/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/mix037_power.oepc_pso.oepc_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 08:05:13,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 08:05:13,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 08:05:13,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 08:05:14,000 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 08:05:14,004 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 08:05:14,006 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 08:05:14,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 08:05:14,010 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 08:05:14,014 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 08:05:14,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 08:05:14,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 08:05:14,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 08:05:14,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 08:05:14,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 08:05:14,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 08:05:14,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 08:05:14,022 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 08:05:14,024 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 08:05:14,030 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 08:05:14,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 08:05:14,033 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 08:05:14,034 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 08:05:14,035 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 08:05:14,041 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 08:05:14,042 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 08:05:14,042 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 08:05:14,043 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 08:05:14,044 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 08:05:14,045 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 08:05:14,045 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 08:05:14,045 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 08:05:14,047 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 08:05:14,048 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 08:05:14,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 08:05:14,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 08:05:14,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 08:05:14,049 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 08:05:14,050 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 08:05:14,050 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 08:05:14,051 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 08:05:14,052 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 08:05:14,083 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 08:05:14,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 08:05:14,083 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 08:05:14,084 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 08:05:14,084 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 08:05:14,084 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 08:05:14,085 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 08:05:14,085 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 08:05:14,085 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 08:05:14,085 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 08:05:14,086 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 08:05:14,086 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 08:05:14,086 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 08:05:14,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 08:05:14,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 08:05:14,087 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 08:05:14,087 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 08:05:14,087 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 08:05:14,087 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 08:05:14,087 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 08:05:14,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 08:05:14,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 08:05:14,087 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 08:05:14,087 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 08:05:14,088 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 08:05:14,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 08:05:14,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 08:05:14,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 08:05:14,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 08:05:14,088 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 08:05:14,088 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 08:05:14,088 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 08:05:14,089 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 08:05:14,089 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 08:05:14,089 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 08:05:14,089 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 08:05:14,089 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-04 08:05:14,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 08:05:14,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 08:05:14,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 08:05:14,362 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 08:05:14,362 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 08:05:14,363 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix037_power.oepc_pso.oepc_rmo.oepc.i [2023-05-04 08:05:14,421 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ee38b9cc/5cf76871e69f44faa575cd21f46f897d/FLAG1cdf7c808 [2023-05-04 08:05:14,907 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 08:05:14,907 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix037_power.oepc_pso.oepc_rmo.oepc.i [2023-05-04 08:05:14,931 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ee38b9cc/5cf76871e69f44faa575cd21f46f897d/FLAG1cdf7c808 [2023-05-04 08:05:15,389 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ee38b9cc/5cf76871e69f44faa575cd21f46f897d [2023-05-04 08:05:15,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 08:05:15,392 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 08:05:15,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 08:05:15,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 08:05:15,413 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 08:05:15,414 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 08:05:15" (1/1) ... [2023-05-04 08:05:15,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cd5f891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:05:15, skipping insertion in model container [2023-05-04 08:05:15,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 08:05:15" (1/1) ... [2023-05-04 08:05:15,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 08:05:15,469 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 08:05:15,668 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/mix037_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2023-05-04 08:05:15,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 08:05:15,899 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 08:05:15,911 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/mix037_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2023-05-04 08:05:15,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 08:05:16,013 INFO L208 MainTranslator]: Completed translation [2023-05-04 08:05:16,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:05:16 WrapperNode [2023-05-04 08:05:16,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 08:05:16,014 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 08:05:16,014 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 08:05:16,015 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 08:05:16,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:05:16" (1/1) ... [2023-05-04 08:05:16,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:05:16" (1/1) ... [2023-05-04 08:05:16,089 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 146 [2023-05-04 08:05:16,090 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 08:05:16,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 08:05:16,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 08:05:16,091 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 