/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por LOOP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix042.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 11:01:18,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 11:01:18,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 11:01:18,741 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 11:01:18,741 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 11:01:18,742 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 11:01:18,743 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 11:01:18,745 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 11:01:18,747 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 11:01:18,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 11:01:18,748 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 11:01:18,750 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 11:01:18,750 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 11:01:18,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 11:01:18,752 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 11:01:18,753 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 11:01:18,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 11:01:18,754 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 11:01:18,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 11:01:18,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 11:01:18,759 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 11:01:18,760 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 11:01:18,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 11:01:18,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 11:01:18,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-05-04 11:01:18,772 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 11:01:18,773 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 11:01:18,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 11:01:18,774 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 11:01:18,792 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 11:01:18,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 11:01:18,792 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 11:01:18,792 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 11:01:18,793 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 11:01:18,793 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 11:01:18,794 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 11:01:18,794 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 11:01:18,794 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 11:01:18,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 11:01:18,794 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 11:01:18,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 11:01:18,794 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 11:01:18,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 11:01:18,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 11:01:18,795 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 11:01:18,795 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 11:01:18,795 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 11:01:18,795 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 11:01:18,795 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 11:01:18,795 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 11:01:18,796 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 11:01:18,796 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 11:01:18,796 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 11:01:18,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 11:01:18,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 11:01:18,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 11:01:18,797 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 11:01:18,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 11:01:18,797 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 11:01:18,797 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 11:01:18,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 11:01:18,797 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 11:01:18,797 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 11:01:18,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 11:01:18,798 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 11:01:18,798 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-04 11:01:19,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 11:01:19,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 11:01:19,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 11:01:19,063 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 11:01:19,064 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 11:01:19,066 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix042.oepc.i [2023-05-04 11:01:19,128 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b908f982/0a71edd3e53641daa69c1003d41002a2/FLAG584eccfd7 [2023-05-04 11:01:19,656 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 11:01:19,656 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix042.oepc.i [2023-05-04 11:01:19,672 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b908f982/0a71edd3e53641daa69c1003d41002a2/FLAG584eccfd7 [2023-05-04 11:01:20,142 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b908f982/0a71edd3e53641daa69c1003d41002a2 [2023-05-04 11:01:20,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 11:01:20,146 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 11:01:20,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 11:01:20,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 11:01:20,152 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 11:01:20,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 11:01:20" (1/1) ... [2023-05-04 11:01:20,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a98020b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 11:01:20, skipping insertion in model container [2023-05-04 11:01:20,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 11:01:20" (1/1) ... [2023-05-04 11:01:20,161 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 11:01:20,206 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 11:01:20,361 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix042.oepc.i[945,958] [2023-05-04 11:01:20,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 11:01:20,585 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 11:01:20,601 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix042.oepc.i[945,958] [2023-05-04 11:01:20,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 11:01:20,711 INFO L208 MainTranslator]: Completed translation [2023-05-04 11:01:20,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 11:01:20 WrapperNode [2023-05-04 11:01:20,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 11:01:20,712 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 11:01:20,712 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 11:01:20,712 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 11:01:20,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 11:01:20" (1/1) ... [2023-05-04 11:01:20,750 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 11:01:20" (1/1) ... [2023-05-04 11:01:20,783 INFO L138 Inliner]: procedures = 176, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 130 [2023-05-04 11:01:20,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 11:01:20,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 11:01:20,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 11:01:20,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 11:01:20,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 11:01:20" (1/1) ... [2023-05-04 11:01:20,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 11:01:20" (1/1) ... [2023-05-04 11:01:20,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 11:01:20" (1/1) ... [2023-05-04 11:01:20,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 11:01:20" (1/1) ... [2023-05-04 11:01:20,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 11:01:20" (1/1) ... [2023-05-04 11:01:20,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 11:01:20" (1/1) ... [2023-05-04 11:01:20,821 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 