/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 -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix053_power.oepc_pso.oepc_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7707f89-m [2022-11-15 22:34:35,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-15 22:34:35,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-15 22:34:35,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-15 22:34:35,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-15 22:34:35,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-15 22:34:35,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-15 22:34:35,448 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-15 22:34:35,449 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-15 22:34:35,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-15 22:34:35,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-15 22:34:35,454 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-15 22:34:35,454 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-15 22:34:35,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-15 22:34:35,456 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-15 22:34:35,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-15 22:34:35,457 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-15 22:34:35,458 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-15 22:34:35,459 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-15 22:34:35,460 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-15 22:34:35,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-15 22:34:35,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-15 22:34:35,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-15 22:34:35,462 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-15 22:34:35,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-11-15 22:34:35,469 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-15 22:34:35,470 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-15 22:34:35,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-15 22:34:35,471 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-15 22:34:35,485 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-15 22:34:35,485 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-15 22:34:35,485 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-15 22:34:35,486 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-15 22:34:35,486 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-15 22:34:35,486 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-15 22:34:35,487 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-15 22:34:35,487 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-15 22:34:35,487 INFO L138 SettingsManager]: * Use SBE=true [2022-11-15 22:34:35,487 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-15 22:34:35,487 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-15 22:34:35,487 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-15 22:34:35,487 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-15 22:34:35,488 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-15 22:34:35,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-15 22:34:35,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-15 22:34:35,488 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-15 22:34:35,488 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-15 22:34:35,488 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-15 22:34:35,488 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-15 22:34:35,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-15 22:34:35,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-15 22:34:35,489 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-15 22:34:35,489 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-15 22:34:35,489 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-15 22:34:35,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 22:34:35,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-15 22:34:35,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-15 22:34:35,489 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-15 22:34:35,490 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-15 22:34:35,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-15 22:34:35,490 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-15 22:34:35,490 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-15 22:34:35,490 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-15 22:34:35,490 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-15 22:34:35,490 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-15 22:34:35,490 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-11-15 22:34:35,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-15 22:34:35,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-15 22:34:35,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-15 22:34:35,674 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-15 22:34:35,677 INFO L275 PluginConnector]: CDTParser initialized [2022-11-15 22:34:35,678 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix053_power.oepc_pso.oepc_rmo.oepc.i [2022-11-15 22:34:35,745 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47f654b53/927b666db1da4ffea71d944e7d33a125/FLAGa20c4f949 [2022-11-15 22:34:36,134 INFO L306 CDTParser]: Found 1 translation units. [2022-11-15 22:34:36,147 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix053_power.oepc_pso.oepc_rmo.oepc.i [2022-11-15 22:34:36,171 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47f654b53/927b666db1da4ffea71d944e7d33a125/FLAGa20c4f949 [2022-11-15 22:34:36,519 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47f654b53/927b666db1da4ffea71d944e7d33a125 [2022-11-15 22:34:36,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-15 22:34:36,522 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-15 22:34:36,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-15 22:34:36,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-15 22:34:36,524 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-15 22:34:36,525 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:34:36" (1/1) ... [2022-11-15 22:34:36,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b26df39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:34:36, skipping insertion in model container [2022-11-15 22:34:36,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:34:36" (1/1) ... [2022-11-15 22:34:36,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-15 22:34:36,561 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-15 22:34:36,733 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix053_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-11-15 22:34:36,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 22:34:36,941 INFO L203 MainTranslator]: Completed pre-run [2022-11-15 22:34:36,953 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix053_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2022-11-15 22:34:37,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 22:34:37,038 INFO L208 MainTranslator]: Completed translation [2022-11-15 22:34:37,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:34:37 WrapperNode [2022-11-15 22:34:37,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-15 22:34:37,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-15 22:34:37,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-15 22:34:37,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-15 22:34:37,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:34:37" (1/1) ... [2022-11-15 22:34:37,068 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:34:37" (1/1) ... [2022-11-15 22:34:37,088 INFO L138 Inliner]: procedures = 177, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 143 [2022-11-15 22:34:37,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-15 22:34:37,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-15 22:34:37,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-15 22:34:37,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-15 22:34:37,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:34:37" (1/1) ... [2022-11-15 22:34:37,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:34:37" (1/1) ... [2022-11-15 22:34:37,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:34:37" (1/1) ... [2022-11-15 22:34:37,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:34:37" (1/1) ... [2022-11-15 22:34:37,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:34:37" (1/1) ... [2022-11-15 22:34:37,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:34:37" (1/1) ... [2022-11-15 22:34:37,107 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:34:37" (1/1) ... [2022-11-15 22:34:37,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:34:37" (1/1) ... [2022-11-15 22:34:37,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-15 22:34:37,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-15 22:34:37,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-15 22:34:37,111 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-15 22:34:37,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:34:37" (1/1) ... [2022-11-15 22:34:37,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 22:34:37,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 22:34:37,158 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) [2022-11-15 22:34:37,160 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 [2022-11-15 22:34:37,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-15 22:34:37,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-15 22:34:37,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-15 22:34:37,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-15 22:34:37,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-15 22:34:37,185 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-15 22:34:37,185 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-15 22:34:37,185 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-15 22:34:37,185 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-15 22:34:37,185 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-15 22:34:37,185 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-15 22:34:37,186 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-11-15 22:34:37,186 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-11-15 22:34:37,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-15 22:34:37,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-15 22:34:37,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-15 22:34:37,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-15 22:34:37,187 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-15 22:34:37,365 INFO L235 CfgBuilder]: Building ICFG [2022-11-15 22:34:37,367 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-15 22:34:37,621 INFO L276 CfgBuilder]: Performing block encoding [2022-11-15 22:34:37,690 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-15 22:34:37,690 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-15 22:34:37,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:34:37 BoogieIcfgContainer [2022-11-15 22:34:37,692 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-15 22:34:37,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-15 22:34:37,694 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-15 22:34:37,703 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-15 22:34:37,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:34:36" (1/3) ... [2022-11-15 22:34:37,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@423e2361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:34:37, skipping insertion in model container [2022-11-15 22:34:37,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:34:37" (2/3) ... [2022-11-15 22:34:37,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@423e2361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:34:37, skipping insertion in model container [2022-11-15 22:34:37,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:34:37" (3/3) ... [2022-11-15 22:34:37,705 INFO L112 eAbstractionObserver]: Analyzing ICFG mix053_power.oepc_pso.oepc_rmo.oepc.i [2022-11-15 22:34:37,710 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-15 22:34:37,716 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-15 22:34:37,716 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-15 22:34:37,716 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-15 22:34:37,765 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-15 22:34:37,801 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 22:34:37,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-15 22:34:37,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 22:34:37,804 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) [2022-11-15 22:34:37,830 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 [2022-11-15 22:34:37,838 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-15 22:34:37,846 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-15 22:34:37,852 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;@4a35f8ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-15 22:34:37,852 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-11-15 22:34:38,115 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-15 22:34:38,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:34:38,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1320534340, now seen corresponding path program 1 times [2022-11-15 22:34:38,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:34:38,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364450372] [2022-11-15 22:34:38,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:34:38,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:34:38,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:34:38,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:34:38,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:34:38,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364450372] [2022-11-15 22:34:38,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364450372] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:34:38,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:34:38,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-15 22:34:38,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879847732] [2022-11-15 