/usr/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/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix020.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-19 21:57:52,577 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-19 21:57:52,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-19 21:57:52,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-19 21:57:52,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-19 21:57:52,672 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-19 21:57:52,699 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-19 21:57:52,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-19 21:57:52,700 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-19 21:57:52,700 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-19 21:57:52,700 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-19 21:57:52,701 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-19 21:57:52,701 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-19 21:57:52,701 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-19 21:57:52,701 INFO L138 SettingsManager]: * Use SBE=true [2023-05-19 21:57:52,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-19 21:57:52,702 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-19 21:57:52,702 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-19 21:57:52,702 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-19 21:57:52,703 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-19 21:57:52,703 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-19 21:57:52,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-19 21:57:52,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-19 21:57:52,703 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-19 21:57:52,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-19 21:57:52,703 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-19 21:57:52,703 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-19 21:57:52,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-19 21:57:52,704 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-19 21:57:52,704 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-19 21:57:52,704 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-19 21:57:52,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 21:57:52,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-19 21:57:52,704 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-19 21:57:52,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-19 21:57:52,705 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-19 21:57:52,705 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-19 21:57:52,705 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-19 21:57:52,705 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-19 21:57:52,705 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-19 21:57:52,705 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-19 21:57:52,705 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-19 21:57:52,706 INFO L138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> true [2023-05-19 21:57:52,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-19 21:57:52,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-19 21:57:52,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-19 21:57:52,966 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-19 21:57:52,966 INFO L275 PluginConnector]: CDTParser initialized [2023-05-19 21:57:52,967 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix020.opt.i [2023-05-19 21:57:53,032 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cd565d5d/9b8e6dabba3547e9aa7a8472645adb2e/FLAG424d5a15e [2023-05-19 21:57:53,437 INFO L306 CDTParser]: Found 1 translation units. [2023-05-19 21:57:53,438 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix020.opt.i [2023-05-19 21:57:53,467 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cd565d5d/9b8e6dabba3547e9aa7a8472645adb2e/FLAG424d5a15e [2023-05-19 21:57:53,477 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cd565d5d/9b8e6dabba3547e9aa7a8472645adb2e [2023-05-19 21:57:53,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-19 21:57:53,483 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-19 21:57:53,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-19 21:57:53,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-19 21:57:53,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-19 21:57:53,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.05 09:57:53" (1/1) ... [2023-05-19 21:57:53,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b137cc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 09:57:53, skipping insertion in model container [2023-05-19 21:57:53,491 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.05 09:57:53" (1/1) ... [2023-05-19 21:57:53,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-19 21:57:53,542 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-19 21:57:53,688 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix020.opt.i[944,957] [2023-05-19 21:57:53,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-19 21:57:53,839 INFO L203 MainTranslator]: Completed pre-run [2023-05-19 21:57:53,852 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix020.opt.i[944,957] [2023-05-19 21:57:53,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-19 21:57:53,938 INFO L208 MainTranslator]: Completed translation [2023-05-19 21:57:53,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 09:57:53 WrapperNode [2023-05-19 21:57:53,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-19 21:57:53,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-19 21:57:53,940 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-19 21:57:53,941 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-19 21:57:53,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 09:57:53" (1/1) ... [2023-05-19 21:57:53,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 09:57:53" (1/1) ... [2023-05-19 21:57:53,987 INFO L138 Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 163 [2023-05-19 21:57:53,987 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-19 21:57:53,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-19 21:57:53,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-19 21:57:53,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-19 21:57:53,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 09:57:53" (1/1) ... [2023-05-19 21:57:53,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 09:57:53" (1/1) ... [2023-05-19 21:57:53,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 09:57:53" (1/1) ... [2023-05-19 21:57:53,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 09:57:53" (1/1) ... [2023-05-19 21:57:54,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 09:57:53" (1/1) ... [2023-05-19 21:57:54,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 09:57:53" (1/1) ... [2023-05-19 21:57:54,010 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 09:57:53" (1/1) ... [2023-05-19 21:57:54,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 09:57:53" (1/1) ... [2023-05-19 21:57:54,015 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-19 21:57:54,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-19 21:57:54,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-19 21:57:54,016 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-19 21:57:54,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 09:57:53" (1/1) ... [2023-05-19 21:57:54,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 21:57:54,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 21:57:54,058 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) [2023-05-19 21:57:54,076 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 [2023-05-19 21:57:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-19 21:57:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-19 21:57:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-19 