/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 false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe021_power.opt_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 17:01:43,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 17:01:43,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 17:01:43,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-04 17:01:43,379 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 17:01:43,380 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 17:01:43,380 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 17:01:43,382 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 17:01:43,412 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 17:01:43,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 17:01:43,413 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 17:01:43,413 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 17:01:43,414 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 17:01:43,414 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 17:01:43,414 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 17:01:43,414 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 17:01:43,414 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 17:01:43,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 17:01:43,415 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 17:01:43,415 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 17:01:43,415 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 17:01:43,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 17:01:43,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 17:01:43,415 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 17:01:43,415 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 17:01:43,415 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 17:01:43,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 17:01:43,416 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 17:01:43,416 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 17:01:43,416 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 17:01:43,416 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 17:01:43,416 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 17:01:43,416 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 17:01:43,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 17:01:43,417 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 17:01:43,417 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 17:01:43,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 17:01:43,417 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 17:01:43,417 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 17:01:43,417 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 17:01:43,417 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 17:01:43,417 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 17:01:43,418 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 17:01:43,418 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 17:01:43,418 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-04 17:01:43,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 17:01:43,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 17:01:43,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 17:01:43,679 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 17:01:43,680 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 17:01:43,681 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe021_power.opt_pso.opt.i [2023-05-04 17:01:43,740 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9273364eb/696ce9b6e2c545e9a191caa599aef195/FLAGeb9521f8c [2023-05-04 17:01:44,218 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 17:01:44,218 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe021_power.opt_pso.opt.i [2023-05-04 17:01:44,236 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9273364eb/696ce9b6e2c545e9a191caa599aef195/FLAGeb9521f8c [2023-05-04 17:01:44,256 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9273364eb/696ce9b6e2c545e9a191caa599aef195 [2023-05-04 17:01:44,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 17:01:44,259 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 17:01:44,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 17:01:44,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 17:01:44,263 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 17:01:44,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 05:01:44" (1/1) ... [2023-05-04 17:01:44,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@148ead8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:01:44, skipping insertion in model container [2023-05-04 17:01:44,265 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 05:01:44" (1/1) ... [2023-05-04 17:01:44,270 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 17:01:44,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 17:01:44,459 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/safe021_power.opt_pso.opt.i[959,972] [2023-05-04 17:01:44,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 17:01:44,707 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 17:01:44,723 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/safe021_power.opt_pso.opt.i[959,972] [2023-05-04 17:01:44,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 17:01:44,806 INFO L208 MainTranslator]: Completed translation [2023-05-04 17:01:44,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:01:44 WrapperNode [2023-05-04 17:01:44,807 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 17:01:44,809 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 17:01:44,809 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 17:01:44,809 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 17:01:44,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:01:44" (1/1) ... [2023-05-04 17:01:44,848 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:01:44" (1/1) ... [2023-05-04 17:01:44,887 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 143 [2023-05-04 17:01:44,888 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 17:01:44,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 17:01:44,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 17:01:44,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 17:01:44,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:01:44" (1/1) ... [2023-05-04 17:01:44,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:01:44" (1/1) ... [2023-05-04 17:01:44,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:01:44" (1/1) ... [2023-05-04 17:01:44,910 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:01:44" (1/1) ... [2023-05-04 17:01:44,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:01:44" (1/1) ... [2023-05-04 17:01:44,932 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:01:44" (1/1) ... [2023-05-04 17:01:44,934 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:01:44" (1/1) ... [2023-05-04 17:01:44,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:01:44" (1/1) ... [2023-05-04 17:01:44,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 17:01:44,939 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 17:01:44,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 17:01:44,940 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 17:01:44,941 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:01:44" (1/1) ... [2023-05-04 17:01:44,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 17:01:44,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 17:01:44,974 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) [2023-05-04 17:01:44,981 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 [2023-05-04 17:01:45,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 17:01:45,008 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 17:01:45,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 17:01:45,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 17:01:45,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 17:01:45,008 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-05-04 17:01:45,009 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-05-04 17:01:45,009 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-05-04 