/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 GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix027_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 04:07:54,857 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 04:07:54,858 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 04:07:54,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 04:07:54,885 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 04:07:54,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 04:07:54,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 04:07:54,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 04:07:54,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 04:07:54,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 04:07:54,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 04:07:54,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 04:07:54,901 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 04:07:54,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 04:07:54,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 04:07:54,902 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 04:07:54,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 04:07:54,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 04:07:54,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 04:07:54,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 04:07:54,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 04:07:54,909 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 04:07:54,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 04:07:54,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 04:07:54,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-05-20 04:07:54,918 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 04:07:54,919 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 04:07:54,919 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 04:07:54,920 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 04:07:54,941 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 04:07:54,941 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 04:07:54,942 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 04:07:54,942 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 04:07:54,943 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 04:07:54,943 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 04:07:54,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 04:07:54,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 04:07:54,943 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 04:07:54,943 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 04:07:54,944 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 04:07:54,944 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 04:07:54,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 04:07:54,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 04:07:54,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 04:07:54,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 04:07:54,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 04:07:54,945 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 04:07:54,945 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 04:07:54,945 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 04:07:54,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 04:07:54,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 04:07:54,945 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 04:07:54,945 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 04:07:54,945 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 04:07:54,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 04:07:54,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 04:07:54,946 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 04:07:54,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 04:07:54,946 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 04:07:54,946 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 04:07:54,946 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 04:07:54,946 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 04:07:54,946 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 04:07:54,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 04:07:54,946 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 04:07:54,947 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-20 04:07:55,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 04:07:55,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 04:07:55,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 04:07:55,164 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 04:07:55,166 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 04:07:55,167 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix027_tso.i [2023-05-20 04:07:55,204 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/899ec9976/cc8b4a6e6342451a9c8eefefdbf3d9e7/FLAGbda87d3a8 [2023-05-20 04:07:55,615 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 04:07:55,615 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix027_tso.i [2023-05-20 04:07:55,633 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/899ec9976/cc8b4a6e6342451a9c8eefefdbf3d9e7/FLAGbda87d3a8 [2023-05-20 04:07:55,962 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/899ec9976/cc8b4a6e6342451a9c8eefefdbf3d9e7 [2023-05-20 04:07:55,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 04:07:55,964 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 04:07:55,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 04:07:55,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 04:07:55,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 04:07:55,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 04:07:55" (1/1) ... [2023-05-20 04:07:55,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29480202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:07:55, skipping insertion in model container [2023-05-20 04:07:55,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 04:07:55" (1/1) ... [2023-05-20 04:07:55,976 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 04:07:56,023 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 04:07:56,163 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/mix027_tso.i[944,957] [2023-05-20 04:07:56,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 04:07:56,324 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 04:07:56,334 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/mix027_tso.i[944,957] [2023-05-20 04:07:56,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 04:07:56,404 INFO L208 MainTranslator]: Completed translation [2023-05-20 04:07:56,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:07:56 WrapperNode [2023-05-20 04:07:56,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 04:07:56,406 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 04:07:56,406 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 04:07:56,406 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 04:07:56,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:07:56" (1/1) ... [2023-05-20 04:07:56,440 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:07:56" (1/1) ... [2023-05-20 04:07:56,468 INFO L138 Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 159 [2023-05-20 04:07:56,469 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 04:07:56,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 04:07:56,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 04:07:56,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 04:07:56,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:07:56" (1/1) ... [2023-05-20 