/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/mix005_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 07:03:10,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 07:03:10,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 07:03:10,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 07:03:10,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 07:03:10,788 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 07:03:10,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 07:03:10,796 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 07:03:10,799 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 07:03:10,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 07:03:10,803 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 07:03:10,804 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 07:03:10,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 07:03:10,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 07:03:10,805 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 07:03:10,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 07:03:10,807 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 07:03:10,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 07:03:10,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 07:03:10,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 07:03:10,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 07:03:10,813 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 07:03:10,815 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 07:03:10,816 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 07:03:10,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-05-20 07:03:10,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 07:03:10,835 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 07:03:10,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 07:03:10,837 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 07:03:10,864 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 07:03:10,864 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 07:03:10,864 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 07:03:10,864 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 07:03:10,865 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 07:03:10,865 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 07:03:10,866 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 07:03:10,866 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 07:03:10,866 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 07:03:10,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 07:03:10,867 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 07:03:10,867 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 07:03:10,867 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 07:03:10,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 07:03:10,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 07:03:10,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 07:03:10,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 07:03:10,868 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 07:03:10,868 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 07:03:10,868 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 07:03:10,868 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 07:03:10,868 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 07:03:10,868 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 07:03:10,869 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 07:03:10,869 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 07:03:10,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 07:03:10,869 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 07:03:10,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 07:03:10,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 07:03:10,870 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 07:03:10,870 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 07:03:10,870 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 07:03:10,871 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 07:03:10,871 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 07:03:10,871 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 07:03:10,871 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 07:03:10,871 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-20 07:03:11,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 07:03:11,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 07:03:11,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 07:03:11,142 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 07:03:11,143 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 07:03:11,144 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix005_tso.oepc.i [2023-05-20 07:03:11,197 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45fdd809a/b5239a21a5c64b12990da0f1dec1fa76/FLAG5a025994d [2023-05-20 07:03:11,587 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 07:03:11,588 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix005_tso.oepc.i [2023-05-20 07:03:11,602 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45fdd809a/b5239a21a5c64b12990da0f1dec1fa76/FLAG5a025994d [2023-05-20 07:03:11,962 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45fdd809a/b5239a21a5c64b12990da0f1dec1fa76 [2023-05-20 07:03:11,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 07:03:11,966 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 07:03:11,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 07:03:11,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 07:03:11,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 07:03:11,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 07:03:11" (1/1) ... [2023-05-20 07:03:11,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51c447cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 07:03:11, skipping insertion in model container [2023-05-20 07:03:11,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 07:03:11" (1/1) ... [2023-05-20 07:03:11,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 07:03:12,034 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 07:03:12,194 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/mix005_tso.oepc.i[949,962] [2023-05-20 07:03:12,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 07:03:12,382 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 07:03:12,391 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/mix005_tso.oepc.i[949,962] [2023-05-20 07:03:12,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 07:03:12,471 INFO L208 MainTranslator]: Completed translation [2023-05-20 07:03:12,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 07:03:12 WrapperNode [2023-05-20 07:03:12,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 07:03:12,473 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 07:03:12,473 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 07:03:12,473 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 07:03:12,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 07:03:12" (1/1) ... [2023-05-20 07:03:12,494 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 07:03:12" (1/1) ... [2023-05-20 07:03:12,529 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 161 [2023-05-20 07:03:12,529 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 07:03:12,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 07:03:12,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 07:03:12,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 07:03:12,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 07:03:12" (1/1) ... [2023-05-20 