22:34:38,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:34:38,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-15 22:34:38,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:34:38,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-15 22:34:38,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-15 22:34:38,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:34:38,376 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:34:38,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 42.5) internal successors, (85), 2 states have internal predecessors, (85), 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) [2022-11-15 22:34:38,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:34:38,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:34:38,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-15 22:34:38,408 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-15 22:34:38,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:34:38,409 INFO L85 PathProgramCache]: Analyzing trace with hash 2058975223, now seen corresponding path program 1 times [2022-11-15 22:34:38,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:34:38,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117278421] [2022-11-15 22:34:38,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:34:38,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:34:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:34:38,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:34:38,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:34:38,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117278421] [2022-11-15 22:34:38,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117278421] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:34:38,795 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:34:38,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-15 22:34:38,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034559325] [2022-11-15 22:34:38,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:34:38,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-15 22:34:38,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:34:38,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-15 22:34:38,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-15 22:34:38,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:34:38,800 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:34:38,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 22:34:38,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:34:38,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:34:38,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:34:38,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 22:34:38,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-15 22:34:38,967 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-15 22:34:38,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:34:38,968 INFO L85 PathProgramCache]: Analyzing trace with hash -436727627, now seen corresponding path program 1 times [2022-11-15 22:34:38,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:34:38,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738714998] [2022-11-15 22:34:38,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:34:38,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:34:39,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:34:39,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:34:39,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:34:39,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738714998] [2022-11-15 22:34:39,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738714998] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:34:39,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:34:39,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-15 22:34:39,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197942233] [2022-11-15 22:34:39,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:34:39,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-15 22:34:39,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:34:39,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-15 22:34:39,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-15 22:34:39,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:34:39,383 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:34:39,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 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) [2022-11-15 22:34:39,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:34:39,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 22:34:39,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:34:39,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:34:39,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 22:34:39,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:34:39,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-15 22:34:39,473 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-15 22:34:39,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:34:39,473 INFO L85 PathProgramCache]: Analyzing trace with hash -963447998, now seen corresponding path program 1 times [2022-11-15 22:34:39,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:34:39,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017546174] [2022-11-15 22:34:39,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:34:39,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:34:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:34:39,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:34:39,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:34:39,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017546174] [2022-11-15 22:34:39,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017546174] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:34:39,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:34:39,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-15 22:34:39,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281278018] [2022-11-15 22:34:39,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:34:39,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-15 22:34:39,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:34:39,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-15 22:34:39,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-15 22:34:39,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:34:39,705 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:34:39,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 7 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 22:34:39,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:34:39,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 22:34:39,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:34:39,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:34:39,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:34:39,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 22:34:39,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:34:39,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-15 22:34:39,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-15 22:34:39,812 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-15 