17:01:45,009 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-05-04 17:01:45,009 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-05-04 17:01:45,009 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-05-04 17:01:45,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 17:01:45,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 17:01:45,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 17:01:45,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 17:01:45,011 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 17:01:45,130 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 17:01:45,132 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 17:01:45,439 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 17:01:45,561 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 17:01:45,561 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-04 17:01:45,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 05:01:45 BoogieIcfgContainer [2023-05-04 17:01:45,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 17:01:45,566 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 17:01:45,566 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 17:01:45,569 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 17:01:45,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 05:01:44" (1/3) ... [2023-05-04 17:01:45,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d493395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 05:01:45, skipping insertion in model container [2023-05-04 17:01:45,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:01:44" (2/3) ... [2023-05-04 17:01:45,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d493395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 05:01:45, skipping insertion in model container [2023-05-04 17:01:45,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 05:01:45" (3/3) ... [2023-05-04 17:01:45,572 INFO L112 eAbstractionObserver]: Analyzing ICFG safe021_power.opt_pso.opt.i [2023-05-04 17:01:45,579 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 17:01:45,588 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 17:01:45,588 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-05-04 17:01:45,588 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 17:01:45,633 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-05-04 17:01:45,674 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 17:01:45,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 17:01:45,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 17:01:45,681 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) [2023-05-04 17:01:45,682 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 [2023-05-04 17:01:45,755 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 17:01:45,780 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 17:01:45,790 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;@2ff938b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 17:01:45,790 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-04 17:01:46,307 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 17:01:46,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 17:01:46,316 INFO L85 PathProgramCache]: Analyzing trace with hash 917405034, now seen corresponding path program 1 times [2023-05-04 17:01:46,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 17:01:46,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356616017] [2023-05-04 17:01:46,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:01:46,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 17:01:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 17:01:46,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 17:01:46,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 17:01:46,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356616017] [2023-05-04 17:01:46,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356616017] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 17:01:46,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 17:01:46,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 17:01:46,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684479391] [2023-05-04 17:01:46,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 17:01:46,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 17:01:46,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 17:01:46,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 17:01:46,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 17:01:46,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:01:46,689 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 17:01:46,691 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) [2023-05-04 17:01:46,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:01:46,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:01:46,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 17:01:46,762 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 17:01:46,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 17:01:46,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1215426014, now seen corresponding path program 1 times [2023-05-04 17:01:46,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 17:01:46,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310066912] [2023-05-04 17:01:46,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:01:46,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 17:01:46,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 17:01:47,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 17:01:47,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 17:01:47,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310066912] [2023-05-04 17:01:47,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310066912] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 17:01:47,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 17:01:47,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-04 17:01:47,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060424145] [2023-05-04 17:01:47,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 17:01:47,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-04 17:01:47,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 17:01:47,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-04 17:01:47,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-04 17:01:47,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:01:47,341 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 17:01:47,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 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) [2023-05-04 17:01:47,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:01:47,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:01:47,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:01:47,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:01:47,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 17:01:47,585 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 17:01:47,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 17:01:47,587 INFO L85 PathProgramCache]: Analyzing trace with hash 880665557, now seen corresponding path program 1 times [2023-05-04 17:01:47,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 17:01:47,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63985529] [2023-05-04 17:01:47,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:01:47,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 17:01:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 17:01:48,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 17:01:48,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 17:01:48,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63985529] [2023-05-04 17:01:48,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63985529] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 17:01:48,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 17:01:48,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-04 17:01:48,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723777632] [2023-05-04 17:01:48,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 17:01:48,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-04 