11:01:20" (1/1) ... [2023-05-04 11:01:20,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 11:01:20" (1/1) ... [2023-05-04 11:01:20,842 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 11:01:20,843 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 11:01:20,843 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 11:01:20,843 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 11:01:20,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 11:01:20" (1/1) ... [2023-05-04 11:01:20,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 11:01:20,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 11:01:20,882 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-04 11:01:20,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-04 11:01:20,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 11:01:20,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 11:01:20,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 11:01:20,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 11:01:20,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 11:01:20,921 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-05-04 11:01:20,921 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-05-04 11:01:20,921 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-05-04 11:01:20,922 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-05-04 11:01:20,922 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-05-04 11:01:20,922 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-05-04 11:01:20,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 11:01:20,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 11:01:20,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 11:01:20,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 11:01:20,924 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 11:01:21,076 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 11:01:21,078 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 11:01:21,432 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 11:01:21,532 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 11:01:21,532 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-04 11:01:21,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 11:01:21 BoogieIcfgContainer [2023-05-04 11:01:21,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 11:01:21,537 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 11:01:21,537 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 11:01:21,541 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 11:01:21,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 11:01:20" (1/3) ... [2023-05-04 11:01:21,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a5d48d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 11:01:21, skipping insertion in model container [2023-05-04 11:01:21,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 11:01:20" (2/3) ... [2023-05-04 11:01:21,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a5d48d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 11:01:21, skipping insertion in model container [2023-05-04 11:01:21,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 11:01:21" (3/3) ... [2023-05-04 11:01:21,543 INFO L112 eAbstractionObserver]: Analyzing ICFG mix042.oepc.i [2023-05-04 11:01:21,551 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 11:01:21,560 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 11:01:21,560 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-05-04 11:01:21,560 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 11:01:21,625 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-05-04 11:01:21,686 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 11:01:21,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 11:01:21,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 11:01:21,693 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-04 11:01:21,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-04 11:01:21,735 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 11:01:21,755 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 11:01:21,761 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;@4d0f5cb5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 11:01:21,762 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-04 11:01:22,162 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 11:01:22,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 11:01:22,169 INFO L85 PathProgramCache]: Analyzing trace with hash -956489007, now seen corresponding path program 1 times [2023-05-04 11:01:22,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 11:01:22,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865818091] [2023-05-04 11:01:22,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 11:01:22,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 11:01:22,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 11:01:22,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 11:01:22,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 11:01:22,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865818091] [2023-05-04 11:01:22,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865818091] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 11:01:22,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 11:01:22,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 11:01:22,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518381235] [2023-05-04 11:01:22,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 11:01:22,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 11:01:22,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 11:01:22,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 11:01:22,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 11:01:22,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:01:22,582 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 11:01:22,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 50.0) internal successors, (100), 2 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) [2023-05-04 11:01:22,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:01:22,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:01:22,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 11:01:22,627 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 11:01:22,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 11:01:22,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1526339485, now seen corresponding path program 1 times [2023-05-04 11:01:22,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 11:01:22,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506957955] [2023-05-04 11:01:22,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 11:01:22,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 11:01:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 11:01:24,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 11:01:24,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 11:01:24,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506957955] [2023-05-04 11:01:24,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506957955] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 11:01:24,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 11:01:24,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-05-04 11:01:24,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048697064] [2023-05-04 11:01:24,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 11:01:24,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-05-04 11:01:24,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 11:01:24,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-05-04 11:01:24,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-05-04 11:01:24,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:01:24,503 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 11:01:24,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.0) internal successors, (99), 11 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 11:01:24,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:01:24,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:01:24,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:01:24,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 11:01:24,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 