08:05:16,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:05:16" (1/1) ... [2023-05-04 08:05:16,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:05:16" (1/1) ... [2023-05-04 08:05:16,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:05:16" (1/1) ... [2023-05-04 08:05:16,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:05:16" (1/1) ... [2023-05-04 08:05:16,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:05:16" (1/1) ... [2023-05-04 08:05:16,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:05:16" (1/1) ... [2023-05-04 08:05:16,137 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:05:16" (1/1) ... [2023-05-04 08:05:16,143 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:05:16" (1/1) ... [2023-05-04 08:05:16,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 08:05:16,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 08:05:16,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 08:05:16,147 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 08:05:16,153 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:05:16" (1/1) ... [2023-05-04 08:05:16,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 08:05:16,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 08:05:16,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-04 08:05:16,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-04 08:05:16,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 08:05:16,229 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 08:05:16,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 08:05:16,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 08:05:16,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 08:05:16,229 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-05-04 08:05:16,230 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-05-04 08:05:16,230 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-05-04 08:05:16,230 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-05-04 08:05:16,230 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-05-04 08:05:16,230 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-05-04 08:05:16,230 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-05-04 08:05:16,230 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-05-04 08:05:16,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 08:05:16,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 08:05:16,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 08:05:16,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 08:05:16,232 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 08:05:16,409 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 08:05:16,410 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 08:05:16,746 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 08:05:16,910 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 08:05:16,911 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-04 08:05:16,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 08:05:16 BoogieIcfgContainer [2023-05-04 08:05:16,913 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 08:05:16,916 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 08:05:16,916 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 08:05:16,918 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 08:05:16,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 08:05:15" (1/3) ... [2023-05-04 08:05:16,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b5d6a2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 08:05:16, skipping insertion in model container [2023-05-04 08:05:16,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:05:16" (2/3) ... [2023-05-04 08:05:16,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b5d6a2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 08:05:16, skipping insertion in model container [2023-05-04 08:05:16,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 08:05:16" (3/3) ... [2023-05-04 08:05:16,921 INFO L112 eAbstractionObserver]: Analyzing ICFG mix037_power.oepc_pso.oepc_rmo.oepc.i [2023-05-04 08:05:16,928 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 08:05:16,935 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 08:05:16,935 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-05-04 08:05:16,935 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 08:05:17,003 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-05-04 08:05:17,046 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 08:05:17,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 08:05:17,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 08:05:17,053 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-04 08:05:17,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-04 08:05:17,099 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 08:05:17,119 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 08:05:17,127 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;@58b9b1bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 08:05:17,127 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-05-04 08:05:17,974 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)] === [2023-05-04 08:05:17,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 08:05:17,980 INFO L85 PathProgramCache]: Analyzing trace with hash 766582051, now seen corresponding path program 1 times [2023-05-04 08:05:17,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 08:05:17,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127068841] [2023-05-04 08:05:17,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 08:05:17,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 08:05:18,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 08:05:18,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 08:05:18,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 08:05:18,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127068841] [2023-05-04 08:05:18,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127068841] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 08:05:18,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 08:05:18,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 08:05:18,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837858283] [2023-05-04 08:05:18,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 08:05:18,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 08:05:18,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 08:05:18,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 08:05:18,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 08:05:18,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:05:18,413 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 08:05:18,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 56.5) internal successors, (113), 2 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 08:05:18,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:05:18,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:05:18,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 08:05:18,475 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)] === [2023-05-04 08:05:18,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 08:05:18,476 INFO L85 PathProgramCache]: Analyzing trace with hash 741885574, now seen corresponding path program 1 times [2023-05-04 08:05:18,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 08:05:18,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877634203] [2023-05-04 08:05:18,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 08:05:18,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 08:05:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 08:05:19,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 08:05:19,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 08:05:19,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877634203] [2023-05-04 08:05:19,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877634203] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 08:05:19,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 08:05:19,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-04 08:05:19,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367706177] [2023-05-04 08:05:19,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 08:05:19,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-04 08:05:19,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 08:05:19,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-04 08:05:19,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-05-04 08:05:19,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:05:19,258 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 