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-17 17:09:26,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:09:26,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-17 17:09:26,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-17 17:09:26,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:09:26,048 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:09:26,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 17:09:26,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:09:26,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:09:26,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:09:26,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-17 17:09:26,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-17 17:09:26,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:09:26,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-11-17 17:09:26,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:09:26,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:09:26,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 17:09:26,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:09:26,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-17 17:09:26,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-17 17:09:26,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:09:26,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-17 17:09:26,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-17 17:09:26,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-17 17:09:26,243 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-11-17 17:09:26,243 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:09:26,243 INFO L85 PathProgramCache]: Analyzing trace with hash 2143341656, now seen corresponding path program 1 times [2023-11-17 17:09:26,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:09:26,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12730371] [2023-11-17 17:09:26,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:09:26,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:09:26,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-17 17:09:26,281 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-17 17:09:26,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-17 17:09:26,345 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-17 17:09:26,346 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-17 17:09:26,346 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-11-17 17:09:26,346 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-11-17 17:09:26,346 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-11-17 17:09:26,347 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-11-17 17:09:26,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-17 17:09:26,348 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-17 17:09:26,349 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN (2/2) [2023-11-17 17:09:26,351 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-17 17:09:26,351 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-17 17:09:26,422 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre7 could not be translated [2023-11-17 17:09:26,425 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre9 could not be translated [2023-11-17 17:09:26,425 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre11 could not be translated [2023-11-17 17:09:26,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 05:09:26 BasicIcfg [2023-11-17 17:09:26,459 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-17 17:09:26,459 INFO L158 Benchmark]: Toolchain (without parser) took 7020.24ms. Allocated memory was 270.5MB in the beginning and 361.8MB in the end (delta: 91.2MB). Free memory was 212.9MB in the beginning and 194.2MB in the end (delta: 18.7MB). Peak memory consumption was 110.7MB. Max. memory is 8.0GB. [2023-11-17 17:09:26,460 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 187.7MB. Free memory is still 142.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 17:09:26,460 INFO L158 Benchmark]: CACSL2BoogieTranslator took 502.10ms. Allocated memory is still 270.5MB. Free memory was 212.9MB in the beginning and 188.7MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2023-11-17 17:09:26,460 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.97ms. Allocated memory is still 270.5MB. Free memory was 188.7MB in the beginning and 186.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-11-17 17:09:26,460 INFO L158 Benchmark]: Boogie Preprocessor took 53.75ms. Allocated memory is still 270.5MB. Free memory was 186.0MB in the beginning and 183.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-11-17 17:09:26,461 INFO L158 Benchmark]: RCFGBuilder took 624.24ms. Allocated memory is still 270.5MB. Free memory was 183.9MB in the beginning and 204.2MB in the end (delta: -20.3MB). Peak memory consumption was 9.5MB. Max. memory is 8.0GB. [2023-11-17 17:09:26,461 INFO L158 Benchmark]: TraceAbstraction took 5756.68ms. Allocated memory was 270.5MB in the beginning and 361.8MB in the end (delta: 91.2MB). Free memory was 203.7MB in the beginning and 194.2MB in the end (delta: 9.5MB). Peak memory consumption was 101.2MB. Max. memory is 8.0GB. [2023-11-17 17:09:26,462 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 187.7MB. Free memory is still 142.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 502.10ms. Allocated memory is still 270.5MB. Free memory was 212.9MB in the beginning and 188.7MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 76.97ms. Allocated memory is still 270.5MB. Free memory was 188.7MB in the beginning and 186.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 53.75ms. Allocated memory is still 270.5MB. Free memory was 186.0MB in the beginning and 183.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 624.24ms. Allocated memory is still 270.5MB. Free memory was 183.9MB in the beginning and 204.2MB in the end (delta: -20.3MB). Peak memory consumption was 9.5MB. Max. memory is 8.0GB. * TraceAbstraction took 5756.68ms. Allocated memory was 270.5MB in the beginning and 361.8MB in the end (delta: 91.2MB). Free memory was 203.7MB in the beginning and 194.2MB in the end (delta: 9.5MB). Peak memory consumption was 101.