21:57:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-19 21:57:54,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-19 21:57:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-05-19 21:57:54,094 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-05-19 21:57:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-05-19 21:57:54,094 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-05-19 21:57:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-05-19 21:57:54,094 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-05-19 21:57:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-05-19 21:57:54,095 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-05-19 21:57:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-19 21:57:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-19 21:57:54,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-19 21:57:54,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-19 21:57:54,096 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-19 21:57:54,212 INFO L235 CfgBuilder]: Building ICFG [2023-05-19 21:57:54,214 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-19 21:57:54,538 INFO L276 CfgBuilder]: Performing block encoding [2023-05-19 21:57:54,718 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-19 21:57:54,718 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-19 21:57:54,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 09:57:54 BoogieIcfgContainer [2023-05-19 21:57:54,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-19 21:57:54,723 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-19 21:57:54,723 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-19 21:57:54,729 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-19 21:57:54,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.05 09:57:53" (1/3) ... [2023-05-19 21:57:54,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ec9f69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.05 09:57:54, skipping insertion in model container [2023-05-19 21:57:54,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 09:57:53" (2/3) ... [2023-05-19 21:57:54,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ec9f69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.05 09:57:54, skipping insertion in model container [2023-05-19 21:57:54,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 09:57:54" (3/3) ... [2023-05-19 21:57:54,732 INFO L112 eAbstractionObserver]: Analyzing ICFG mix020.opt.i [2023-05-19 21:57:54,741 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-19 21:57:54,749 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-19 21:57:54,750 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-05-19 21:57:54,750 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-19 21:57:54,830 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-05-19 21:57:54,884 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 21:57:54,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-19 21:57:54,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 21:57:54,889 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) [2023-05-19 21:57:54,904 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 [2023-05-19 21:57:54,933 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-19 21:57:54,961 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-19 21:57:54,971 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6eea54b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 21:57:54,972 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-05-19 21:57:55,247 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 2 more)] === [2023-05-19 21:57:55,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 21:57:55,254 INFO L85 PathProgramCache]: Analyzing trace with hash 651435592, now seen corresponding path program 1 times [2023-05-19 21:57:55,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 21:57:55,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666264302] [2023-05-19 21:57:55,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 21:57:55,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 21:57:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 21:57:55,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 21:57:55,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 21:57:55,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666264302] [2023-05-19 21:57:55,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666264302] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 21:57:55,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 21:57:55,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-19 21:57:55,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956908707] [2023-05-19 21:57:55,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 21:57:55,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-19 21:57:55,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 21:57:55,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-19 21:57:55,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-19 21:57:55,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 21:57:55,582 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 21:57:55,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 43.5) internal successors, (87), 2 states have internal predecessors, (87), 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) [2023-05-19 21:57:55,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 21:57:55,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 21:57:55,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-19 21:57:55,643 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 2 more)] === [2023-05-19 21:57:55,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 21:57:55,645 INFO L85 PathProgramCache]: Analyzing trace with hash -281751011, now seen corresponding path program 1 times [2023-05-19 21:57:55,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 21:57:55,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733889706] [2023-05-19 21:57:55,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 21:57:55,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 21:57:55,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 21:57:56,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 21:57:56,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 21:57:56,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733889706] [2023-05-19 21:57:56,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733889706] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 21:57:56,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 21:57:56,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-19 21:57:56,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035297382] [2023-05-19 21:57:56,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 21:57:56,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-19 21:57:56,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 21:57:56,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-19 21:57:56,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-05-19 21:57:56,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 21:57:56,168 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 21:57:56,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 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) [2023-05-19 21:57:56,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 21:57:56,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 21:57:56,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 21:57:56,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 21:57:56,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-19 21:57:56,442 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 2 more)] === [2023-05-19 21:57:56,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 21:57:56,442 INFO L85 PathProgramCache]: Analyzing trace with hash -2094274019, now seen corresponding path program 1 times [2023-05-19 21:57:56,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 21:57:56,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007107878] [2023-05-19 21:57:56,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 21:57:56,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 21:57:56,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 21:57:56,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 21:57:56,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 21:57:56,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007107878] [2023-05-19 21:57:56,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007107878] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 21:57:56,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 21:57:56,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-19 21:57:56,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467856893] [2023-05-19 21:57:56,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 21:57:56,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-19 21:57:56,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 21:57:56,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-19 21:57:56,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-05-19 21:57:56,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 21:57:56,993 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 21:57:56,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 6 states have internal predecessors, (107), 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) [2023-05-19 21:57:56,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 21:57:56,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 21:57:56,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 21:57:57,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 21:57:57,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 21:57:57,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 21:57:57,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-19 21:57:57,151 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 2 more)] === [2023-05-19 21:57:57,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 21:57:57,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1769706909, now seen corresponding path program 2 times [2023-05-19 21:57:57,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 21:57:57,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253163868] [2023-05-19 21:57:57,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 21:57:57,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 21:57:57,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 21:57:57,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 21:57:57,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 21:57:57,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253163868] [2023-05-19 21:57:57,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253163868] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 21:57:57,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 21:57:57,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-05-19 21:57:57,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354667322] [2023-05-19 21:57:57,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 21:57:57,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-19 21:57:57,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 21:57:57,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-19 21:57:57,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-05-19 21:57:57,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 21:57:57,573 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 21:57:57,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.375) internal successors, (107), 8 states have internal predecessors, (107), 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) [2023-05-19 21:57:57,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 21:57:57,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 21:57:57,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 21:57:57,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 21:57:57,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 21:57:57,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 21:57:57,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 21:57:57,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-19 21:57:57,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-19 21:57:57,823 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 2 more)] === [2023-05-19 21:57:57,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 21:57:57,824 INFO L85 PathProgramCache]: Analyzing trace with hash -116697168, now seen corresponding path program 1 times [2023-05-19 21:57:57,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 21:57:57,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597843300] [2023-05-19 21:57:57,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 21:57:57,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 21:57:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 21:57:58,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 21:57:58,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 21:57:58,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597843300] [2023-05-19 21:57:58,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597843300] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 21:57:58,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 21:57:58,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-19 21:57:58,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783836589] [2023-05-19 21:57:58,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 21:57:58,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-19 21:57:58,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 21:57:58,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-19 21:57:58,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-05-19 21:57:58,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 21:57:58,205 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 21:57:58,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 7 states have internal predecessors, (110), 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) [2023-05-19 21:57:58,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 21:57:58,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 21:57:58,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 21:57:58,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-19 21:57:58,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 21:57:59,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 21:57:59,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 21:57:59,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 21:57:59,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-19 21:57:59,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 21:57:59,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-19 21:57:59,100 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 2 more)] === [2023-05-19 21:57:59,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 21:57:59,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1681650082, now seen corresponding path program 2 times [2023-05-19 21:57:59,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 21:57:59,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882464469] [2023-05-19 21:57:59,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 21:57:59,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 21:57:59,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 21:57:59,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 21:57:59,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 21:57:59,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882464469] [2023-05-19 21:57:59,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882464469] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 21:57:59,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 