04:07:56,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:07:56" (1/1) ... [2023-05-20 04:07:56,487 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:07:56" (1/1) ... [2023-05-20 04:07:56,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:07:56" (1/1) ... [2023-05-20 04:07:56,496 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:07:56" (1/1) ... [2023-05-20 04:07:56,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:07:56" (1/1) ... [2023-05-20 04:07:56,499 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:07:56" (1/1) ... [2023-05-20 04:07:56,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:07:56" (1/1) ... [2023-05-20 04:07:56,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 04:07:56,503 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 04:07:56,503 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 04:07:56,503 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 04:07:56,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:07:56" (1/1) ... [2023-05-20 04:07:56,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 04:07:56,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 04:07:56,534 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 04:07:56,546 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 04:07:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 04:07:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-20 04:07:56,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 04:07:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 04:07:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 04:07:56,568 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-05-20 04:07:56,568 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-05-20 04:07:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-05-20 04:07:56,569 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-05-20 04:07:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-05-20 04:07:56,569 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-05-20 04:07:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-05-20 04:07:56,569 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-05-20 04:07:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 04:07:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-20 04:07:56,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 04:07:56,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 04:07:56,571 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 04:07:56,664 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 04:07:56,665 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 04:07:56,989 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 04:07:57,073 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 04:07:57,073 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-20 04:07:57,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 04:07:57 BoogieIcfgContainer [2023-05-20 04:07:57,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 04:07:57,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 04:07:57,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 04:07:57,079 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 04:07:57,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 04:07:55" (1/3) ... [2023-05-20 04:07:57,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a37aeb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 04:07:57, skipping insertion in model container [2023-05-20 04:07:57,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 04:07:56" (2/3) ... [2023-05-20 04:07:57,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a37aeb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 04:07:57, skipping insertion in model container [2023-05-20 04:07:57,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 04:07:57" (3/3) ... [2023-05-20 04:07:57,082 INFO L112 eAbstractionObserver]: Analyzing ICFG mix027_tso.i [2023-05-20 04:07:57,088 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 04:07:57,095 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 04:07:57,096 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-05-20 04:07:57,096 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 04:07:57,136 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-05-20 04:07:57,187 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 04:07:57,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 04:07:57,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 04:07:57,190 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 04:07:57,204 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 04:07:57,234 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 04:07:57,254 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 04:07:57,270 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;@381bf34e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 04:07:57,270 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-05-20 04:07:57,761 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 04:07:57,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:07:57,766 INFO L85 PathProgramCache]: Analyzing trace with hash 296758936, now seen corresponding path program 1 times [2023-05-20 04:07:57,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:07:57,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104527094] [2023-05-20 04:07:57,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:07:57,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:07:57,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:07:58,544 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 04:07:58,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:07:58,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104527094] [2023-05-20 04:07:58,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104527094] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 04:07:58,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 04:07:58,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-05-20 04:07:58,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862978810] [2023-05-20 04:07:58,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:07:58,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-05-20 04:07:58,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:07:58,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-05-20 04:07:58,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-05-20 04:07:58,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:07:58,571 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:07:58,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 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 04:07:58,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:07:58,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:07:58,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 04:07:58,757 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 04:07:58,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:07:58,758 INFO L85 PathProgramCache]: Analyzing trace with hash 724453680, now seen corresponding path program 1 times [2023-05-20 04:07:58,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:07:58,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942745757] [2023-05-20 04:07:58,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:07:58,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:07:58,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:07:59,151 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 04:07:59,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:07:59,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942745757] [2023-05-20 