08:05:19,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 08:05:19,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:05:19,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:05:23,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:05:23,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 08:05:23,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 08:05:23,122 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)] === [2023-05-04 08:05:23,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 08:05:23,123 INFO L85 PathProgramCache]: Analyzing trace with hash 698969855, now seen corresponding path program 1 times [2023-05-04 08:05:23,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 08:05:23,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476116110] [2023-05-04 08:05:23,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 08:05:23,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 08:05:23,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 08:05:23,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 08:05:23,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 08:05:23,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476116110] [2023-05-04 08:05:23,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476116110] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 08:05:23,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 08:05:23,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-05-04 08:05:23,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756892907] [2023-05-04 08:05:23,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 08:05:23,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-05-04 08:05:23,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 08:05:23,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-05-04 08:05:23,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-05-04 08:05:23,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:05:23,888 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 08:05:23,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 12 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 08:05:23,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:05:23,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 08:05:23,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:05:27,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:05:27,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 08:05:27,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 08:05:27,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 08:05:27,196 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)] === [2023-05-04 08:05:27,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 08:05:27,196 INFO L85 PathProgramCache]: Analyzing trace with hash -965644276, now seen corresponding path program 1 times [2023-05-04 08:05:27,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 08:05:27,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620275083] [2023-05-04 08:05:27,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 08:05:27,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 08:05:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 08:05:27,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 08:05:27,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 08:05:27,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620275083] [2023-05-04 08:05:27,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620275083] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 08:05:27,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 08:05:27,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-04 08:05:27,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497331862] [2023-05-04 08:05:27,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 08:05:27,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-04 08:05:27,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 08:05:27,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-04 08:05:27,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-05-04 08:05:27,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:05:27,563 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 08:05:27,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.285714285714286) internal successors, (107), 7 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) [2023-05-04 08:05:27,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:05:27,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 08:05:27,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 08:05:27,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:05:30,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:05:30,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 08:05:30,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 08:05:30,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 08:05:30,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-04 08:05:30,750 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)] === [2023-05-04 08:05:30,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 08:05:30,751 INFO L85 PathProgramCache]: Analyzing trace with hash 2044040536, now seen corresponding path program 1 times [2023-05-04 08:05:30,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 08:05:30,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463083399] [2023-05-04 08:05:30,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 08:05:30,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 08:05:30,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 08:05:31,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 08:05:31,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 08:05:31,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463083399] [2023-05-04 08:05:31,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463083399] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 08:05:31,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 08:05:31,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-05-04 08:05:31,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899789544] [2023-05-04 08:05:31,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 08:05:31,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-04 08:05:31,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 08:05:31,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-04 08:05:31,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-05-04 08:05:31,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:05:31,110 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 08:05:31,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 08:05:31,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:05:31,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 08:05:31,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 08:05:31,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 08:05:31,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:05:33,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:05:33,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 08:05:33,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 08:05:33,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 08:05:33,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 08:05:33,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-04 08:05:33,243 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)] === [2023-05-04 08:05:33,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 08:05:33,244 INFO L85 PathProgramCache]: Analyzing trace with hash 198406597, now seen corresponding path program 1 times [2023-05-04 08:05:33,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 08:05:33,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687418826] [2023-05-04 08:05:33,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 08:05:33,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 08:05:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 08:05:33,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 08:05:33,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 08:05:33,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687418826] [2023-05-04 08:05:33,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687418826] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 08:05:33,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 08:05:33,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-04 08:05:33,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847153671] [2023-05-04 08:05:33,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 