22:34:39,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:34:39,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1992016814, now seen corresponding path program 1 times [2022-11-15 22:34:39,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:34:39,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348401401] [2022-11-15 22:34:39,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:34:39,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:34:39,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:34:40,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:34:40,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:34:40,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348401401] [2022-11-15 22:34:40,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348401401] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:34:40,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:34:40,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-15 22:34:40,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712120302] [2022-11-15 22:34:40,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:34:40,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-15 22:34:40,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:34:40,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-15 22:34:40,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-15 22:34:40,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:34:40,010 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:34:40,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 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) [2022-11-15 22:34:40,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:34:40,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 22:34:40,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:34:40,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-15 22:34:40,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:34:40,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:34:40,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-15 22:34:40,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:34:40,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-15 22:34:40,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 22:34:40,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-15 22:34:40,248 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-15 22:34:40,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:34:40,249 INFO L85 PathProgramCache]: Analyzing trace with hash -976948690, now seen corresponding path program 2 times [2022-11-15 22:34:40,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:34:40,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596400550] [2022-11-15 22:34:40,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:34:40,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:34:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:34:40,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:34:40,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:34:40,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596400550] [2022-11-15 22:34:40,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596400550] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:34:40,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:34:40,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-15 22:34:40,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162341179] [2022-11-15 22:34:40,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:34:40,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-15 22:34:40,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:34:40,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-15 22:34:40,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-15 22:34:40,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:34:40,455 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:34:40,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 8 states have internal predecessors, (100), 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) [2022-11-15 22:34:40,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:34:40,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-15 22:34:40,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:34:40,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-15 22:34:40,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 22:34:40,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:34:40,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:34:40,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-15 22:34:40,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:34:40,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-15 22:34:40,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 22:34:40,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-15 22:34:40,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-15 22:34:40,691 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-15 22:34:40,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:34:40,691 INFO L85 PathProgramCache]: Analyzing trace with hash -335543223, now seen corresponding path program 1 times [2022-11-15 22:34:40,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:34:40,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890540942] [2022-11-15 22:34:40,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:34:40,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:34:40,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-15 22:34:41,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-15 22:34:41,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-15 22:34:41,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890540942] [2022-11-15 22:34:41,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890540942] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-15 22:34:41,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-15 22:34:41,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-15 22:34:41,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566749191] [2022-11-15 22:34:41,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-15 22:34:41,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-15 22:34:41,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-15 22:34:41,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-15 22:34:41,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2022-11-15 22:34:41,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:34:41,673 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-15 22:34:41,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.461538461538462) internal successors, (110), 13 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-15 22:34:41,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:34:41,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-15 22:34:41,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:34:41,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-15 22:34:41,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-15 22:34:41,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-11-15 22:34:41,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:34:42,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-15 