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre11 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4413, independent: 4261, independent conditional: 2694, independent unconditional: 1567, dependent: 152, dependent conditional: 129, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4383, independent: 4261, independent conditional: 2694, independent unconditional: 1567, dependent: 122, dependent conditional: 99, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4383, independent: 4261, independent conditional: 2694, independent unconditional: 1567, dependent: 122, dependent conditional: 99, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4546, independent: 4261, independent conditional: 64, independent unconditional: 4197, dependent: 285, dependent conditional: 99, dependent unconditional: 186, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4546, independent: 4261, independent conditional: 64, independent unconditional: 4197, dependent: 285, dependent conditional: 69, dependent unconditional: 216, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4546, independent: 4261, independent conditional: 64, independent unconditional: 4197, dependent: 285, dependent conditional: 69, dependent unconditional: 216, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1598, independent: 1569, independent conditional: 2, independent unconditional: 1567, dependent: 29, dependent conditional: 4, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1598, independent: 1561, independent conditional: 0, independent unconditional: 1561, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 37, independent: 8, independent conditional: 2, independent unconditional: 6, dependent: 29, dependent conditional: 4, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, independent: 8, independent conditional: 2, independent unconditional: 6, dependent: 29, dependent conditional: 4, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 274, independent: 76, independent conditional: 23, independent unconditional: 53, dependent: 198, dependent conditional: 40, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4546, independent: 2692, independent conditional: 62, independent unconditional: 2630, dependent: 256, dependent conditional: 65, dependent unconditional: 191, unknown: 1598, unknown conditional: 6, unknown unconditional: 1592] , Statistics on independence cache: Total cache size (in pairs): 1598, Positive cache size: 1569, Positive conditional cache size: 2, Positive unconditional cache size: 1567, Negative cache size: 29, Negative conditional cache size: 4, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 30, Maximal queried relation: 1, Independence queries for same thread: 30 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 440, Number of trivial persistent sets: 115, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1590, independent: 1567, independent conditional: 0, independent unconditional: 1567, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4413, independent: 4261, independent conditional: 2694, independent unconditional: 1567, dependent: 152, dependent conditional: 129, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4383, independent: 4261, independent conditional: 2694, independent unconditional: 1567, dependent: 122, dependent conditional: 99, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4383, independent: 4261, independent conditional: 2694, independent unconditional: 1567, dependent: 122, dependent conditional: 99, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4546, independent: 4261, independent conditional: 64, independent unconditional: 4197, dependent: 285, dependent conditional: 99, dependent unconditional: 186, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4546, independent: 4261, independent conditional: 64, independent unconditional: 4197, dependent: 285, dependent conditional: 69, dependent unconditional: 216, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4546, independent: 4261, independent conditional: 64, independent unconditional: 4197, dependent: 285, dependent conditional: 69, dependent unconditional: 216, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1598, independent: 1569, independent conditional: 2, independent unconditional: 1567, dependent: 29, dependent conditional: 4, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1598, independent: 1561, independent conditional: 0, independent unconditional: 1561, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 37, independent: 8, independent conditional: 2, independent unconditional: 6, dependent: 29, dependent conditional: 4, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, independent: 8, independent conditional: 2, independent unconditional: 6, dependent: 29, dependent conditional: 4, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 274, independent: 76, independent conditional: 23, independent unconditional: 53, dependent: 198, dependent conditional: 40, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4546, independent: 2692, independent conditional: 62, independent unconditional: 2630, dependent: 256, dependent conditional: 65, dependent unconditional: 191, unknown: 1598, unknown conditional: 6, unknown unconditional: 1592] , Statistics on independence cache: Total cache size (in pairs): 1598, Positive cache size: 1569, Positive conditional cache size: 2, Positive unconditional cache size: 1567, Negative cache size: 29, Negative conditional cache size: 4, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 30, Maximal queried relation: 1, Independence queries for same thread: 30 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11029, independent: 10632, independent conditional: 8774, independent unconditional: 1858, dependent: 397, dependent conditional: 361, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10876, independent: 10632, independent conditional: 8774, independent unconditional: 1858, dependent: 244, dependent conditional: 208, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10876, independent: 10632, independent conditional: 8774, independent unconditional: 1858, dependent: 244, dependent conditional: 208, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12044, independent: 10632, independent conditional: 369, independent unconditional: 10263, dependent: 1412, dependent conditional: 799, dependent unconditional: 613, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 12044, independent: 10632, independent conditional: 369, independent unconditional: 10263, dependent: 1412, dependent conditional: 131, dependent unconditional: 1281, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12044, independent: 10632, independent conditional: 369, independent unconditional: 10263, dependent: 1412, dependent conditional: 131, dependent unconditional: 