21:57:59,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-19 21:57:59,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929290631] [2023-05-19 21:57:59,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 21:57:59,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-19 21:57:59,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 21:57:59,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-19 21:57:59,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-05-19 21:57:59,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 21:57:59,429 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 21:57:59,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 7 states have internal predecessors, (110), 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) [2023-05-19 21:57:59,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 21:57:59,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 21:57:59,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 21:57:59,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-19 21:57:59,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 21:57:59,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 21:58:00,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 21:58:00,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-19 21:58:00,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 21:58:00,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-19 21:58:00,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 21:58:00,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 21:58:00,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-05-19 21:58:00,114 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 2 more)] === [2023-05-19 21:58:00,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 21:58:00,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1843883854, now seen corresponding path program 3 times [2023-05-19 21:58:00,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 21:58:00,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090276209] [2023-05-19 21:58:00,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 21:58:00,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 21:58:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 21:58:00,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 21:58:00,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 21:58:00,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090276209] [2023-05-19 21:58:00,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090276209] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 21:58:00,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 21:58:00,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-19 21:58:00,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463558529] [2023-05-19 21:58:00,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 21:58:00,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-19 21:58:00,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 21:58:00,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-19 21:58:00,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-05-19 21:58:00,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 21:58:00,381 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 21:58:00,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.714285714285714) internal successors, (110), 7 states have internal predecessors, (110), 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) [2023-05-19 21:58:00,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 21:58:00,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-19 21:58:00,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 21:58:00,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-19 21:58:00,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 21:58:00,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 21:58:00,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 21:58:01,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 21:58:01,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-19 21:58:01,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 21:58:01,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-19 21:58:01,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 21:58:01,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 21:58:01,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 21:58:01,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-05-19 21:58:01,157 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 2 more)] === [2023-05-19 21:58:01,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 21:58:01,158 INFO L85 PathProgramCache]: Analyzing trace with hash 2012264188, now seen corresponding path program 4 times [2023-05-19 21:58:01,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 21:58:01,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744506274] [2023-05-19 21:58:01,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 21:58:01,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 21:58:01,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-19 21:58:01,205 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-05-19 21:58:01,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-19 21:58:01,314 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-05-19 21:58:01,315 INFO L359 BasicCegarLoop]: Counterexample is feasible [2023-05-19 21:58:01,316 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2023-05-19 21:58:01,318 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2023-05-19 21:58:01,318 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-05-19 21:58:01,319 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2023-05-19 21:58:01,319 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2023-05-19 21:58:01,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-05-19 21:58:01,330 INFO L444 BasicCegarLoop]: Path program histogram: [4, 2, 1, 1] [2023-05-19 21:58:01,332 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (1/2) [2023-05-19 21:58:01,335 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-19 21:58:01,336 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-19 21:58:01,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.05 09:58:01 BasicIcfg [2023-05-19 21:58:01,503 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-19 21:58:01,503 INFO L158 Benchmark]: Toolchain (without parser) took 8020.80ms. Allocated memory was 323.0MB in the beginning and 512.8MB in the end (delta: 189.8MB). Free memory was 293.9MB in the beginning and 353.6MB in the end (delta: -59.7MB). Peak memory consumption was 130.0MB. Max. memory is 8.0GB. [2023-05-19 21:58:01,504 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 201.3MB. Free memory is still 158.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-19 21:58:01,504 INFO L158 Benchmark]: CACSL2BoogieTranslator took 454.26ms. Allocated memory is still 323.0MB. Free memory was 293.6MB in the beginning and 279.9MB in the end (delta: 13.8MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-05-19 21:58:01,504 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.94ms. Allocated memory is still 323.0MB. Free memory was 279.9MB in the beginning and 277.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-19 21:58:01,504 INFO L158 Benchmark]: Boogie Preprocessor took 27.34ms. Allocated memory is still 323.0MB. Free memory was 277.3MB in the beginning and 275.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-19 21:58:01,505 INFO L158 Benchmark]: RCFGBuilder took 705.09ms. Allocated memory is still 323.0MB. Free memory was 275.2MB in the beginning and 237.9MB in the end (delta: 37.3MB). Peak memory consumption was 36.7MB. Max. memory is 8.0GB. [2023-05-19 21:58:01,505 INFO L158 Benchmark]: TraceAbstraction took 6779.77ms. Allocated memory was 323.0MB in the beginning and 512.8MB in the end (delta: 189.8MB). Free memory was 236.8MB in the beginning and 353.6MB in the end (delta: -116.8MB). Peak memory consumption was 74.5MB. Max. memory is 8.0GB. [2023-05-19 21:58:01,506 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 201.3MB. Free memory is still 158.