11:01:24,974 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 11:01:24,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 11:01:24,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1815307883, now seen corresponding path program 2 times [2023-05-04 11:01:24,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 11:01:24,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557524112] [2023-05-04 11:01:24,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 11:01:24,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 11:01:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 11:01:25,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 11:01:25,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 11:01:25,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557524112] [2023-05-04 11:01:25,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557524112] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 11:01:25,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 11:01:25,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-05-04 11:01:25,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473957074] [2023-05-04 11:01:25,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 11:01:25,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-04 11:01:25,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 11:01:25,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-04 11:01:25,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-05-04 11:01:25,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:01:25,409 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 11:01:25,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.375) internal successors, (99), 8 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 11:01:25,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:01:25,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-04 11:01:25,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:01:26,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 11:01:26,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-04 11:01:26,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 11:01:26,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 11:01:26,518 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 11:01:26,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 11:01:26,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1954487453, now seen corresponding path program 3 times [2023-05-04 11:01:26,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 11:01:26,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5560993] [2023-05-04 11:01:26,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 11:01:26,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 11:01:26,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-04 11:01:26,577 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-05-04 11:01:26,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-04 11:01:26,658 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-05-04 11:01:26,658 INFO L359 BasicCegarLoop]: Counterexample is feasible [2023-05-04 11:01:26,659 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-05-04 11:01:26,661 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-04 11:01:26,662 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-04 11:01:26,662 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-04 11:01:26,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-04 11:01:26,701 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1] [2023-05-04 11:01:26,703 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN (1/2) [2023-05-04 11:01:26,706 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 11:01:26,707 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 11:01:26,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 11:01:26 BasicIcfg [2023-05-04 11:01:26,822 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 11:01:26,822 INFO L158 Benchmark]: Toolchain (without parser) took 6676.20ms. Allocated memory was 196.1MB in the beginning and 442.5MB in the end (delta: 246.4MB). Free memory was 160.3MB in the beginning and 374.1MB in the end (delta: -213.8MB). Peak memory consumption was 261.2MB. Max. memory is 8.0GB. [2023-05-04 11:01:26,823 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 196.1MB. Free memory is still 150.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 11:01:26,823 INFO L158 Benchmark]: CACSL2BoogieTranslator took 561.81ms. Allocated memory was 196.1MB in the beginning and 368.1MB in the end (delta: 172.0MB). Free memory was 160.1MB in the beginning and 325.0MB in the end (delta: -165.0MB). Peak memory consumption was 9.3MB. Max. memory is 8.0GB. [2023-05-04 11:01:26,823 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.63ms. Allocated memory is still 368.1MB. Free memory was 325.0MB in the beginning and 322.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 11:01:26,824 INFO L158 Benchmark]: Boogie Preprocessor took 57.34ms. Allocated memory is still 368.1MB. Free memory was 322.3MB in the beginning and 320.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 11:01:26,824 INFO L158 Benchmark]: RCFGBuilder took 691.76ms. Allocated memory is still 368.1MB. Free memory was 320.6MB in the beginning and 285.9MB in the end (delta: 34.7MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. [2023-05-04 11:01:26,825 INFO L158 Benchmark]: TraceAbstraction took 5284.77ms. Allocated memory was 368.1MB in the beginning and 442.5MB in the end (delta: 74.4MB). Free memory was 284.9MB in the beginning and 374.1MB in the end (delta: -89.1MB). Peak memory consumption was 215.1MB. Max. memory is 8.0GB. [2023-05-04 11:01:26,827 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 196.1MB. Free memory is still 150.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 561.81ms. Allocated memory was 196.1MB in the beginning and 368.1MB in the end (delta: 172.0MB). Free memory was 160.1MB in the beginning and 325.0MB in the end (delta: -165.0MB). Peak memory consumption was 9.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 71.63ms. Allocated memory is still 368.1MB. Free memory was 325.0MB in the beginning and 322.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 57.34ms. Allocated memory is still 368.1MB. Free memory was 322.3MB in the beginning and 320.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 691.76ms. Allocated memory is still 368.1MB. Free memory was 320.6MB in the beginning and 285.9MB in the end (delta: 34.7MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. * TraceAbstraction took 5284.77ms. Allocated memory was 368.1MB in the beginning and 442.5MB in the end (delta: 74.4MB). Free memory was 284.9MB in the beginning and 374.1MB in the end (delta: -89.1MB). Peak memory consumption was 215.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 12576, independent: 12146, independent conditional: 10431, independent unconditional: 1715, dependent: 430, dependent conditional: 394, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12217, independent: 12146, independent conditional: 10431, independent unconditional: 1715, dependent: 71, dependent conditional: 35, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 12217, independent: 12146, independent conditional: 10431, independent unconditional: 1715, dependent: 71, dependent conditional: 35, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12444, independent: 12146, independent conditional: 144, independent unconditional: 12002, dependent: 298, dependent conditional: 83, dependent unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 12444, independent: 12146, independent conditional: 144, independent unconditional: 12002, dependent: 298, dependent conditional: 28, dependent unconditional: 270, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12444, independent: 12146, independent conditional: 144, independent unconditional: 12002, dependent: 298, dependent conditional: 28, dependent unconditional: 270, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1768, independent: 1728, independent conditional: 13, independent unconditional: 1715, dependent: 40, dependent conditional: 4, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1768, independent: 1707, independent conditional: 