1281, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1944, independent: 1881, independent conditional: 23, independent unconditional: 1858, dependent: 63, dependent conditional: 25, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1944, independent: 1850, independent conditional: 0, independent unconditional: 1850, dependent: 94, dependent conditional: 0, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 94, independent: 31, independent conditional: 23, independent unconditional: 8, dependent: 63, dependent conditional: 25, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 94, independent: 31, independent conditional: 23, independent unconditional: 8, dependent: 63, dependent conditional: 25, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 618, independent: 104, independent conditional: 71, independent unconditional: 33, dependent: 514, dependent conditional: 190, dependent unconditional: 324, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 12044, independent: 8751, independent conditional: 346, independent unconditional: 8405, dependent: 1349, dependent conditional: 106, dependent unconditional: 1243, unknown: 1944, unknown conditional: 48, unknown unconditional: 1896] , Statistics on independence cache: Total cache size (in pairs): 1944, Positive cache size: 1881, Positive conditional cache size: 23, Positive unconditional cache size: 1858, Negative cache size: 63, Negative conditional cache size: 25, Negative unconditional cache size: 38, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 668, Maximal queried relation: 6, Independence queries for same thread: 153 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.4s, Number of persistent set computation: 537, Number of trivial persistent sets: 173, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1894, independent: 1858, independent conditional: 0, independent unconditional: 1858, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11029, independent: 10632, independent conditional: 8774, independent unconditional: 1858, dependent: 397, dependent conditional: 361, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10876, independent: 10632, independent conditional: 8774, independent unconditional: 1858, dependent: 244, dependent conditional: 208, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 10876, independent: 10632, independent conditional: 8774, independent unconditional: 1858, dependent: 244, dependent conditional: 208, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12044, independent: 10632, independent conditional: 369, independent unconditional: 10263, dependent: 1412, dependent conditional: 799, dependent unconditional: 613, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 12044, independent: 10632, independent conditional: 369, independent unconditional: 10263, dependent: 1412, dependent conditional: 131, dependent unconditional: 1281, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12044, independent: 10632, independent conditional: 369, independent unconditional: 10263, dependent: 1412, dependent conditional: 131, dependent unconditional: 1281, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1944, independent: 1881, independent conditional: 23, independent unconditional: 1858, dependent: 63, dependent conditional: 25, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1944, independent: 1850, independent conditional: 0, independent unconditional: 1850, dependent: 94, dependent conditional: 0, dependent unconditional: 94, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 94, independent: 31, independent conditional: 23, independent unconditional: 8, dependent: 63, dependent conditional: 25, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 94, independent: 31, independent conditional: 23, independent unconditional: 8, dependent: 63, dependent conditional: 25, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 618, independent: 104, independent conditional: 71, independent unconditional: 33, dependent: 514, dependent conditional: 190, dependent unconditional: 324, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 12044, independent: 8751, independent conditional: 346, independent unconditional: 8405, dependent: 1349, dependent conditional: 106, dependent unconditional: 1243, unknown: 1944, unknown conditional: 48, unknown unconditional: 1896] , Statistics on independence cache: Total cache size (in pairs): 1944, Positive cache size: 1881, Positive conditional cache size: 23, Positive unconditional cache size: 1858, Negative cache size: 63, Negative conditional cache size: 25, Negative unconditional cache size: 38, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 668, Maximal queried relation: 6, Independence queries for same thread: 153 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L711] 0 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L713] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0] [L715] 0 int __unbuffered_p1_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0] [L717] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0] [L719] 0 int __unbuffered_p2_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0] [L721] 0 int a = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0] [L722] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0] [L723] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0] [L725] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L727] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L729] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0] [L730] 0 _Bool z$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z$flush_delayed=0, z=0] [L731] 0 int z$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z=0] [L732] 0 _Bool z$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z=0] [L733] 0 _Bool z$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z=0] [L734] 0 _Bool z$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z=0] [L735] 0 _Bool z$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z=0] [L736] 0 _Bool z$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z=0] [L737] 0 _Bool z$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z=0] [L738] 0 _Bool z$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z=0] [L739] 0 _Bool z$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z=0] [L740] 0 _Bool z$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z=0] [L741] 0 int *z$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z=0] [L742] 0 int z$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z=0] [L743] 0 _Bool