04:07:59,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942745757] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 04:07:59,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 04:07:59,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-20 04:07:59,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684412539] [2023-05-20 04:07:59,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:07:59,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-20 04:07:59,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:07:59,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-20 04:07:59,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-05-20 04:07:59,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:07:59,154 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:07:59,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 7 states have internal predecessors, (108), 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 04:07:59,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:07:59,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:08:02,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:08:02,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 04:08:02,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 04:08:02,870 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 04:08:02,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:08:02,870 INFO L85 PathProgramCache]: Analyzing trace with hash -178198869, now seen corresponding path program 1 times [2023-05-20 04:08:02,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:08:02,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021519272] [2023-05-20 04:08:02,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:08:02,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:08:02,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:08:03,148 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 04:08:03,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:08:03,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021519272] [2023-05-20 04:08:03,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021519272] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 04:08:03,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 04:08:03,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-20 04:08:03,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136025954] [2023-05-20 04:08:03,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:08:03,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-20 04:08:03,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:08:03,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-20 04:08:03,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-05-20 04:08:03,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:08:03,151 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:08:03,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 7 states have internal predecessors, (105), 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 04:08:03,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:08:03,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 04:08:03,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:08:06,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:08:06,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 04:08:06,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 04:08:06,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-20 04:08:06,315 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 04:08:06,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:08:06,315 INFO L85 PathProgramCache]: Analyzing trace with hash -40712918, now seen corresponding path program 1 times [2023-05-20 04:08:06,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:08:06,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270117885] [2023-05-20 04:08:06,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:08:06,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:08:06,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:08:06,870 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 04:08:06,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:08:06,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270117885] [2023-05-20 04:08:06,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270117885] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 04:08:06,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 04:08:06,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-05-20 04:08:06,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9105131] [2023-05-20 04:08:06,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:08:06,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-20 04:08:06,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:08:06,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-20 04:08:06,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-05-20 04:08:06,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:08:06,876 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:08:06,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 8 states have internal predecessors, (111), 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 04:08:06,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:08:06,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 04:08:06,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 04:08:06,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:08:09,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:08:09,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 04:08:09,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 04:08:09,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 04:08:09,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-20 04:08:09,501 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 04:08:09,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:08:09,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1230835758, now seen corresponding path program 1 times [2023-05-20 04:08:09,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:08:09,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94758146] [2023-05-20 04:08:09,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:08:09,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:08:09,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:08:09,761 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 04:08:09,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:08:09,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94758146] [2023-05-20 04:08:09,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94758146] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 04:08:09,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 04:08:09,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-05-20 04:08:09,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872612396] [2023-05-20 04:08:09,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:08:09,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-20 04:08:09,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:08:09,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-20 04:08:09,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-05-20 04:08:09,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:08:09,765 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:08:09,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.375) internal successors, (107), 8 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 04:08:09,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:08:09,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 04:08:09,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 