22:34:42,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-15 22:34:42,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-15 22:34:42,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-15 22:34:42,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-15 22:34:42,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-15 22:34:42,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-15 22:34:42,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-15 22:34:42,500 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-11-15 22:34:42,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-15 22:34:42,501 INFO L85 PathProgramCache]: Analyzing trace with hash 975726341, now seen corresponding path program 2 times [2022-11-15 22:34:42,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-15 22:34:42,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741504354] [2022-11-15 22:34:42,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-15 22:34:42,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-15 22:34:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-15 22:34:42,539 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-15 22:34:42,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-15 22:34:42,606 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-15 22:34:42,606 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-15 22:34:42,607 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-11-15 22:34:42,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2022-11-15 22:34:42,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2022-11-15 22:34:42,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2022-11-15 22:34:42,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2022-11-15 22:34:42,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-15 22:34:42,612 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1] [2022-11-15 22:34:42,613 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (1/2) [2022-11-15 22:34:42,616 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-15 22:34:42,616 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-15 22:34:42,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 10:34:42 BasicIcfg [2022-11-15 22:34:42,709 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-15 22:34:42,710 INFO L158 Benchmark]: Toolchain (without parser) took 6188.20ms. Allocated memory was 197.1MB in the beginning and 423.6MB in the end (delta: 226.5MB). Free memory was 164.3MB in the beginning and 194.9MB in the end (delta: -30.6MB). Peak memory consumption was 195.1MB. Max. memory is 8.0GB. [2022-11-15 22:34:42,710 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 197.1MB. Free memory is still 152.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-15 22:34:42,710 INFO L158 Benchmark]: CACSL2BoogieTranslator took 516.89ms. Allocated memory was 197.1MB in the beginning and 317.7MB in the end (delta: 120.6MB). Free memory was 164.0MB in the beginning and 271.9MB in the end (delta: -107.9MB). Peak memory consumption was 12.8MB. Max. memory is 8.0GB. [2022-11-15 22:34:42,710 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.02ms. Allocated memory is still 317.7MB. Free memory was 271.9MB in the beginning and 269.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-15 22:34:42,711 INFO L158 Benchmark]: Boogie Preprocessor took 21.08ms. Allocated memory is still 317.7MB. Free memory was 269.3MB in the beginning and 267.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-15 22:34:42,711 INFO L158 Benchmark]: RCFGBuilder took 581.49ms. Allocated memory is still 317.7MB. Free memory was 267.2MB in the beginning and 228.9MB in the end (delta: 38.3MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. [2022-11-15 22:34:42,711 INFO L158 Benchmark]: TraceAbstraction took 5015.84ms. Allocated memory was 317.7MB in the beginning and 423.6MB in the end (delta: 105.9MB). Free memory was 227.8MB in the beginning and 194.9MB in the end (delta: 32.9MB). Peak memory consumption was 139.3MB. Max. memory is 8.0GB. [2022-11-15 22:34:42,712 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 197.1MB. Free memory is still 152.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 516.89ms. Allocated memory was 197.1MB in the beginning and 317.7MB in the end (delta: 120.6MB). Free memory was 164.0MB in the beginning and 271.9MB in the end (delta: -107.9MB). Peak memory consumption was 12.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 49.02ms. Allocated memory is still 317.7MB. Free memory was 271.9MB in the beginning and 269.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.08ms. Allocated memory is still 317.7MB. Free memory was 269.3MB in the beginning and 267.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 581.49ms. Allocated memory is still 317.7MB. Free memory was 267.2MB in the beginning and 228.9MB in the end (delta: 38.3MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. * TraceAbstraction took 5015.84ms. Allocated memory was 317.7MB in the beginning and 423.6MB in the end (delta: 105.9MB). Free memory was 227.8MB in the beginning and 194.9MB in the end (delta: 32.9MB). Peak memory consumption was 139.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14588, independent: 14391, independent conditional: 11806, independent unconditional: 2585, dependent: 197, dependent conditional: 139, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14544, independent: 14391, independent conditional: 11806, independent unconditional: 2585, dependent: 153, dependent conditional: 95, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 14544, independent: 14391, independent conditional: 11806, independent unconditional: 2585, dependent: 153, dependent conditional: 95, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15619, independent: 14391, independent conditional: 504, independent unconditional: 13887, dependent: 1228, dependent conditional: 571, dependent unconditional: 657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15619, independent: 14391, independent conditional: 504, independent unconditional: 13887, dependent: 1228, dependent conditional: 8, dependent unconditional: 1220, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15619, independent: 14391, independent conditional: 504, independent unconditional: 13887, dependent: 1228, dependent conditional: 8, dependent unconditional: 1220, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2672, independent: 2608, independent conditional: 23, independent unconditional: 2585, dependent: 64, dependent conditional: 6, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2672, independent: 2570, independent conditional: 0, independent unconditional: 2570, dependent: 102, dependent conditional: 0, dependent unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 102, independent: 38, independent conditional: 23, independent unconditional: 15, dependent: 64, dependent conditional: 6, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 102, independent: 38, independent conditional: 23, independent unconditional: 15, dependent: 64, dependent conditional: 6, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 578, independent: 