08:05:33,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-04 08:05:33,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 08:05:33,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-04 08:05:33,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-05-04 08:05:33,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:05:33,665 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 08:05:33,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.714285714285715) internal successors, (117), 7 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 08:05:33,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:05:33,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 08:05:33,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 08:05:33,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 08:05:33,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 08:05:33,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:05:35,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:05:35,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 08:05:35,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 08:05:35,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 08:05:35,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 08:05:35,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 08:05:35,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-05-04 08:05:35,175 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)] === [2023-05-04 08:05:35,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 08:05:35,176 INFO L85 PathProgramCache]: Analyzing trace with hash -72771787, now seen corresponding path program 2 times [2023-05-04 08:05:35,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 08:05:35,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478652027] [2023-05-04 08:05:35,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 08:05:35,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 08:05:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 08:05:35,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 08:05:35,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 08:05:35,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478652027] [2023-05-04 08:05:35,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478652027] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 08:05:35,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 08:05:35,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-05-04 08:05:35,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695816096] [2023-05-04 08:05:35,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 08:05:35,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-04 08:05:35,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 08:05:35,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-04 08:05:35,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-05-04 08:05:35,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:05:35,534 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 08:05:35,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.625) internal successors, (117), 8 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 08:05:35,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:05:35,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 08:05:35,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 08:05:35,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 08:05:35,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 08:05:35,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 08:05:35,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:05:37,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:05:37,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 08:05:37,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 08:05:37,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 08:05:37,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 08:05:37,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 08:05:37,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 08:05:37,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-05-04 08:05:37,606 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)] === [2023-05-04 08:05:37,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 08:05:37,607 INFO L85 PathProgramCache]: Analyzing trace with hash -89576317, now seen corresponding path program 3 times [2023-05-04 08:05:37,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 08:05:37,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66012919] [2023-05-04 08:05:37,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 08:05:37,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 08:05:37,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 08:05:39,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 08:05:39,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 08:05:39,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66012919] [2023-05-04 08:05:39,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66012919] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 08:05:39,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 08:05:39,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-05-04 08:05:39,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422986819] [2023-05-04 08:05:39,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 08:05:39,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-05-04 08:05:39,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 08:05:39,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-05-04 08:05:39,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2023-05-04 08:05:39,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:05:39,123 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 08:05:39,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.357142857142858) internal successors, (117), 14 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 08:05:39,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:05:39,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 08:05:39,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 08:05:39,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-04 08:05:39,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-04 08:05:39,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 08:05:39,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 08:05:39,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:05:40,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 08:05:40,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 08:05:40,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 08:05:40,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-04 08:05:40,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 08:05:40,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 08:05:40,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 08:05:40,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-04 08:05:40,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-05-04 08:05:40,728 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)] === [2023-05-04 08:05:40,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 08:05:40,729 INFO L85 PathProgramCache]: Analyzing trace with hash 380308859, now seen corresponding path program 4 times [2023-05-04 08:05:40,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 08:05:40,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669378576] [2023-05-04 08:05:40,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 08:05:40,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 08:05:40,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-04 08:05:40,796 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-05-04 08:05:40,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-05-04 08:05:40,912 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-05-04 08:05:40,913 INFO L359 BasicCegarLoop]: Counterexample is feasible [2023-05-04 08:05:40,914 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2023-05-04 08:05:40,915 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2023-05-04 08:05:40,916 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-05-04 08:05:40,916 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2023-05-04 08:05:40,916 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2023-05-04 08:05:40,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-05-04 08:05:40,924 INFO L444 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1] [2023-05-04 08:05:40,926 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (1/2) [2023-05-04 08:05:40,929 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 08:05:40,930 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 08:05:41,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 08:05:41 BasicIcfg [2023-05-04 08:05:41,112 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 08:05:41,112 INFO L158 Benchmark]: Toolchain (without parser) took 25720.02ms. Allocated memory was 182.5MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 122.7MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 901.6MB. Max. memory is 8.0GB. [2023-05-04 08:05:41,112 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 182.5MB. Free memory was 140.9MB in the beginning and 140.7MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 08:05:41,113 INFO L158 Benchmark]: CACSL2BoogieTranslator took 619.98ms. Allocated memory is still 182.5MB. Free memory was 122.4MB in the beginning and 142.6MB in the end (delta: -20.2MB). Peak memory consumption was 13.9MB. Max. memory is 8.0GB. [2023-05-04 08:05:41,113 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.64ms. Allocated memory is still 182.5MB. Free memory was 142.1MB in the beginning and 140.