07:03:12,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 07:03:12" (1/1) ... [2023-05-20 07:03:12,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 07:03:12" (1/1) ... [2023-05-20 07:03:12,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 07:03:12" (1/1) ... [2023-05-20 07:03:12,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 07:03:12" (1/1) ... [2023-05-20 07:03:12,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 07:03:12" (1/1) ... [2023-05-20 07:03:12,556 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 07:03:12" (1/1) ... [2023-05-20 07:03:12,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 07:03:12" (1/1) ... [2023-05-20 07:03:12,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 07:03:12,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 07:03:12,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 07:03:12,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 07:03:12,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 07:03:12" (1/1) ... [2023-05-20 07:03:12,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 07:03:12,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 07:03:12,613 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) [2023-05-20 07:03:12,614 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 [2023-05-20 07:03:12,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 07:03:12,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-20 07:03:12,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 07:03:12,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 07:03:12,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 07:03:12,650 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-05-20 07:03:12,653 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-05-20 07:03:12,653 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-05-20 07:03:12,653 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-05-20 07:03:12,653 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-05-20 07:03:12,653 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-05-20 07:03:12,653 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-05-20 07:03:12,653 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-05-20 07:03:12,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 07:03:12,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-20 07:03:12,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 07:03:12,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 07:03:12,655 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 07:03:12,826 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 07:03:12,828 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 07:03:13,146 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 07:03:13,301 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 07:03:13,302 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-20 07:03:13,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 07:03:13 BoogieIcfgContainer [2023-05-20 07:03:13,305 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 07:03:13,307 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 07:03:13,308 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 07:03:13,312 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 07:03:13,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 07:03:11" (1/3) ... [2023-05-20 07:03:13,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a9cb762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 07:03:13, skipping insertion in model container [2023-05-20 07:03:13,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 07:03:12" (2/3) ... [2023-05-20 07:03:13,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a9cb762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 07:03:13, skipping insertion in model container [2023-05-20 07:03:13,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 07:03:13" (3/3) ... [2023-05-20 07:03:13,314 INFO L112 eAbstractionObserver]: Analyzing ICFG mix005_tso.oepc.i [2023-05-20 07:03:13,320 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 07:03:13,327 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 07:03:13,328 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-05-20 07:03:13,328 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 07:03:13,408 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-05-20 07:03:13,475 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 07:03:13,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 07:03:13,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 07:03:13,477 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) [2023-05-20 07:03:13,478 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 [2023-05-20 07:03:13,514 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 07:03:13,535 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 07:03:13,544 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;@53e2893a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 07:03:13,544 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-05-20 07:03:14,112 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 07:03:14,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 07:03:14,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1143932989, now seen corresponding path program 1 times [2023-05-20 07:03:14,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 07:03:14,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980120061] [2023-05-20 07:03:14,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 07:03:14,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 07:03:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 07:03:15,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 07:03:15,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 07:03:15,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980120061] [2023-05-20 07:03:15,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980120061] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 07:03:15,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 07:03:15,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-20 07:03:15,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998689779] [2023-05-20 07:03:15,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 07:03:15,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-20 07:03:15,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 07:03:15,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-20 07:03:15,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-05-20 07:03:15,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 07:03:15,566 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 07:03:15,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 7 states have internal predecessors, (109), 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) [2023-05-20 07:03:15,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 07:03:15,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 07:03:15,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 07:03:15,781 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 07:03:15,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 07:03:15,781 INFO L85 PathProgramCache]: Analyzing trace with hash 463846168, now seen corresponding path program 1 times [2023-05-20 07:03:15,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 07:03:15,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925697208] [2023-05-20 07:03:15,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 07:03:15,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 07:03:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 07:03:16,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 