140, independent conditional: 92, independent unconditional: 49, dependent: 437, dependent conditional: 16, dependent unconditional: 421, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 15619, independent: 11783, independent conditional: 481, independent unconditional: 11302, dependent: 1164, dependent conditional: 2, dependent unconditional: 1162, unknown: 2672, unknown conditional: 29, unknown unconditional: 2643] , Statistics on independence cache: Total cache size (in pairs): 2672, Positive cache size: 2608, Positive conditional cache size: 23, Positive unconditional cache size: 2585, Negative cache size: 64, Negative conditional cache size: 6, Negative unconditional cache size: 58, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 563, Maximal queried relation: 5, Independence queries for same thread: 44 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.7s, Number of persistent set computation: 2070, Number of trivial persistent sets: 1369, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2643, independent: 2585, independent conditional: 0, independent unconditional: 2585, dependent: 58, dependent conditional: 0, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14588, independent: 14391, independent conditional: 11806, independent unconditional: 2585, dependent: 197, dependent conditional: 139, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14544, independent: 14391, independent conditional: 11806, independent unconditional: 2585, dependent: 153, dependent conditional: 95, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 14544, independent: 14391, independent conditional: 11806, independent unconditional: 2585, dependent: 153, dependent conditional: 95, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15619, independent: 14391, independent conditional: 504, independent unconditional: 13887, dependent: 1228, dependent conditional: 571, dependent unconditional: 657, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15619, independent: 14391, independent conditional: 504, independent unconditional: 13887, dependent: 1228, dependent conditional: 8, dependent unconditional: 1220, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15619, independent: 14391, independent conditional: 504, independent unconditional: 13887, dependent: 1228, dependent conditional: 8, dependent unconditional: 1220, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2672, independent: 2608, independent conditional: 23, independent unconditional: 2585, dependent: 64, dependent conditional: 6, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2672, independent: 2570, independent conditional: 0, independent unconditional: 2570, dependent: 102, dependent conditional: 0, dependent unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 102, independent: 38, independent conditional: 23, independent unconditional: 15, dependent: 64, dependent conditional: 6, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 102, independent: 38, independent conditional: 23, independent unconditional: 15, dependent: 64, dependent conditional: 6, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 578, independent: 140, independent conditional: 92, independent unconditional: 49, dependent: 437, dependent conditional: 16, dependent unconditional: 421, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 15619, independent: 11783, independent conditional: 481, independent unconditional: 11302, dependent: 1164, dependent conditional: 2, dependent unconditional: 1162, unknown: 2672, unknown conditional: 29, unknown unconditional: 2643] , Statistics on independence cache: Total cache size (in pairs): 2672, Positive cache size: 2608, Positive conditional cache size: 23, Positive unconditional cache size: 2585, Negative cache size: 64, Negative conditional cache size: 6, Negative unconditional cache size: 58, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 563, Maximal queried relation: 5, Independence queries for same thread: 44 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L734] 0 _Bool a$w_buff1_used; VAL [a$w_buff1_used=0] [L743] 0 _Bool weak$$choice0; VAL [a$w_buff1_used=0, weak$$choice0=0] [L744] 0 _Bool weak$$choice2; VAL [a$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L718] 0 int a$mem_tmp; VAL [a$mem_tmp=0, a$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L729] 0 _Bool a$read_delayed; VAL [a$mem_tmp=0, a$read_delayed=0, a$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L716] 0 int a = 0; VAL [a=0, a$mem_tmp=0, a$read_delayed=0, a$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L727] 0 _Bool a$r_buff1_thd3; VAL [a=0, a$mem_tmp=0, a$r_buff1_thd3=0, a$read_delayed=0, a$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L712] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_p2_EAX=0, a=0, a$mem_tmp=0, a$r_buff1_thd3=0, a$read_delayed=0, a$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L728] 0 _Bool a$r_buff1_thd4; VAL [__unbuffered_p2_EAX=0, a=0, a$mem_tmp=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L725] 0 _Bool a$r_buff1_thd1; VAL [__unbuffered_p2_EAX=0, a=0, a$mem_tmp=0, a$r_buff1_thd1=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L731] 0 int a$w_buff0; VAL [__unbuffered_p2_EAX=0, a=0, a$mem_tmp=0, a$r_buff1_thd1=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$w_buff0=0, a$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L726] 0 _Bool a$r_buff1_thd2; VAL [__unbuffered_p2_EAX=0, a=0, a$mem_tmp=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$w_buff0=0, a$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L733] 0 int a$w_buff1; VAL [__unbuffered_p2_EAX=0, a=0, a$mem_tmp=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$w_buff0=0, a$w_buff1=0, a$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L717] 0 _Bool a$flush_delayed; VAL [__unbuffered_p2_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$w_buff0=0, a$w_buff1=0, a$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L724] 0 _Bool a$r_buff1_thd0; VAL [__unbuffered_p2_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$w_buff0=0, a$w_buff1=0, a$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L710] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$w_buff0=0, a$w_buff1=0, a$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L730] 0 int *a$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff1=0, a$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L736] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0] [L735] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0] [L732] 0 _Bool a$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0] [L720] 0 _Bool a$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd1=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0] [L719] 0 _Bool a$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0] [L714] 0 int __unbuffered_p3_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0] [L722] 0 _Bool a$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0] [L721] 0 _Bool a$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0] [L723] 0 _Bool