17:01:48,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 17:01:48,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-04 17:01:48,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-05-04 17:01:48,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:01:48,065 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 17:01:48,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 7 states have internal predecessors, (89), 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) [2023-05-04 17:01:48,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:01:48,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:01:48,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:01:49,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:01:49,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:01:49,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 17:01:49,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 17:01:49,643 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 17:01:49,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 17:01:49,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1658541629, now seen corresponding path program 1 times [2023-05-04 17:01:49,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 17:01:49,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875371289] [2023-05-04 17:01:49,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:01:49,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 17:01:49,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 17:01:49,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 17:01:49,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 17:01:49,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875371289] [2023-05-04 17:01:49,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875371289] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 17:01:49,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 17:01:49,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-04 17:01:49,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450509771] [2023-05-04 17:01:49,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 17:01:49,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-04 17:01:49,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 17:01:49,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-04 17:01:49,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-05-04 17:01:49,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:01:49,930 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 17:01:49,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 17:01:49,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:01:49,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:01:49,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 17:01:49,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:01:50,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:01:50,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:01:50,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 17:01:50,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 17:01:50,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-04 17:01:50,660 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 17:01:50,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 17:01:50,661 INFO L85 PathProgramCache]: Analyzing trace with hash 698211216, now seen corresponding path program 1 times [2023-05-04 17:01:50,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 17:01:50,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472964891] [2023-05-04 17:01:50,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:01:50,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 17:01:50,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 17:01:50,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 17:01:50,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 17:01:50,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472964891] [2023-05-04 17:01:50,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472964891] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 17:01:50,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 17:01:50,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 17:01:50,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348669363] [2023-05-04 17:01:50,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 17:01:50,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 17:01:50,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 17:01:50,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 17:01:50,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-05-04 17:01:50,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:01:50,970 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 17:01:50,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 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) [2023-05-04 17:01:50,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:01:50,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:01:50,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 17:01:50,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 17:01:50,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:01:51,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:01:51,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:01:51,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 17:01:51,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 17:01:51,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 17:01:51,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-04 17:01:51,343 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 17:01:51,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 17:01:51,344 INFO L85 PathProgramCache]: Analyzing trace with hash -71427526, now seen corresponding path program 1 times [2023-05-04 17:01:51,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 17:01:51,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051076774] [2023-05-04 17:01:51,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:01:51,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 17:01:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 17:01:51,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 17:01:51,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 17:01:51,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051076774] [2023-05-04 17:01:51,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051076774] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 17:01:51,649 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 17:01:51,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-05-04 17:01:51,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994240347] [2023-05-04 17:01:51,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 17:01:51,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-04 17:01:51,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 17:01:51,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-04 17:01:51,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-05-04 17:01:51,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:01:51,651 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 17:01:51,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 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) [2023-05-04 17:01:51,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:01:51,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:01:51,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 17:01:51,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 17:01:51,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 17:01:51,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:01:52,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:01:52,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:01:52,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 17:01:52,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 17:01:52,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 17:01:52,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 17:01:52,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-05-04 17:01:52,184 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 17:01:52,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 