04:08:09,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 04:08:09,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:08:13,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:08:13,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 04:08:13,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 04:08:13,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 04:08:13,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 04:08:13,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-20 04:08:13,398 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 04:08:13,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:08:13,398 INFO L85 PathProgramCache]: Analyzing trace with hash -2123265883, now seen corresponding path program 1 times [2023-05-20 04:08:13,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:08:13,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375698293] [2023-05-20 04:08:13,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:08:13,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:08:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:08:14,571 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 04:08:14,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:08:14,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375698293] [2023-05-20 04:08:14,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375698293] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 04:08:14,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 04:08:14,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-05-20 04:08:14,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211998142] [2023-05-20 04:08:14,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:08:14,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-05-20 04:08:14,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:08:14,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-05-20 04:08:14,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2023-05-20 04:08:14,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:08:14,575 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:08:14,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.125) internal successors, (114), 16 states have internal predecessors, (114), 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 04:08:14,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:08:14,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 04:08:14,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 04:08:14,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 04:08:14,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 04:08:14,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:08:17,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:08:17,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 04:08:17,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 04:08:17,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 04:08:17,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 04:08:17,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-20 04:08:17,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-05-20 04:08:17,549 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 04:08:17,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:08:17,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1272486523, now seen corresponding path program 2 times [2023-05-20 04:08:17,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:08:17,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936386178] [2023-05-20 04:08:17,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:08:17,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:08:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:08:19,094 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 04:08:19,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:08:19,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936386178] [2023-05-20 04:08:19,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936386178] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 04:08:19,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 04:08:19,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-05-20 04:08:19,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87608113] [2023-05-20 04:08:19,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:08:19,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-05-20 04:08:19,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:08:19,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-05-20 04:08:19,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2023-05-20 04:08:19,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:08:19,108 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:08:19,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.142857142857142) internal successors, (114), 14 states have internal predecessors, (114), 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 04:08:19,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:08:19,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 04:08:19,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 04:08:19,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 04:08:19,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 04:08:19,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-20 04:08:19,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:08:22,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:08:22,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 04:08:22,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 04:08:22,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 04:08:22,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 04:08:22,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-20 04:08:22,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 04:08:22,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-05-20 04:08:22,584 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 04:08:22,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:08:22,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1394957157, now seen corresponding path program 3 times [2023-05-20 04:08:22,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:08:22,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104509574] [2023-05-20 04:08:22,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:08:22,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:08:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 04:08:24,105 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 04:08:24,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 04:08:24,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104509574] [2023-05-20 04:08:24,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104509574] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 04:08:24,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 04:08:24,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-05-20 04:08:24,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828124904] [2023-05-20 04:08:24,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 04:08:24,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-05-20 04:08:24,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 04:08:24,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-05-20 04:08:24,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2023-05-20 04:08:24,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:08:24,107 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 04:08:24,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.125) internal successors, (114), 16 states have internal predecessors, (114), 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 