0, independent unconditional: 1707, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 61, independent: 21, independent conditional: 13, independent unconditional: 8, dependent: 40, dependent conditional: 4, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, independent: 21, independent conditional: 13, independent unconditional: 8, dependent: 40, dependent conditional: 4, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 551, independent: 153, independent conditional: 98, independent unconditional: 55, dependent: 398, dependent conditional: 14, dependent unconditional: 384, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 12444, independent: 10418, independent conditional: 131, independent unconditional: 10287, dependent: 258, dependent conditional: 24, dependent unconditional: 234, unknown: 1768, unknown conditional: 17, unknown unconditional: 1751] , Statistics on independence cache: Total cache size (in pairs): 1768, Positive cache size: 1728, Positive conditional cache size: 13, Positive unconditional cache size: 1715, Negative cache size: 40, Negative conditional cache size: 4, Negative unconditional cache size: 36, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 55, Maximal queried relation: 2, Independence queries for same thread: 359 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.7s, Number of persistent set computation: 3448, Number of trivial persistent sets: 3448, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1751, independent: 1715, independent conditional: 0, independent unconditional: 1715, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 12576, independent: 12146, independent conditional: 10431, independent unconditional: 1715, dependent: 430, dependent conditional: 394, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12217, independent: 12146, independent conditional: 10431, independent unconditional: 1715, dependent: 71, dependent conditional: 35, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 12217, independent: 12146, independent conditional: 10431, independent unconditional: 1715, dependent: 71, dependent conditional: 35, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12444, independent: 12146, independent conditional: 144, independent unconditional: 12002, dependent: 298, dependent conditional: 83, dependent unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 12444, independent: 12146, independent conditional: 144, independent unconditional: 12002, dependent: 298, dependent conditional: 28, dependent unconditional: 270, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12444, independent: 12146, independent conditional: 144, independent unconditional: 12002, dependent: 298, dependent conditional: 28, dependent unconditional: 270, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1768, independent: 1728, independent conditional: 13, independent unconditional: 1715, dependent: 40, dependent conditional: 4, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1768, independent: 1707, independent conditional: 0, independent unconditional: 1707, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 61, independent: 21, independent conditional: 13, independent unconditional: 8, dependent: 40, dependent conditional: 4, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, independent: 21, independent conditional: 13, independent unconditional: 8, dependent: 40, dependent conditional: 4, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 551, independent: 153, independent conditional: 98, independent unconditional: 55, dependent: 398, dependent conditional: 14, dependent unconditional: 384, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 12444, independent: 10418, independent conditional: 131, independent unconditional: 10287, dependent: 258, dependent conditional: 24, dependent unconditional: 234, unknown: 1768, unknown conditional: 17, unknown unconditional: 1751] , Statistics on independence cache: Total cache size (in pairs): 1768, Positive cache size: 1728, Positive conditional cache size: 13, Positive unconditional cache size: 1715, Negative cache size: 40, Negative conditional cache size: 4, Negative unconditional cache size: 36, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 55, Maximal queried relation: 2, Independence queries for same thread: 359 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L715] 0 int __unbuffered_p2_EBX = 0; VAL [__unbuffered_p2_EBX=0] [L733] 0 _Bool a$w_buff1_used; VAL [__unbuffered_p2_EBX=0, a$w_buff1_used=0] [L742] 0 _Bool weak$$choice0; VAL [__unbuffered_p2_EBX=0, a$w_buff1_used=0, weak$$choice0=0] [L743] 0 _Bool weak$$choice2; VAL [__unbuffered_p2_EBX=0, a$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L711] 0 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_p0_EAX=0, __unbuffered_p2_EBX=0, a$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L719] 0 int a$mem_tmp; VAL [__unbuffered_p0_EAX=0, __unbuffered_p2_EBX=0, a$mem_tmp=0, a$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L728] 0 _Bool a$read_delayed; VAL [__unbuffered_p0_EAX=0, __unbuffered_p2_EBX=0, a$mem_tmp=0, a$read_delayed=0, a$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L717] 0 int a = 0; VAL [__unbuffered_p0_EAX=0, __unbuffered_p2_EBX=0, a=0, a$mem_tmp=0, a$read_delayed=0, a$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L727] 0 _Bool a$r_buff1_thd3; VAL [__unbuffered_p0_EAX=0, __unbuffered_p2_EBX=0, a=0, a$mem_tmp=0, a$r_buff1_thd3=0, a$read_delayed=0, a$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L713] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$mem_tmp=0, a$r_buff1_thd3=0, a$read_delayed=0, a$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L725] 0 _Bool a$r_buff1_thd1; VAL [__unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$mem_tmp=0, a$r_buff1_thd1=0, a$r_buff1_thd3=0, a$read_delayed=0, a$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L730] 0 int a$w_buff0; VAL [__unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$mem_tmp=0, a$r_buff1_thd1=0, a$r_buff1_thd3=0, a$read_delayed=0, a$w_buff0=0, a$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L726] 0 _Bool a$r_buff1_thd2; VAL [__unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$mem_tmp=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$w_buff0=0, a$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L732] 0 int a$w_buff1; VAL [__unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$mem_tmp=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$w_buff0=0, a$w_buff1=0, a$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L718] 0 _Bool a$flush_delayed; VAL [__unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$w_buff0=0, a$w_buff1=0, a$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L724] 0 _Bool a$r_buff1_thd0; VAL [__unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$w_buff0=0, a$w_buff1=0, a$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L709] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$w_buff0=0, a$w_buff1=0, a$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L729] 0 int *a$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff1=0, a$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L735] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0] [L734] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0] [L731] 0 _Bool a$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0] [L721] 0 _Bool a$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd1=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0] [L720] 0 _Bool a$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0] [L723] 0 _Bool a$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0] [L722] 0 _Bool a$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0] [L737] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0] [L739] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0] [L741] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L843] 0 pthread_t t1105; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, t1105={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L844] FCALL, FORK 0 pthread_create(&t1105, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1105, ((void *)0), P0, ((void *)0))=-2, t1105={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L747] 1 a$w_buff1 = a$w_buff0 [L748] 1 a$w_buff0 = 1 [L749] 1 a$w_buff1_used = a$w_buff0_used [L750] 1 a$w_buff0_used = (_Bool)1 [L751] CALL 1 __VERIFIER_assert(!