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 454.26ms. Allocated memory is still 323.0MB. Free memory was 293.6MB in the beginning and 279.9MB in the end (delta: 13.8MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.94ms. Allocated memory is still 323.0MB. Free memory was 279.9MB in the beginning and 277.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.34ms. Allocated memory is still 323.0MB. Free memory was 277.3MB in the beginning and 275.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 705.09ms. Allocated memory is still 323.0MB. Free memory was 275.2MB in the beginning and 237.9MB in the end (delta: 37.3MB). Peak memory consumption was 36.7MB. Max. memory is 8.0GB. * TraceAbstraction took 6779.77ms. Allocated memory was 323.0MB in the beginning and 512.8MB in the end (delta: 189.8MB). Free memory was 236.8MB in the beginning and 353.6MB in the end (delta: -116.8MB). Peak memory consumption was 74.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 103743, independent: 94631, independent conditional: 92163, independent unconditional: 2468, dependent: 9112, dependent conditional: 9071, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 96298, independent: 94631, independent conditional: 92163, independent unconditional: 2468, dependent: 1667, dependent conditional: 1626, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 96298, independent: 94631, independent conditional: 92163, independent unconditional: 2468, dependent: 1667, dependent conditional: 1626, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 113065, independent: 94631, independent conditional: 3617, independent unconditional: 91014, dependent: 18434, dependent conditional: 13150, dependent unconditional: 5284, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 113065, independent: 94631, independent conditional: 3617, independent unconditional: 91014, dependent: 18434, dependent conditional: 540, dependent unconditional: 17894, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 113065, independent: 94631, independent conditional: 3617, independent unconditional: 91014, dependent: 18434, dependent conditional: 540, dependent unconditional: 17894, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2530, independent: 2485, independent conditional: 17, independent unconditional: 2468, dependent: 45, dependent conditional: 3, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2530, independent: 2453, independent conditional: 0, independent unconditional: 2453, dependent: 77, dependent conditional: 0, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 77, independent: 32, independent conditional: 17, independent unconditional: 15, dependent: 45, dependent conditional: 3, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 77, independent: 32, independent conditional: 17, independent unconditional: 15, dependent: 45, dependent conditional: 3, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 376, independent: 92, independent conditional: 37, independent unconditional: 55, dependent: 284, dependent conditional: 13, dependent unconditional: 271, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 113065, independent: 92146, independent conditional: 3600, independent unconditional: 88546, dependent: 18389, dependent conditional: 537, dependent unconditional: 17852, unknown: 2530, unknown conditional: 20, unknown unconditional: 2510] , Statistics on independence cache: Total cache size (in pairs): 2530, Positive cache size: 2485, Positive conditional cache size: 17, Positive unconditional cache size: 2468, Negative cache size: 45, Negative conditional cache size: 3, Negative unconditional cache size: 42, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12610, Maximal queried relation: 6, Independence queries for same thread: 7445 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.6s, Number of persistent set computation: 2793, Number of trivial persistent sets: 1979, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2509, independent: 2468, independent conditional: 0, independent unconditional: 2468, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 103743, independent: 94631, independent conditional: 92163, independent unconditional: 2468, dependent: 9112, dependent conditional: 9071, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 96298, independent: 94631, independent conditional: 92163, independent unconditional: 2468, dependent: 1667, dependent conditional: 1626, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 96298, independent: 94631, independent conditional: 92163, independent unconditional: 2468, dependent: 1667, dependent conditional: 1626, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 113065, independent: 94631, independent conditional: 3617, independent unconditional: 91014, dependent: 18434, dependent conditional: 13150, dependent unconditional: 5284, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 113065, independent: 94631, independent conditional: 3617, independent unconditional: 91014, dependent: 18434, dependent conditional: 540, dependent unconditional: 17894, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 113065, independent: 94631, independent conditional: 3617, independent unconditional: 91014, dependent: 18434, dependent conditional: 540, dependent unconditional: 17894, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2530, independent: 2485, independent conditional: 17, independent unconditional: 2468, dependent: 45, dependent conditional: 3, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2530, independent: 2453, independent conditional: 0, independent unconditional: 2453, dependent: 77, dependent conditional: 0, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 77, independent: 32, independent conditional: 17, independent unconditional: 15, dependent: 45, dependent conditional: 3, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 77, independent: 32, independent conditional: 17, independent unconditional: 15, dependent: 45, dependent conditional: 3, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 376, independent: 92, independent conditional: 37, independent unconditional: 55, dependent: 284, dependent conditional: 13, dependent unconditional: 271, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 113065, independent: 92146, independent conditional: 3600, independent unconditional: 88546, dependent: 18389, dependent conditional: 537, dependent unconditional: 17852, unknown: 2530, unknown conditional: 20, unknown unconditional: 2510] , Statistics on independence cache: Total cache size (in pairs): 2530, Positive cache size: 2485, Positive conditional cache size: 17, Positive unconditional cache size: 2468, Negative cache size: 45, Negative conditional cache size: 3, Negative unconditional cache size: 42, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12610, Maximal queried relation: 6, Independence queries for same thread: 7445 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L740] 0 _Bool z$r_buff1_thd4; VAL [z$r_buff1_thd4=0] [L738] 0 _Bool z$r_buff1_thd2; VAL [z$r_buff1_thd2=0, z$r_buff1_thd4=0] [L739] 0 _Bool z$r_buff1_thd3; VAL [z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0] [L736] 0 _Bool z$r_buff1_thd0; VAL [z$r_buff1_thd0=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0] [L737] 0 _Bool z$r_buff1_thd1; VAL [z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0] [L747] 0 _Bool weak$$choice0; VAL [weak$$choice0=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0] [L745] 0 int z$w_buff1; VAL [weak$$choice0=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$w_buff1=0] [L748] 0 _Bool weak$$choice2; VAL [weak$$choice0=0, weak$$choice2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$w_buff1=0] [L712] 