z$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z=0] [L744] 0 int z$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z=0] [L745] 0 _Bool z$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L746] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L747] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L853] 0 pthread_t t260; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t260={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L854] FCALL, FORK 0 pthread_create(&t260, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t260={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L855] 0 pthread_t t261; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t260={5:0}, t261={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L856] FCALL, FORK 0 pthread_create(&t261, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t260={5:0}, t261={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L857] 0 pthread_t t262; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t260={5:0}, t261={6:0}, t262={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L858] FCALL, FORK 0 pthread_create(&t262, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t260={5:0}, t261={6:0}, t262={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L800] 3 z$w_buff1 = z$w_buff0 [L801] 3 z$w_buff0 = 1 [L802] 3 z$w_buff1_used = z$w_buff0_used [L803] 3 z$w_buff0_used = (_Bool)1 [L804] CALL 3 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L18] COND FALSE 3 !(!expression) [L804] RET 3 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L805] 3 z$r_buff1_thd0 = z$r_buff0_thd0 [L806] 3 z$r_buff1_thd1 = z$r_buff0_thd1 [L807] 3 z$r_buff1_thd2 = z$r_buff0_thd2 [L808] 3 z$r_buff1_thd3 = z$r_buff0_thd3 [L809] 3 z$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L812] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L813] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L814] 3 z$flush_delayed = weak$$choice2 [L815] 3 z$mem_tmp = z [L816] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L817] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L818] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L819] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L820] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L821] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L822] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L823] 3 __unbuffered_p2_EAX = z [L824] 3 z = z$flush_delayed ? z$mem_tmp : z [L825] 3 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice2=1, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L828] 3 __unbuffered_p2_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice2=1, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L751] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice2=1, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L754] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice2=1, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L759] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice2=1, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L766] 2 x = 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice2=1, x=1, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L769] 2 y = 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L772] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L775] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L776] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L777] 2 z$flush_delayed = weak$$choice2 [L778] 2 z$mem_tmp = z [L779] 2 z = !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1) [L780] 2 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0)) [L781] 2 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1)) [L782] 2 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used)) [L783] 2 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L784] 2 z$r_buff0_thd2 = weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2)) [L785] 2 z$r_buff1_thd2 = weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L786] 2 __unbuffered_p1_EBX = z [L787] 2 z = z$flush_delayed ? z$mem_tmp : z [L788] 2 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L831] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L832] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L833] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L834] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L835] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L838] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L793] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L860] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t260={5:0}, t261={6:0}, t262={3:0}, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L862] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L862] RET 0 assume_abort_if_not(main$tmp_guard0) [L864] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L865] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L866] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L867] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L868] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t260={5:0}, t261={6:0}, t262={3:0}, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L871] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t260={5:0}, t261={6:0}, t262={3:0}, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L873] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=0, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L18] 0 reach_error() VAL [\old(expression)=0, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] - UnprovableResult [Line: 858]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 856]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 854]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: P2Thread1of1ForFork2 with 1 thread instances CFG has 7 procedures, 148 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 118 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 148 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.9s, 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: 60, 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, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 757 NumberOfCodeBlocks, 757 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 658 ConstructedInterpolants, 0 QuantifiedInterpolants, 1497 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-11-17 17:09:26,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2023-11-17 17:09:26,694 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-11-17 17:09:26,894 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...