04:08:24,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:08:24,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 04:08:24,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 04:08:24,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 04:08:24,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 04:08:24,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-20 04:08:24,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 04:08:24,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 04:08:27,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-05-20 04:08:27,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 04:08:27,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 04:08:27,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 04:08:27,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 04:08:27,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-20 04:08:27,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 04:08:27,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 04:08:27,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-05-20 04:08:27,408 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 04:08:27,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 04:08:27,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1246269063, now seen corresponding path program 4 times [2023-05-20 04:08:27,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 04:08:27,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689615293] [2023-05-20 04:08:27,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 04:08:27,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 04:08:27,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-20 04:08:27,442 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-05-20 04:08:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-20 04:08:27,544 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-05-20 04:08:27,544 INFO L359 BasicCegarLoop]: Counterexample is feasible [2023-05-20 04:08:27,545 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2023-05-20 04:08:27,546 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2023-05-20 04:08:27,546 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-05-20 04:08:27,547 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2023-05-20 04:08:27,547 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2023-05-20 04:08:27,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-05-20 04:08:27,556 INFO L444 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1] [2023-05-20 04:08:27,557 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (1/2) [2023-05-20 04:08:27,560 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 04:08:27,560 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 04:08:27,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 04:08:27 BasicIcfg [2023-05-20 04:08:27,673 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 04:08:27,673 INFO L158 Benchmark]: Toolchain (without parser) took 31708.97ms. Allocated memory was 191.9MB in the beginning and 5.5GB in the end (delta: 5.3GB). Free memory was 161.9MB in the beginning and 4.9GB in the end (delta: -4.8GB). Peak memory consumption was 554.2MB. Max. memory is 8.0GB. [2023-05-20 04:08:27,674 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 191.9MB. Free memory is still 147.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 04:08:27,674 INFO L158 Benchmark]: CACSL2BoogieTranslator took 439.54ms. Allocated memory was 191.9MB in the beginning and 303.0MB in the end (delta: 111.1MB). Free memory was 161.7MB in the beginning and 258.2MB in the end (delta: -96.5MB). Peak memory consumption was 20.7MB. Max. memory is 8.0GB. [2023-05-20 04:08:27,675 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.11ms. Allocated memory is still 303.0MB. Free memory was 258.2MB in the beginning and 255.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-20 04:08:27,676 INFO L158 Benchmark]: Boogie Preprocessor took 33.16ms. Allocated memory is still 303.0MB. Free memory was 255.6MB in the beginning and 253.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 04:08:27,677 INFO L158 Benchmark]: RCFGBuilder took 572.41ms. Allocated memory is still 303.0MB. Free memory was 253.5MB in the beginning and 216.3MB in the end (delta: 37.2MB). Peak memory consumption was 36.7MB. Max. memory is 8.0GB. [2023-05-20 04:08:27,677 INFO L158 Benchmark]: TraceAbstraction took 30596.19ms. Allocated memory was 303.0MB in the beginning and 5.5GB in the end (delta: 5.2GB). Free memory was 214.7MB in the beginning and 4.9GB in the end (delta: -4.7GB). Peak memory consumption was 496.1MB. Max. memory is 8.0GB. [2023-05-20 04:08:27,678 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 191.9MB. Free memory is still 147.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 439.54ms. Allocated memory was 191.9MB in the beginning and 303.0MB in the end (delta: 111.1MB). Free memory was 161.7MB in the beginning and 258.2MB in the end (delta: -96.5MB). Peak memory consumption was 20.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 63.11ms. Allocated memory is still 303.0MB. Free memory was 258.2MB in the beginning and 255.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.16ms. Allocated memory is still 303.0MB. Free memory was 255.6MB in the beginning and 253.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 572.41ms. Allocated memory is still 303.0MB. Free memory was 253.5MB in the beginning and 216.3MB in the end (delta: 37.2MB). Peak memory consumption was 36.7MB. Max. memory is 8.0GB. * TraceAbstraction took 30596.19ms. Allocated memory was 303.0MB in the beginning and 5.5GB in the end (delta: 5.2GB). Free memory was 214.7MB in the beginning and 4.9GB in the end (delta: -4.7GB). Peak memory consumption was 496.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2502163, independent: 2316558, independent conditional: 2313463, independent unconditional: 3095, dependent: 185605, dependent conditional: 185533, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2385693, independent: 2316558, independent conditional: 2313463, independent unconditional: 3095, dependent: 69135, dependent conditional: 69063, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2385693, independent: 2316558, independent conditional: 2313463, independent unconditional: 3095, dependent: 69135, dependent conditional: 69063, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2805529, independent: 2316558, independent conditional: 66808, independent unconditional: 2249750, dependent: 488971, dependent conditional: 353028, dependent unconditional: 135943, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2805529, independent: 2316558, independent conditional: 66808, independent unconditional: 2249750, dependent: 488971, dependent conditional: 75788, dependent unconditional: 413183, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2805529, independent: 2316558, independent conditional: 66808, independent unconditional: 2249750, dependent: 488971, dependent conditional: 75788, dependent unconditional: 413183, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3426, independent: 3213, independent conditional: 118, independent unconditional: 3095, dependent: 213, dependent conditional: 136, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3426, independent: 3080, independent conditional: 0, independent unconditional: 3080, dependent: 346, dependent conditional: 0, dependent unconditional: 346, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 346, independent: 133, independent conditional: 118, independent unconditional: 15, dependent: 213, dependent conditional: 136, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 346, independent: 133, independent conditional: 118, independent unconditional: 15, dependent: 213, dependent conditional: 136, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2488, independent: 803, independent conditional: 750, independent unconditional: 53, dependent: 1684, dependent conditional: 1145, dependent unconditional: 539, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2805529, independent: 2313345, independent conditional: 66690, independent unconditional: 2246655, dependent: 488758, dependent conditional: 75652, dependent unconditional: 413106, unknown: 3426, unknown conditional: 254, unknown unconditional: 3172] , Statistics on independence cache: Total cache size (in pairs): 3426, Positive cache size: 3213, Positive conditional cache size: 118, Positive unconditional cache size: 3095, Negative cache size: 213, Negative conditional cache size: 136, Negative unconditional cache size: 77, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 277240, Maximal queried relation: 8, Independence queries for same thread: 116470 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 2.4s, Number of persistent set computation: 46609, Number of trivial persistent sets: 20758, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3167, independent: 3095, independent conditional: 0, independent unconditional: 3095, dependent: 72, dependent conditional: 0, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2502163, independent: 2316558, independent conditional: 2313463, independent unconditional: 3095, dependent: 185605, dependent conditional: 185533, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2385693, independent: 2316558, independent conditional: 2313463, independent unconditional: 3095, dependent: 69135, dependent conditional: 69063, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2385693, independent: 2316558, independent conditional: 2313463, independent unconditional: 3095, dependent: 69135, dependent conditional: 69063, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2805529, independent: 2316558, independent conditional: 66808, independent unconditional: 2249750, dependent: 488971, dependent conditional: 353028, dependent unconditional: 135943, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2805529, independent: 2316558, independent conditional: 66808, independent unconditional: 2249750, dependent: 488971, dependent conditional: 75788, dependent unconditional: 413183, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2805529, independent: 2316558, independent conditional: 66808, independent unconditional: 2249750, dependent: 488971, dependent conditional: 75788, dependent unconditional: 413183, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3426, independent: 3213, independent conditional: 118, independent unconditional: 3095, dependent: 213, dependent conditional: 136, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3426, independent: 3080, independent conditional: 0, independent unconditional: 3080, dependent: 346, dependent conditional: 0, dependent unconditional: 346, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 346, independent: 133, independent conditional: 118, independent unconditional: 15, dependent: 213, dependent conditional: 136, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 346, independent: 133, independent conditional: 118, independent unconditional: 15, dependent: 213, dependent conditional: 136, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2488, independent: 803, independent conditional: 750, independent unconditional: 53, dependent: 1684, dependent conditional: 1145, dependent unconditional: 539, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2805529, independent: 2313345, independent conditional: 66690, independent unconditional: 2246655, dependent: 488758, dependent conditional: 75652, dependent unconditional: 413106, unknown: 3426, unknown conditional: 254, unknown unconditional: 3172] , Statistics on independence cache: Total cache size (in pairs): 3426, Positive cache size: 3213, Positive conditional cache size: 118, Positive unconditional cache size: 3095, Negative cache size: 213, Negative conditional cache size: 136, Negative unconditional cache size: 77, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 277240, Maximal queried relation: 8, Independence queries for same thread: 116470 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L723] 0 _Bool x$flush_delayed; VAL [x$flush_delayed=0] [L736] 0 int *x$read_delayed_var; VAL [x$flush_delayed=0, x$read_delayed_var={0:0}] [L745] 0 _Bool weak$$choice0; VAL [weak$$choice0=0, x$flush_delayed=0, x$read_delayed_var={0:0}] [L746] 0 _Bool weak$$choice2; VAL [weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$read_delayed_var={0:0}] [L724] 0 int x$mem_tmp; VAL [weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$read_delayed_var={0:0}] [L728] 0 _Bool x$r_buff0_thd3; VAL [weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd3=0, x$read_delayed_var={0:0}] [L729] 0 _Bool x$r_buff0_thd4; VAL [weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$read_delayed_var={0:0}] [L726] 0 _Bool x$r_buff0_thd1; VAL [weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd1=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$read_delayed_var={0:0}] [L712] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_p1_EAX=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd1=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$read_delayed_var={0:0}] [L727] 0 _Bool x$r_buff0_thd2; VAL [__unbuffered_p1_EAX=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$read_delayed_var={0:0}] [L716] 0 int __unbuffered_p3_EBX = 0; VAL [__unbuffered_p1_EAX=0, __unbuffered_p3_EBX=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$read_delayed_var={0:0}] [L725] 0 _Bool x$r_buff0_thd0; VAL [__unbuffered_p1_EAX=0, __unbuffered_p3_EBX=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$read_delayed_var={0:0}] [L718] 0 int a = 0; VAL [__unbuffered_p1_EAX=0, __unbuffered_p3_EBX=0, a=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$read_delayed_var={0:0}] [L735] 0 _Bool x$read_delayed; VAL [__unbuffered_p1_EAX=0, __unbuffered_p3_EBX=0, a=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}] [L710] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EBX=0, a=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}] [L720] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}] [L740] 0 _Bool x$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff1_used=0] [L719] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff1_used=0] [L714] 0 int __unbuffered_p3_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff1_used=0] [L738] 0 _Bool x$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0_used=0, x$w_buff1_used=0] [L737] 0 int x$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1_used=0] [L739] 0 int x$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0] [L722] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0] [L731] 0 _Bool x$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd1=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0] [L730] 0 _Bool x$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0] [L742] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L744] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L734] 0 _Bool x$r_buff1_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L733] 0 _Bool x$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L732] 0 _Bool x$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L851] 0 pthread_t t737; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t737={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L852] FCALL, FORK 0 pthread_create(&t737, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t737, ((void *)0), P0, ((void *)0))=-3, t737={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L853] 0 pthread_t t738; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t737={5:0}, t738={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L854] FCALL, FORK 0 pthread_create(&t738, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t738, ((void *)0), P1, ((void *)0))=-2, t737={5:0}, t738={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L770] 2 x$w_buff1 = x$w_buff0 [L771] 2 x$w_buff0 = 2 [L772] 2 x$w_buff1_used = x$w_buff0_used [L773] 2 x$w_buff0_used = (_Bool)1 [L774] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L18] COND FALSE 2 !