0 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_p0_EAX=0, weak$$choice0=0, weak$$choice2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$w_buff1=0] [L729] 0 _Bool z$flush_delayed; VAL [__unbuffered_p0_EAX=0, weak$$choice0=0, weak$$choice2=0, z$flush_delayed=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$w_buff1=0] [L743] 0 int z$w_buff0; VAL [__unbuffered_p0_EAX=0, weak$$choice0=0, weak$$choice2=0, z$flush_delayed=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$w_buff0=0, z$w_buff1=0] [L732] 0 _Bool z$r_buff0_thd1; VAL [__unbuffered_p0_EAX=0, weak$$choice0=0, weak$$choice2=0, z$flush_delayed=0, z$r_buff0_thd1=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$w_buff0=0, z$w_buff1=0] [L733] 0 _Bool z$r_buff0_thd2; VAL [__unbuffered_p0_EAX=0, weak$$choice0=0, weak$$choice2=0, z$flush_delayed=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$w_buff0=0, z$w_buff1=0] [L731] 0 _Bool z$r_buff0_thd0; VAL [__unbuffered_p0_EAX=0, weak$$choice0=0, weak$$choice2=0, z$flush_delayed=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$w_buff0=0, z$w_buff1=0] [L718] 0 int __unbuffered_p3_EBX = 0; VAL [__unbuffered_p0_EAX=0, __unbuffered_p3_EBX=0, weak$$choice0=0, weak$$choice2=0, z$flush_delayed=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$w_buff0=0, z$w_buff1=0] [L734] 0 _Bool z$r_buff0_thd3; VAL [__unbuffered_p0_EAX=0, __unbuffered_p3_EBX=0, weak$$choice0=0, weak$$choice2=0, z$flush_delayed=0, z$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$r_buff1_thd3=0, z$r_buff1_thd4=0, z$w_buff0=0, z$w_buff1=0] [L730] 0 int z$mem_tmp; VAL [__unbuffered_p0_EAX=0, __unbuffered_p3_EBX=0, weak$$choice0=0, weak$$choice2=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$r_buff1_thd4=0, z$w_buff0=0, z$w_buff1=0] [L735] 0 _Bool z$r_buff0_thd4; VAL [__unbuffered_p0_EAX=0, __unbuffered_p3_EBX=0, weak$$choice0=0, weak$$choice2=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$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$w_buff0=0, z$w_buff1=0] [L741] 0 _Bool z$read_delayed; VAL [__unbuffered_p0_EAX=0, __unbuffered_p3_EBX=0, weak$$choice0=0, weak$$choice2=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$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$w_buff0=0, z$w_buff1=0] [L720] 0 int a = 0; VAL [__unbuffered_p0_EAX=0, __unbuffered_p3_EBX=0, a=0, weak$$choice0=0, weak$$choice2=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$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$w_buff0=0, z$w_buff1=0] [L714] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EBX=0, a=0, weak$$choice0=0, weak$$choice2=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$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$w_buff0=0, z$w_buff1=0] [L742] 0 int *z$read_delayed_var; VAL [__unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EBX=0, a=0, weak$$choice0=0, weak$$choice2=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$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff1=0] [L746] 0 _Bool z$w_buff1_used; VAL [__unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EBX=0, a=0, weak$$choice0=0, weak$$choice2=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$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff1=0, z$w_buff1_used=0] [L710] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EBX=0, a=0, weak$$choice0=0, weak$$choice2=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$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff1=0, z$w_buff1_used=0] [L722] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=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$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff1=0, z$w_buff1_used=0] [L721] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=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$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff1=0, z$w_buff1_used=0] [L744] 0 _Bool z$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=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$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=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] [L716] 0 int __unbuffered_p3_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=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$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=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] [L724] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=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$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=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] [L726] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_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$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=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] [L728] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=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$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=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] [L864] 0 pthread_t t525; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t525={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=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$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=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] [L865] FCALL, FORK 0 pthread_create(&t525, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t525, ((void *)0), P0, ((void *)0))=-3, t525={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=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$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=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] [L866] 0 pthread_t t526; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t525={5:0}, t526={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=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$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=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] [L867] FCALL, FORK 0 pthread_create(&t526, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t526, ((void *)0), P1, ((void *)0))=-2, t525={5:0}, t526={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=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$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=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] [L868] 0 pthread_t t527; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t525={5:0}, t526={6:0}, t527={7:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=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$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=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] [L869] FCALL, FORK 0 pthread_create(&t527, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t527, ((void *)0), P2, ((void *)0))=-1, t525={5:0}, t526={6:0}, t527={7:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=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$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=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] [L870] 0 pthread_t t528; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t525={5:0}, t526={6:0}, t527={7:0}, t528={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=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$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=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] [L871] FCALL, FORK 0 pthread_create(&t528, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t528, ((void *)0), P3, ((void *)0))=0, t525={5:0}, t526={6:0}, t527={7:0}, t528={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=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$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=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] [L810] 4 z$w_buff1 = z$w_buff0 [L811] 4 z$w_buff0 = 1 [L812] 4 z$w_buff1_used = z$w_buff0_used [L813] 4 z$w_buff0_used = (_Bool)1 [L814] CALL 4 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L18] COND FALSE 4 !