07:03:16,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 07:03:16,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925697208] [2023-05-20 07:03:16,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925697208] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 07:03:16,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 07:03:16,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-05-20 07:03:16,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142850078] [2023-05-20 07:03:16,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 07:03:16,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-05-20 07:03:16,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 07:03:16,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-05-20 07:03:16,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-05-20 07:03:16,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 07:03:16,229 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 07:03:16,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 9 states have internal predecessors, (112), 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) [2023-05-20 07:03:16,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 07:03:16,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 07:03:16,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 07:03:16,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 07:03:16,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 07:03:16,466 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 07:03:16,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 07:03:16,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1686637536, now seen corresponding path program 1 times [2023-05-20 07:03:16,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 07:03:16,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238170517] [2023-05-20 07:03:16,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 07:03:16,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 07:03:16,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 07:03:17,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 07:03:17,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 07:03:17,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238170517] [2023-05-20 07:03:17,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238170517] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 07:03:17,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 07:03:17,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-05-20 07:03:17,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910758164] [2023-05-20 07:03:17,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 07:03:17,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-05-20 07:03:17,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 07:03:17,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-05-20 07:03:17,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-05-20 07:03:17,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 07:03:17,506 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 07:03:17,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.846153846153847) internal successors, (115), 13 states have internal predecessors, (115), 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) [2023-05-20 07:03:17,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 07:03:17,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 07:03:17,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 07:03:23,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 07:03:23,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 07:03:23,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 07:03:23,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-20 07:03:23,306 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 07:03:23,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 07:03:23,307 INFO L85 PathProgramCache]: Analyzing trace with hash 878315680, now seen corresponding path program 2 times [2023-05-20 07:03:23,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 07:03:23,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111140627] [2023-05-20 07:03:23,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 07:03:23,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 07:03:23,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 07:03:25,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 07:03:25,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 07:03:25,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111140627] [2023-05-20 07:03:25,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111140627] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 07:03:25,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 07:03:25,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-05-20 07:03:25,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391118813] [2023-05-20 07:03:25,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 07:03:25,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-05-20 07:03:25,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 07:03:25,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-05-20 07:03:25,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2023-05-20 07:03:25,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 07:03:25,336 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 07:03:25,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.1875) internal successors, (115), 16 states have internal predecessors, (115), 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) [2023-05-20 07:03:25,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 07:03:25,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-20 07:03:25,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 07:03:25,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 07:03:27,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 07:03:27,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 07:03:27,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 07:03:27,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-20 07:03:27,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-20 07:03:27,545 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 07:03:27,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 07:03:27,546 INFO L85 PathProgramCache]: Analyzing trace with hash -694851748, now seen corresponding path program 3 times [2023-05-20 07:03:27,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 07:03:27,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176086791] [2023-05-20 07:03:27,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 07:03:27,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 07:03:27,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 07:03:30,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 07:03:30,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 07:03:30,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176086791] [2023-05-20 07:03:30,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176086791] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 07:03:30,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 07:03:30,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-05-20 07:03:30,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604770134] [2023-05-20 07:03:30,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 07:03:30,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-05-20 07:03:30,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 07:03:30,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-05-20 07:03:30,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2023-05-20 