17:01:52,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1778202374, now seen corresponding path program 1 times [2023-05-04 17:01:52,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 17:01:52,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372569084] [2023-05-04 17:01:52,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:01:52,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 17:01:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 17:01:53,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 17:01:53,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 17:01:53,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372569084] [2023-05-04 17:01:53,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372569084] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 17:01:53,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 17:01:53,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-05-04 17:01:53,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309206465] [2023-05-04 17:01:53,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 17:01:53,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-05-04 17:01:53,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 17:01:53,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-05-04 17:01:53,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-05-04 17:01:53,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:01:53,632 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 17:01:53,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 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) [2023-05-04 17:01:53,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:01:53,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:01:53,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 17:01:53,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 17:01:53,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 17:01:53,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 17:01:53,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:01:54,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:01:54,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:01:54,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 17:01:54,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 17:01:54,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 17:01:54,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 17:01:54,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 17:01:54,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-05-04 17:01:54,253 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 17:01:54,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 17:01:54,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1180643970, now seen corresponding path program 2 times [2023-05-04 17:01:54,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 17:01:54,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567714835] [2023-05-04 17:01:54,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:01:54,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 17:01:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 17:01:56,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 17:01:56,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 17:01:56,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567714835] [2023-05-04 17:01:56,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567714835] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 17:01:56,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 17:01:56,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-05-04 17:01:56,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077725371] [2023-05-04 17:01:56,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 17:01:56,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-05-04 17:01:56,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 17:01:56,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-05-04 17:01:56,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2023-05-04 17:01:56,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:01:56,433 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 17:01:56,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.9375) internal successors, (95), 16 states have internal predecessors, (95), 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) [2023-05-04 17:01:56,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:01:56,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:01:56,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 17:01:56,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 17:01:56,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 17:01:56,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-04 17:01:56,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 17:01:56,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:01:57,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 17:01:57,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-04 17:01:57,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 17:01:57,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 17:01:57,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 17:01:57,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 17:01:57,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 17:01:57,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-04 17:01:57,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-05-04 17:01:57,143 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 17:01:57,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 17:01:57,143 INFO L85 PathProgramCache]: Analyzing trace with hash 387725668, now seen corresponding path program 3 times [2023-05-04 17:01:57,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 17:01:57,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959744251] [2023-05-04 17:01:57,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 17:01:57,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 17:01:57,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-04 17:01:57,193 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-05-04 17:01:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-04 17:01:57,277 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-05-04 17:01:57,277 INFO L359 BasicCegarLoop]: Counterexample is feasible [2023-05-04 17:01:57,278 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-05-04 17:01:57,280 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-04 17:01:57,280 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-04 17:01:57,280 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-04 17:01:57,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-05-04 17:01:57,295 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1] [2023-05-04 17:01:57,297 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN (1/2) [2023-05-04 17:01:57,301 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 17:01:57,301 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 17:01:57,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 05:01:57 BasicIcfg [2023-05-04 17:01:57,436 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 17:01:57,437 INFO L158 Benchmark]: Toolchain (without parser) took 13177.38ms. Allocated memory was 183.5MB in the beginning and 531.6MB in the end (delta: 348.1MB). Free memory was 146.7MB in the beginning and 251.8MB in the end (delta: -105.2MB). Peak memory consumption was 242.9MB. Max. memory is 8.0GB. [2023-05-04 17:01:57,437 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 183.5MB. Free memory is still 136.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 17:01:57,438 INFO L158 Benchmark]: CACSL2BoogieTranslator took 546.61ms. Allocated memory was 183.5MB in the beginning and 261.1MB in the end (delta: 77.6MB). Free memory was 146.4MB in the beginning and 216.5MB in the end (delta: -70.1MB). Peak memory consumption was 9.6MB. Max. memory is 8.0GB. [2023-05-04 17:01:57,438 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.65ms. Allocated memory is still 261.1MB. Free memory was 216.5MB in the beginning and 214.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 17:01:57,438 INFO L158 Benchmark]: Boogie Preprocessor took 50.51ms. Allocated memory is still 261.1MB. Free memory was 214.1MB in the beginning and 212.