(!expression) [L814] RET 4 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L815] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L816] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L817] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L818] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L819] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L820] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=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$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=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] [L823] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L824] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L825] 4 z$flush_delayed = weak$$choice2 [L826] 4 z$mem_tmp = z [L827] 4 z = !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L828] 4 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L829] 4 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L830] 4 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L831] 4 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L832] 4 z$r_buff0_thd4 = weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L833] 4 z$r_buff1_thd4 = weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L834] 4 __unbuffered_p3_EAX = z [L835] 4 z = z$flush_delayed ? z$mem_tmp : z [L836] 4 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L839] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L752] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L755] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L760] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L762] 1 return 0; VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L767] 2 x = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L770] 2 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L775] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L777] 2 return 0; VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L782] 3 y = 2 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L785] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L786] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L787] 3 z$flush_delayed = weak$$choice2 [L788] 3 z$mem_tmp = z [L789] 3 z = !z$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) [L790] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L791] 3 z$w_buff1 = weak$$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$w_buff1)) [L792] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L793] 3 z$w_buff1_used = weak$$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$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L794] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L795] 3 z$r_buff1_thd3 = weak$$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$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L796] 3 __unbuffered_p2_EAX = z [L797] 3 z = z$flush_delayed ? z$mem_tmp : z [L798] 3 z$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_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$$choice0=50, weak$$choice2=0, x=1, y=2, z=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$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=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] [L803] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_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$$choice0=50, weak$$choice2=0, x=1, y=2, z=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$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=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] [L805] 3 return 0; VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_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$$choice0=50, weak$$choice2=0, x=1, y=2, z=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$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=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] [L842] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L843] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L844] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L845] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L846] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, 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$$choice0=50, weak$$choice2=0, x=1, y=2, z=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=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=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] [L849] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, 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$$choice0=50, weak$$choice2=0, x=1, y=2, z=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=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=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] [L873] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t525={5:0}, t526={6:0}, t527={7:0}, t528={3:0}, weak$$choice0=50, weak$$choice2=0, x=1, y=2, z=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=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=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] [L875] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, \result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=1, y=2, z=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=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=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] [L875] RET 0 assume_abort_if_not(main$tmp_guard0) [L877] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L878] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L879] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L880] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L881] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t525={5:0}, t526={6:0}, t527={7:0}, t528={3:0}, weak$$choice0=50, weak$$choice2=0, x=1, y=2, z=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=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=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] [L884] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t525={5:0}, t526={6:0}, t527={7:0}, t528={3:0}, weak$$choice0=50, weak$$choice2=0, x=1, y=2, z=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=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=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] [L886] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=0, \old(expression)=1, \result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=1, y=2, z=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=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=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] [L18] 0 reach_error() VAL [\old(expression)=0, \old(expression)=1, \result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=1, y=2, z=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=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=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] - UnprovableResult [Line: 871]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 865]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 869]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 867]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 169 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 6.4s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 3.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 50, 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, 0.5s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 827 NumberOfCodeBlocks, 827 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 710 ConstructedInterpolants, 0 QuantifiedInterpolants, 2366 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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! [2023-05-19 21:58:01,548 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 [2023-05-19 21:58:01,756 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...