07:03:30,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 07:03:30,111 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 07:03:30,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.388888888888889) internal successors, (115), 18 states have internal predecessors, (115), 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) [2023-05-20 07:03:30,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 07:03:30,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2023-05-20 07:03:30,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 07:03:30,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-20 07:03:30,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 07:03:32,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 07:03:32,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-05-20 07:03:32,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 07:03:32,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-20 07:03:32,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 07:03:32,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-20 07:03:32,361 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 07:03:32,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 07:03:32,361 INFO L85 PathProgramCache]: Analyzing trace with hash -212930144, now seen corresponding path program 4 times [2023-05-20 07:03:32,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 07:03:32,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994775500] [2023-05-20 07:03:32,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 07:03:32,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 07:03:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-20 07:03:32,411 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-05-20 07:03:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-20 07:03:32,528 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-05-20 07:03:32,528 INFO L359 BasicCegarLoop]: Counterexample is feasible [2023-05-20 07:03:32,529 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2023-05-20 07:03:32,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2023-05-20 07:03:32,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-05-20 07:03:32,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2023-05-20 07:03:32,535 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2023-05-20 07:03:32,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-05-20 07:03:32,547 INFO L444 BasicCegarLoop]: Path program histogram: [4, 1, 1] [2023-05-20 07:03:32,549 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (1/2) [2023-05-20 07:03:32,554 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 07:03:32,554 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 07:03:32,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 07:03:32 BasicIcfg [2023-05-20 07:03:32,711 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 07:03:32,712 INFO L158 Benchmark]: Toolchain (without parser) took 20746.18ms. Allocated memory was 180.4MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 158.2MB in the beginning and 928.8MB in the end (delta: -770.6MB). Peak memory consumption was 413.9MB. Max. memory is 8.0GB. [2023-05-20 07:03:32,712 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 180.4MB. Free memory was 139.7MB in the beginning and 139.5MB in the end (delta: 151.8kB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 07:03:32,713 INFO L158 Benchmark]: CACSL2BoogieTranslator took 503.80ms. Allocated memory is still 180.4MB. Free memory was 157.9MB in the beginning and 140.8MB in the end (delta: 17.1MB). Peak memory consumption was 21.2MB. Max. memory is 8.0GB. [2023-05-20 07:03:32,714 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.96ms. Allocated memory is still 180.4MB. Free memory was 140.8MB in the beginning and 138.0MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-20 07:03:32,714 INFO L158 Benchmark]: Boogie Preprocessor took 35.12ms. Allocated memory is still 180.4MB. Free memory was 138.0MB in the beginning and 135.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 07:03:32,715 INFO L158 Benchmark]: RCFGBuilder took 738.36ms. Allocated memory is still 180.4MB. Free memory was 135.8MB in the beginning and 97.1MB in the end (delta: 38.7MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. [2023-05-20 07:03:32,715 INFO L158 Benchmark]: TraceAbstraction took 19404.11ms. Allocated memory was 180.4MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 96.1MB in the beginning and 928.8MB in the end (delta: -832.8MB). Peak memory consumption was 352.9MB. Max. memory is 8.0GB. [2023-05-20 07:03:32,716 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 180.4MB. Free memory was 139.7MB in the beginning and 139.5MB in the end (delta: 151.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 503.80ms. Allocated memory is still 180.4MB. Free memory was 157.9MB in the beginning and 140.8MB in the end (delta: 17.1MB). Peak memory consumption was 21.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 56.96ms. Allocated memory is still 180.4MB. Free memory was 140.8MB in the beginning and 138.0MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 35.12ms. Allocated memory is still 180.4MB. Free memory was 138.0MB in the beginning and 135.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 738.36ms. Allocated memory is still 180.4MB. Free memory was 135.8MB in the beginning and 97.1MB in the end (delta: 38.7MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. * TraceAbstraction took 19404.11ms. Allocated memory was 180.4MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 96.1MB in the beginning and 928.8MB in the end (delta: -832.8MB). Peak memory consumption was 352.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 604586, independent: 584554, independent conditional: 581494, independent unconditional: 3060, dependent: 20032, dependent conditional: 19977, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 590878, independent: 584554, independent conditional: 581494, independent unconditional: 3060, dependent: 6324, dependent conditional: 6269, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 590878, independent: 584554, independent conditional: 581494, independent unconditional: 3060, dependent: 6324, dependent conditional: 6269, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 640814, independent: 584554, independent conditional: 17146, independent unconditional: 567408, dependent: 56260, dependent conditional: 32790, dependent unconditional: 23470, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 640814, independent: 584554, independent conditional: 17146, independent unconditional: 567408, dependent: 56260, dependent conditional: 8058, dependent unconditional: 48202, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 640814, independent: 584554, independent conditional: 17146, independent unconditional: 567408, dependent: 56260, dependent conditional: 8058, dependent unconditional: 48202, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3250, independent: 3146, independent conditional: 86, independent unconditional: 3060, dependent: 104, dependent conditional: 45, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3250, independent: 3045, independent conditional: 0, independent unconditional: 3045, dependent: 205, dependent conditional: 0, dependent unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 205, independent: 101, independent conditional: 86, independent unconditional: 15, dependent: 104, dependent conditional: 45, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 205, independent: 101, independent conditional: 86, independent unconditional: 