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 17:01:57,438 INFO L158 Benchmark]: RCFGBuilder took 623.74ms. Allocated memory is still 261.1MB. Free memory was 212.0MB in the beginning and 176.3MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. [2023-05-04 17:01:57,439 INFO L158 Benchmark]: TraceAbstraction took 11870.76ms. Allocated memory was 261.1MB in the beginning and 531.6MB in the end (delta: 270.5MB). Free memory was 175.3MB in the beginning and 251.8MB in the end (delta: -76.5MB). Peak memory consumption was 195.6MB. Max. memory is 8.0GB. [2023-05-04 17:01:57,440 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 183.5MB. Free memory is still 136.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 546.61ms. Allocated memory was 183.5MB in the beginning and 261.1MB in the end (delta: 77.6MB). Free memory was 146.4MB in the beginning and 216.5MB in the end (delta: -70.1MB). Peak memory consumption was 9.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 78.65ms. Allocated memory is still 261.1MB. Free memory was 216.5MB in the beginning and 214.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 50.51ms. Allocated memory is still 261.1MB. Free memory was 214.1MB in the beginning and 212.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 623.74ms. Allocated memory is still 261.1MB. Free memory was 212.0MB in the beginning and 176.3MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. * TraceAbstraction took 11870.76ms. Allocated memory was 261.1MB in the beginning and 531.6MB in the end (delta: 270.5MB). Free memory was 175.3MB in the beginning and 251.8MB in the end (delta: -76.5MB). Peak memory consumption was 195.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 126159, independent: 113424, independent conditional: 111682, independent unconditional: 1742, dependent: 12735, dependent conditional: 12689, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 117514, independent: 113424, independent conditional: 111682, independent unconditional: 1742, dependent: 4090, dependent conditional: 4044, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 117514, independent: 113424, independent conditional: 111682, independent unconditional: 1742, dependent: 4090, dependent conditional: 4044, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 130736, independent: 113424, independent conditional: 2059, independent unconditional: 111365, dependent: 17312, dependent conditional: 11163, dependent unconditional: 6149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 130736, independent: 113424, independent conditional: 2059, independent unconditional: 111365, dependent: 17312, dependent conditional: 2800, dependent unconditional: 14512, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 130736, independent: 113424, independent conditional: 2059, independent unconditional: 111365, dependent: 17312, dependent conditional: 2800, dependent unconditional: 14512, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1881, independent: 1782, independent conditional: 40, independent unconditional: 1742, dependent: 99, dependent conditional: 50, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1881, independent: 1734, independent conditional: 0, independent unconditional: 1734, dependent: 147, dependent conditional: 0, dependent unconditional: 147, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 147, independent: 48, independent conditional: 40, independent unconditional: 8, dependent: 99, dependent conditional: 50, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 147, independent: 48, independent conditional: 40, independent unconditional: 8, dependent: 99, dependent conditional: 50, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1313, independent: 316, independent conditional: 254, independent unconditional: 61, dependent: 997, dependent conditional: 499, dependent unconditional: 499, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 130736, independent: 111642, independent conditional: 2019, independent unconditional: 109623, dependent: 17213, dependent conditional: 2750, dependent unconditional: 14463, unknown: 1881, unknown conditional: 90, unknown unconditional: 1791] , Statistics on independence cache: Total cache size (in pairs): 1881, Positive cache size: 1782, Positive conditional cache size: 40, Positive unconditional cache size: 1742, Negative cache size: 99, Negative conditional cache size: 50, Negative unconditional cache size: 49, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 8363, Maximal queried relation: 7, Independence queries for same thread: 8645 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 1.0s, Number of persistent set computation: 6300, Number of trivial persistent sets: 3387, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1788, independent: 1742, independent conditional: 0, independent unconditional: 1742, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 126159, independent: 113424, independent conditional: 111682, independent unconditional: 1742, dependent: 12735, dependent conditional: 12689, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 117514, independent: 113424, independent conditional: 111682, independent unconditional: 1742, dependent: 4090, dependent conditional: 4044, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 117514, independent: 113424, independent conditional: 111682, independent unconditional: 1742, dependent: 4090, dependent conditional: 4044, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 130736, independent: 113424, independent conditional: 2059, independent unconditional: 111365, dependent: 17312, dependent conditional: 11163, dependent unconditional: 6149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 130736, independent: 113424, independent conditional: 2059, independent unconditional: 111365, dependent: 17312, dependent conditional: 2800, dependent unconditional: 14512, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 130736, independent: 113424, independent conditional: 2059, independent unconditional: 111365, dependent: 17312, dependent conditional: 2800, dependent unconditional: 14512, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1881, independent: 1782, independent conditional: 40, independent unconditional: 1742, dependent: 99, dependent conditional: 50, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1881, independent: 1734, independent conditional: 0, independent unconditional: 1734, dependent: 147, dependent conditional: 0, dependent unconditional: 147, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 147, independent: 48, independent conditional: 40, independent unconditional: 8, dependent: 99, dependent conditional: 50, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 147, independent: 48, independent conditional: 40, independent unconditional: 8, dependent: 99, dependent conditional: 50, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1313, independent: 316, independent conditional: 254, independent unconditional: 61, dependent: 997, dependent conditional: 499, dependent unconditional: 499, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 130736, independent: 111642, independent conditional: 2019, independent unconditional: 109623, dependent: 17213, dependent conditional: 2750, dependent unconditional: 14463, unknown: 1881, unknown conditional: 90, unknown unconditional: 1791] , Statistics on independence cache: Total cache size (in pairs): 1881, Positive cache size: 1782, Positive conditional cache size: 40, Positive unconditional cache size: 1742, Negative cache size: 99, Negative conditional cache size: 50, Negative unconditional cache size: 49, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 8363, Maximal queried relation: 7, Independence queries for same thread: 8645 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L713] 0 int __unbuffered_p2_EBX = 0; VAL [__unbuffered_p2_EBX=0] [L718] 0 _Bool x$flush_delayed; VAL [__unbuffered_p2_EBX=0, x$flush_delayed=0] [L729] 0 int *x$read_delayed_var; VAL [__unbuffered_p2_EBX=0, x$flush_delayed=0, x$read_delayed_var={0:0}] [L738] 