(a$w_buff1_used && a$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L751] RET 1 __VERIFIER_assert(!(a$w_buff1_used && a$w_buff0_used)) [L752] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L753] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L754] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L755] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L756] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L759] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L845] 0 pthread_t t1106; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, t1105={5:0}, t1106={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L846] FCALL, FORK 0 pthread_create(&t1106, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1106, ((void *)0), P1, ((void *)0))=-1, t1105={5:0}, t1106={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L776] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L779] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L782] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L783] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L784] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L785] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L786] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L789] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L791] 2 return 0; VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L847] 0 pthread_t t1107; VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1105={5:0}, t1106={6:0}, t1107={3:0}, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L848] FCALL, FORK 0 pthread_create(&t1107, ((void *)0), P2, ((void *)0)) VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1107, ((void *)0), P2, ((void *)0))=0, t1105={5:0}, t1106={6:0}, t1107={3:0}, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L796] 3 y = 2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=0] [L799] 3 z = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=1] [L802] 3 __unbuffered_p2_EAX = z VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=1] [L805] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L806] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L807] 3 a$flush_delayed = weak$$choice2 [L808] 3 a$mem_tmp = a [L809] 3 a = !a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff1) [L810] 3 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : a$w_buff0)) [L811] 3 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff1 : a$w_buff1)) [L812] 3 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used)) [L813] 3 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L814] 3 a$r_buff0_thd3 = weak$$choice2 ? a$r_buff0_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff0_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3)) [L815] 3 a$r_buff1_thd3 = weak$$choice2 ? a$r_buff1_thd3 : (!a$w_buff0_used || !a$r_buff0_thd3 && !a$w_buff1_used || !a$r_buff0_thd3 && !a$r_buff1_thd3 ? a$r_buff1_thd3 : (a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L816] 3 __unbuffered_p2_EBX = a [L817] 3 a = a$flush_delayed ? a$mem_tmp : a [L818] 3 a$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=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$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=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$$choice0=49, weak$$choice2=255, x=1, y=2, z=1] [L821] 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) [L822] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L823] 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 [L824] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L825] 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_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=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$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=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$$choice0=49, weak$$choice2=255, x=1, y=2, z=1] [L828] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=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$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=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$$choice0=49, weak$$choice2=255, x=1, y=2, z=1] [L830] 3 return 0; VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=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$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=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$$choice0=49, weak$$choice2=255, x=1, y=2, z=1] [L762] 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) [L763] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L764] 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 [L765] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L766] 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_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=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$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=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=1, y=2, z=1] [L769] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=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$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=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=1, y=2, z=1] [L771] 1 return 0; VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=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$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=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=1, y=2, z=1] [L850] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$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_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1105={5:0}, t1106={6:0}, t1107={3:0}, weak$$choice0=49, weak$$choice2=255, x=1, y=2, z=1] [L852] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$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_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=2, z=1] [L852] RET 0 assume_abort_if_not(main$tmp_guard0) [L854] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L855] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L856] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L857] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L858] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$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_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1105={5:0}, t1106={6:0}, t1107={3:0}, weak$$choice0=49, weak$$choice2=255, x=1, y=2, z=1] [L861] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$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_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1105={5:0}, t1106={6:0}, t1107={3:0}, weak$$choice0=49, weak$$choice2=255, x=1, y=2, z=1] [L863] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=0, \old(expression)=1, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, a=1, a$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_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=2, z=1] [L18] 0 reach_error() VAL [\old(expression)=1, \old(expression)=0, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=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$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=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}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=2, z=1] - UnprovableResult [Line: 846]: 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: 848]: 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: 844]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 148 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 5.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 3, 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: 25, 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, 0.4s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 397 NumberOfCodeBlocks, 397 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 295 ConstructedInterpolants, 0 QuantifiedInterpolants, 1086 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-05-04 11:01:26,866 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-05-04 11:01:27,086 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...