15, dependent: 104, dependent conditional: 45, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1433, independent: 625, independent conditional: 552, independent unconditional: 72, dependent: 809, dependent conditional: 307, dependent unconditional: 502, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 640814, independent: 581408, independent conditional: 17060, independent unconditional: 564348, dependent: 56156, dependent conditional: 8013, dependent unconditional: 48143, unknown: 3250, unknown conditional: 131, unknown unconditional: 3119] , Statistics on independence cache: Total cache size (in pairs): 3250, Positive cache size: 3146, Positive conditional cache size: 86, Positive unconditional cache size: 3060, Negative cache size: 104, Negative conditional cache size: 45, Negative unconditional cache size: 59, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 24732, Maximal queried relation: 5, Independence queries for same thread: 13708 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 1.9s, Number of persistent set computation: 25464, Number of trivial persistent sets: 17782, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3115, independent: 3060, independent conditional: 0, independent unconditional: 3060, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 604586, independent: 584554, independent conditional: 581494, independent unconditional: 3060, dependent: 20032, dependent conditional: 19977, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 590878, independent: 584554, independent conditional: 581494, independent unconditional: 3060, dependent: 6324, dependent conditional: 6269, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 590878, independent: 584554, independent conditional: 581494, independent unconditional: 3060, dependent: 6324, dependent conditional: 6269, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 640814, independent: 584554, independent conditional: 17146, independent unconditional: 567408, dependent: 56260, dependent conditional: 32790, dependent unconditional: 23470, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 640814, independent: 584554, independent conditional: 17146, independent unconditional: 567408, dependent: 56260, dependent conditional: 8058, dependent unconditional: 48202, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 640814, independent: 584554, independent conditional: 17146, independent unconditional: 567408, dependent: 56260, dependent conditional: 8058, dependent unconditional: 48202, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3250, independent: 3146, independent conditional: 86, independent unconditional: 3060, dependent: 104, dependent conditional: 45, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3250, independent: 3045, independent conditional: 0, independent unconditional: 3045, dependent: 205, dependent conditional: 0, dependent unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 205, independent: 101, independent conditional: 86, independent unconditional: 15, dependent: 104, dependent conditional: 45, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 205, independent: 101, independent conditional: 86, independent unconditional: 15, dependent: 104, dependent conditional: 45, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1433, independent: 625, independent conditional: 552, independent unconditional: 72, dependent: 809, dependent conditional: 307, dependent unconditional: 502, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 640814, independent: 581408, independent conditional: 17060, independent unconditional: 564348, dependent: 56156, dependent conditional: 8013, dependent unconditional: 48143, unknown: 3250, unknown conditional: 131, unknown unconditional: 3119] , Statistics on independence cache: Total cache size (in pairs): 3250, Positive cache size: 3146, Positive conditional cache size: 86, Positive unconditional cache size: 3060, Negative cache size: 104, Negative conditional cache size: 45, Negative unconditional cache size: 59, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 24732, Maximal queried relation: 5, Independence queries for same thread: 13708 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L716] 0 int __unbuffered_p2_EBX = 0; VAL [__unbuffered_p2_EBX=0] [L727] 0 _Bool x$flush_delayed; VAL [__unbuffered_p2_EBX=0, x$flush_delayed=0] [L740] 0 int *x$read_delayed_var; VAL [__unbuffered_p2_EBX=0, x$flush_delayed=0, x$read_delayed_var={0:0}] [L749] 0 _Bool weak$$choice0; VAL [__unbuffered_p2_EBX=0, weak$$choice0=0, x$flush_delayed=0, x$read_delayed_var={0:0}] [L750] 0 _Bool weak$$choice2; VAL [__unbuffered_p2_EBX=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$read_delayed_var={0:0}] [L728] 0 int x$mem_tmp; VAL [__unbuffered_p2_EBX=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$read_delayed_var={0:0}] [L732] 0 _Bool x$r_buff0_thd3; VAL [__unbuffered_p2_EBX=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd3=0, x$read_delayed_var={0:0}] [L733] 0 _Bool x$r_buff0_thd4; VAL [__unbuffered_p2_EBX=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$read_delayed_var={0:0}] [L730] 0 _Bool x$r_buff0_thd1; VAL [__unbuffered_p2_EBX=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd1=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$read_delayed_var={0:0}] [L712] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_p1_EAX=0, __unbuffered_p2_EBX=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd1=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$read_delayed_var={0:0}] [L731] 0 _Bool x$r_buff0_thd2; VAL [__unbuffered_p1_EAX=0, __unbuffered_p2_EBX=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$read_delayed_var={0:0}] [L720] 0 int __unbuffered_p3_EBX = 0; VAL [__unbuffered_p1_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EBX=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$read_delayed_var={0:0}] [L729] 0 _Bool x$r_buff0_thd0; VAL [__unbuffered_p1_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EBX=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$read_delayed_var={0:0}] [L722] 0 int a = 0; VAL [__unbuffered_p1_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EBX=0, a=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$read_delayed_var={0:0}] [L714] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EBX=0, a=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$read_delayed_var={0:0}] [L739] 0 _Bool x$read_delayed; VAL [__unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EBX=0, a=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}] [L710] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EBX=0, a=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}] [L724] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}] [L744] 0 _Bool x$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff1_used=0] [L723] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff1_used=0] [L718] 0 int __unbuffered_p3_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff1_used=0] [L742] 0 _Bool x$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0_used=0, x$w_buff1_used=0] [L741] 0 int x$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1_used=0] [L743] 0 int x$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0] [L726] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0] [L735] 0 _Bool x$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd1=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0] [L734] 0 _Bool x$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0] [L746] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L748] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L738] 0 _Bool x$r_buff1_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L737] 0 _Bool x$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L736] 0 _Bool x$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L858] 0 pthread_t t145; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t145={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L859] FCALL, FORK 0 pthread_create(&t145, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t145, ((void *)0), P0, ((void *)0))=-3, t145={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L860] 0 pthread_t t146; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t145={5:0}, t146={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L861] FCALL, FORK 0 pthread_create(&t146, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t146, ((void *)0), P1, ((void *)0))=-2, t145={5:0}, t146={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L774] 2 x$w_buff1 = x$w_buff0 [L775] 2 x$w_buff0 = 2 [L776] 2 x$w_buff1_used = x$w_buff0_used [L777] 2 x$w_buff0_used = (_Bool)1 [L778] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L18] COND FALSE 2 !