a$r_buff0_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0] [L738] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0] [L740] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0] [L742] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L859] 0 pthread_t t1409; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, t1409={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L860] FCALL, FORK 0 pthread_create(&t1409, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1409, ((void *)0), P0, ((void *)0))=-3, t1409={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L861] 0 pthread_t t1410; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, t1409={5:0}, t1410={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L862] FCALL, FORK 0 pthread_create(&t1410, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1410, ((void *)0), P1, ((void *)0))=-2, t1409={5:0}, t1410={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L863] 0 pthread_t t1411; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1409={5:0}, t1410={6:0}, t1411={7:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L864] FCALL, FORK 0 pthread_create(&t1411, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1411, ((void *)0), P2, ((void *)0))=-1, t1409={5:0}, t1410={6:0}, t1411={7:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L865] 0 pthread_t t1412; VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1409={5:0}, t1410={6:0}, t1411={7:0}, t1412={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L866] FCALL, FORK 0 pthread_create(&t1412, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1412, ((void *)0), P3, ((void *)0))=0, t1409={5:0}, t1410={6:0}, t1411={7:0}, t1412={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L748] 1 a$w_buff1 = a$w_buff0 [L749] 1 a$w_buff0 = 1 [L750] 1 a$w_buff1_used = a$w_buff0_used [L751] 1 a$w_buff0_used = (_Bool)1 [L752] CALL 1 __VERIFIER_assert(!(a$w_buff1_used && a$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L752] RET 1 __VERIFIER_assert(!(a$w_buff1_used && a$w_buff0_used)) [L753] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L754] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L755] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L756] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L757] 1 a$r_buff1_thd4 = a$r_buff0_thd4 [L758] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L761] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L778] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L781] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L784] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L785] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L786] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L787] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L788] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L791] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L793] 2 return 0; VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L798] 3 y = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0] [L801] 3 __unbuffered_p2_EAX = z VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0] [L804] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L805] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L806] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L807] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L808] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0] [L811] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0] [L813] 3 return 0; VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0] [L818] 4 z = 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=1] [L821] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L822] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L823] 4 a$flush_delayed = weak$$choice2 [L824] 4 a$mem_tmp = a [L825] 4 a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L826] 4 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L827] 4 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L828] 4 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L829] 4 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L830] 4 a$r_buff0_thd4 = weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L831] 4 a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L832] 4 __unbuffered_p3_EAX = a [L833] 4 a = a$flush_delayed ? a$mem_tmp : a [L834] 4 a$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=2, z=1] [L764] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L765] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L766] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L767] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L768] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=2, z=1] [L771] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=2, z=1] [L773] 1 return 0; VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=2, z=1] [L837] 4 a = a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L838] 4 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L839] 4 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L840] 4 a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L841] 4 a$r_buff1_thd4 = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=2, z=1] [L844] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=2, z=1] [L868] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1409={5:0}, t1410={6:0}, t1411={7:0}, t1412={3:0}, weak$$choice0=49, weak$$choice2=255, x=2, y=2, z=1] [L870] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=2, z=1] [L870] RET 0 assume_abort_if_not(main$tmp_guard0) [L872] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L873] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L874] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L875] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L876] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1409={5:0}, t1410={6:0}, t1411={7:0}, t1412={3:0}, weak$$choice0=49, weak$$choice2=255, x=2, y=2, z=1] [L879] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 0) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1409={5:0}, t1410={6:0}, t1411={7:0}, t1412={3:0}, weak$$choice0=49, weak$$choice2=255, x=2, y=2, z=1] [L881] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=1, \old(expression)=0, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=2, z=1] [L18] 0 reach_error() VAL [\old(expression)=1, \old(expression)=0, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=2, z=1] - UnprovableResult [Line: 864]: 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: 866]: 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: 862]: 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: 860]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 171 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 2.0s, 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: 55, 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, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 770 NumberOfCodeBlocks, 770 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 653 ConstructedInterpolants, 0 QuantifiedInterpolants, 2656 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-15 22:34:42,740 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 [2022-11-15 22:34:42,935 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...