0 _Bool weak$$choice0; VAL [__unbuffered_p2_EBX=0, weak$$choice0=0, x$flush_delayed=0, x$read_delayed_var={0:0}] [L739] 0 _Bool weak$$choice2; VAL [__unbuffered_p2_EBX=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$read_delayed_var={0:0}] [L719] 0 int x$mem_tmp; VAL [__unbuffered_p2_EBX=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$read_delayed_var={0:0}] [L723] 0 _Bool x$r_buff0_thd3; VAL [__unbuffered_p2_EBX=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd3=0, x$read_delayed_var={0:0}] [L721] 0 _Bool x$r_buff0_thd1; VAL [__unbuffered_p2_EBX=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd1=0, x$r_buff0_thd3=0, x$read_delayed_var={0:0}] [L722] 0 _Bool x$r_buff0_thd2; VAL [__unbuffered_p2_EBX=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$read_delayed_var={0:0}] [L720] 0 _Bool x$r_buff0_thd0; VAL [__unbuffered_p2_EBX=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$read_delayed_var={0:0}] [L711] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$read_delayed_var={0:0}] [L728] 0 _Bool x$read_delayed; VAL [__unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}] [L709] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}] [L715] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}] [L733] 0 _Bool x$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff1_used=0] [L714] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff1_used=0] [L731] 0 _Bool x$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0_used=0, x$w_buff1_used=0] [L730] 0 int x$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1_used=0] [L732] 0 int x$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0] [L717] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0] [L725] 0 _Bool x$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd1=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0] [L724] 0 _Bool x$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0] [L735] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L737] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L727] 0 _Bool x$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L726] 0 _Bool x$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L820] 0 pthread_t t2284; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2284={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L821] FCALL, FORK 0 pthread_create(&t2284, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2284, ((void *)0), P0, ((void *)0))=-2, t2284={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L822] 0 pthread_t t2285; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2284={5:0}, t2285={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L823] FCALL, FORK 0 pthread_create(&t2285, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2285, ((void *)0), P1, ((void *)0))=-1, t2284={5:0}, t2285={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L763] 2 x$w_buff1 = x$w_buff0 [L764] 2 x$w_buff0 = 2 [L765] 2 x$w_buff1_used = x$w_buff0_used [L766] 2 x$w_buff0_used = (_Bool)1 [L767] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L18] COND FALSE 2 !(!expression) [L767] RET 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L768] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L769] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L770] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L771] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L772] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L824] 0 pthread_t t2286; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2284={5:0}, t2285={6:0}, t2286={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L825] FCALL, FORK 0 pthread_create(&t2286, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2286, ((void *)0), P2, ((void *)0))=0, t2284={5:0}, t2285={6:0}, t2286={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L775] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L792] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L795] 3 __unbuffered_p2_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L743] 1 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L798] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L799] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L800] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L801] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L802] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L746] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L778] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L779] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L780] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L781] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L782] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L805] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L749] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L750] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L751] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L752] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L753] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 VAL [__unbuffered_cnt=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L785] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L807] 3 return 0; VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L756] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L787] 2 return 0; VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L827] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2284={5:0}, t2285={6:0}, t2286={3:0}, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L758] 1 return 0; VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L829] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L829] RET 0 assume_abort_if_not(main$tmp_guard0) [L831] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L832] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L833] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L834] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L835] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2284={5:0}, t2285={6:0}, t2286={3:0}, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L838] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L839] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L840] 0 x$flush_delayed = weak$$choice2 [L841] 0 x$mem_tmp = x [L842] 0 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L843] 0 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L844] 0 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L845] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L846] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L847] 0 x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L848] 0 x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L849] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L850] 0 x = x$flush_delayed ? x$mem_tmp : x [L851] 0 x$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2284={5:0}, t2285={6:0}, t2286={3:0}, weak$$choice0=49, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L853] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=0, \old(expression)=1, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L18] 0 reach_error() VAL [\old(expression)=0, \old(expression)=1, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=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$$choice0=49, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] - UnprovableResult [Line: 823]: 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: 821]: 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: 825]: 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 7 procedures, 142 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 11.6s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 5.4s, 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: 68, 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, 5.1s InterpolantComputationTime, 813 NumberOfCodeBlocks, 813 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 710 ConstructedInterpolants, 0 QuantifiedInterpolants, 3656 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-05-04 17:01:57,481 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 [2023-05-04 17:01:57,700 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...