(!expression) [L778] RET 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L779] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L780] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L781] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L782] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L783] 2 x$r_buff1_thd4 = x$r_buff0_thd4 [L784] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L787] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L862] 0 pthread_t t147; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t145={5:0}, t146={6:0}, t147={7:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L863] FCALL, FORK 0 pthread_create(&t147, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t147, ((void *)0), P2, ((void *)0))=-1, t145={5:0}, t146={6:0}, t147={7:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L804] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L807] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L810] 3 __unbuffered_p2_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L813] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L814] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L815] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L816] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L817] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L820] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L822] 3 return 0; VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L864] 0 pthread_t t148; VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t145={5:0}, t146={6:0}, t147={7:0}, t148={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L865] FCALL, FORK 0 pthread_create(&t148, ((void *)0), P3, ((void *)0)) VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t148, ((void *)0), P3, ((void *)0))=0, t145={5:0}, t146={6:0}, t147={7:0}, t148={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L827] 4 z = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L830] 4 __unbuffered_p3_EAX = z VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L833] 4 __unbuffered_p3_EBX = a VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L754] 1 a = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L757] 1 x = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L760] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L761] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L762] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L763] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L764] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L767] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L769] 1 return 0; VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L790] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L791] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L792] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L793] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L794] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L797] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L799] 2 return 0; VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L836] 4 x = x$w_buff0_used && x$r_buff0_thd4 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd4 ? x$w_buff1 : x) [L837] 4 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd4 ? (_Bool)0 : x$w_buff0_used [L838] 4 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd4 || x$w_buff1_used && x$r_buff1_thd4 ? (_Bool)0 : x$w_buff1_used [L839] 4 x$r_buff0_thd4 = x$w_buff0_used && x$r_buff0_thd4 ? (_Bool)0 : x$r_buff0_thd4 [L840] 4 x$r_buff1_thd4 = x$w_buff0_used && x$r_buff0_thd4 || x$w_buff1_used && x$r_buff1_thd4 ? (_Bool)0 : x$r_buff1_thd4 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L843] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L867] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t145={5:0}, t146={6:0}, t147={7:0}, t148={3:0}, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L869] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L869] RET 0 assume_abort_if_not(main$tmp_guard0) [L871] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L872] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L873] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L874] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L875] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t145={5:0}, t146={6:0}, t147={7:0}, t148={3:0}, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L878] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L879] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L880] 0 x$flush_delayed = weak$$choice2 [L881] 0 x$mem_tmp = x [L882] 0 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L883] 0 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L884] 0 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L885] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L886] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L887] 0 x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L888] 0 x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L889] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L890] 0 x = x$flush_delayed ? x$mem_tmp : x [L891] 0 x$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t145={5:0}, t146={6:0}, t147={7:0}, t148={3:0}, weak$$choice0=49, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L893] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=0, \old(expression)=1, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L18] 0 reach_error() VAL [\old(expression)=1, \old(expression)=0, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] - UnprovableResult [Line: 865]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 861]: 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: 863]: 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: 859]: 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, 178 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 19.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 11.3s, 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: 72, 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, 0.6s SatisfiabilityAnalysisTime, 6.7s InterpolantComputationTime, 681 NumberOfCodeBlocks, 681 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 561 ConstructedInterpolants, 0 QuantifiedInterpolants, 5376 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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! [2023-05-20 07:03:32,759 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 [2023-05-20 07:03:32,969 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...