(!expression) [L774] RET 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L775] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L776] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L777] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L778] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L779] 2 x$r_buff1_thd4 = x$r_buff0_thd4 [L780] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L783] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L855] 0 pthread_t t739; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t737={5:0}, t738={6:0}, t739={7:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L856] FCALL, FORK 0 pthread_create(&t739, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t739, ((void *)0), P2, ((void *)0))=-1, t737={5:0}, t738={6:0}, t739={7:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L857] 0 pthread_t t740; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t737={5:0}, t738={6:0}, t739={7:0}, t740={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L858] FCALL, FORK 0 pthread_create(&t740, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t740, ((void *)0), P3, ((void *)0))=0, t737={5:0}, t738={6:0}, t739={7:0}, t740={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L800] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L803] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L820] 4 z = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L806] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L807] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L808] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L809] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L810] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L813] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L823] 4 __unbuffered_p3_EAX = z VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L815] 3 return 0; VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L826] 4 __unbuffered_p3_EBX = a VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L750] 1 a = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L829] 4 x = x$w_buff0_used && x$r_buff0_thd4 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd4 ? x$w_buff1 : x) [L830] 4 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd4 ? (_Bool)0 : x$w_buff0_used [L831] 4 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd4 || x$w_buff1_used && x$r_buff1_thd4 ? (_Bool)0 : x$w_buff1_used [L832] 4 x$r_buff0_thd4 = x$w_buff0_used && x$r_buff0_thd4 ? (_Bool)0 : x$r_buff0_thd4 [L833] 4 x$r_buff1_thd4 = x$w_buff0_used && x$r_buff0_thd4 || x$w_buff1_used && x$r_buff1_thd4 ? (_Bool)0 : x$r_buff1_thd4 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L753] 1 x = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L786] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L787] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L788] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L789] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L790] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L793] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L836] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L756] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L757] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L758] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L759] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L760] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L795] 2 return 0; VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L838] 4 return 0; VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L763] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L860] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t737={5:0}, t738={6:0}, t739={7:0}, t740={3:0}, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L765] 1 return 0; VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L862] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, \result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L862] RET 0 assume_abort_if_not(main$tmp_guard0) [L864] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L865] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L866] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L867] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L868] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t737={5:0}, t738={6:0}, t739={7:0}, t740={3:0}, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=2] [L871] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L872] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L873] 0 x$flush_delayed = weak$$choice2 [L874] 0 x$mem_tmp = x [L875] 0 x = !x$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) [L876] 0 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L877] 0 x$w_buff1 = weak$$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$w_buff1)) [L878] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L879] 0 x$w_buff1_used = weak$$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$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L880] 0 x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L881] 0 x$r_buff1_thd0 = weak$$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$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L882] 0 main$tmp_guard1 = !(x == 2 && z == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p3_EAX == 2 && __unbuffered_p3_EBX == 0) [L883] 0 x = x$flush_delayed ? x$mem_tmp : x [L884] 0 x$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t737={5:0}, t738={6:0}, t739={7:0}, t740={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=2] [L886] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=1, \old(expression)=0, \result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=1, expression=0, main$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=2] [L18] 0 reach_error() VAL [\old(expression)=0, \old(expression)=1, \result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$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=2] - UnprovableResult [Line: 854]: 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: 858]: 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: 852]: 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: 856]: 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, 174 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 30.3s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 23.6s, 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: 92, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 990 NumberOfCodeBlocks, 990 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 868 ConstructedInterpolants, 0 QuantifiedInterpolants, 7177 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-05-20 04:08:27,718 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 04:08:27,925 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...