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 08:05:41,113 INFO L158 Benchmark]: Boogie Preprocessor took 55.78ms. Allocated memory is still 182.5MB. Free memory was 140.0MB in the beginning and 137.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 08:05:41,113 INFO L158 Benchmark]: RCFGBuilder took 766.26ms. Allocated memory is still 182.5MB. Free memory was 137.9MB in the beginning and 99.6MB in the end (delta: 38.3MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. [2023-05-04 08:05:41,114 INFO L158 Benchmark]: TraceAbstraction took 24196.16ms. Allocated memory was 182.5MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 98.6MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 876.1MB. Max. memory is 8.0GB. [2023-05-04 08:05:41,115 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 182.5MB. Free memory was 140.9MB in the beginning and 140.7MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 619.98ms. Allocated memory is still 182.5MB. Free memory was 122.4MB in the beginning and 142.6MB in the end (delta: -20.2MB). Peak memory consumption was 13.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 75.64ms. Allocated memory is still 182.5MB. Free memory was 142.1MB in the beginning and 140.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 55.78ms. Allocated memory is still 182.5MB. Free memory was 140.0MB in the beginning and 137.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 766.26ms. Allocated memory is still 182.5MB. Free memory was 137.9MB in the beginning and 99.6MB in the end (delta: 38.3MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. * TraceAbstraction took 24196.16ms. Allocated memory was 182.5MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 98.6MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 876.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1559493, independent: 1454337, independent conditional: 1451297, independent unconditional: 3040, dependent: 105156, dependent conditional: 105097, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1491254, independent: 1454337, independent conditional: 1451297, independent unconditional: 3040, dependent: 36917, dependent conditional: 36858, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1491254, independent: 1454337, independent conditional: 1451297, independent unconditional: 3040, dependent: 36917, dependent conditional: 36858, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1706072, independent: 1454337, independent conditional: 36752, independent unconditional: 1417585, dependent: 251735, dependent conditional: 178066, dependent unconditional: 73669, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1706072, independent: 1454337, independent conditional: 36752, independent unconditional: 1417585, dependent: 251735, dependent conditional: 17402, dependent unconditional: 234333, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1706072, independent: 1454337, independent conditional: 36752, independent unconditional: 1417585, dependent: 251735, dependent conditional: 17402, dependent unconditional: 234333, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3231, independent: 3089, independent conditional: 49, independent unconditional: 3040, dependent: 142, dependent conditional: 83, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3231, independent: 3025, independent conditional: 0, independent unconditional: 3025, dependent: 206, dependent conditional: 0, dependent unconditional: 206, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 206, independent: 64, independent conditional: 49, independent unconditional: 15, dependent: 142, dependent conditional: 83, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 206, independent: 64, independent conditional: 49, independent unconditional: 15, dependent: 142, dependent conditional: 83, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2214, independent: 358, independent conditional: 284, independent unconditional: 74, dependent: 1856, dependent conditional: 1178, dependent unconditional: 678, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1706072, independent: 1451248, independent conditional: 36703, independent unconditional: 1414545, dependent: 251593, dependent conditional: 17319, dependent unconditional: 234274, unknown: 3231, unknown conditional: 132, unknown unconditional: 3099] , Statistics on independence cache: Total cache size (in pairs): 3231, Positive cache size: 3089, Positive conditional cache size: 49, Positive unconditional cache size: 3040, Negative cache size: 142, Negative conditional cache size: 83, Negative unconditional cache size: 59, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 160664, Maximal queried relation: 7, Independence queries for same thread: 68239 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 2.6s, Number of persistent set computation: 42928, Number of trivial persistent sets: 20826, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3099, independent: 3040, independent conditional: 0, independent unconditional: 3040, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1559493, independent: 1454337, independent conditional: 1451297, independent unconditional: 3040, dependent: 105156, dependent conditional: 105097, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1491254, independent: 1454337, independent conditional: 1451297, independent unconditional: 3040, dependent: 36917, dependent conditional: 36858, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1491254, independent: 1454337, independent conditional: 1451297, independent unconditional: 3040, dependent: 36917, dependent conditional: 36858, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1706072, independent: 1454337, independent conditional: 36752, independent unconditional: 1417585, dependent: 251735, dependent conditional: 178066, dependent unconditional: 73669, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1706072, independent: 1454337, independent conditional: 36752, independent unconditional: 1417585, dependent: 251735, dependent conditional: 17402, dependent unconditional: 234333, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1706072, independent: 1454337, independent conditional: 36752, independent unconditional: 1417585, dependent: 251735, dependent conditional: 17402, dependent unconditional: 234333, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3231, independent: 3089, independent conditional: 49, independent unconditional: 3040, dependent: 142, dependent conditional: 83, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3231, independent: 3025, independent conditional: 0, independent unconditional: 3025, dependent: 206, dependent conditional: 0, dependent unconditional: 206, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 206, independent: 64, independent conditional: 49, independent unconditional: 15, dependent: 142, dependent conditional: 83, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 206, independent: 64, independent conditional: 49, independent unconditional: 15, dependent: 142, dependent conditional: 83, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2214, independent: 358, independent conditional: 284, independent unconditional: 74, dependent: 1856, dependent conditional: 1178, dependent unconditional: 678, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1706072, independent: 1451248, independent conditional: 36703, independent unconditional: 1414545, dependent: 251593, dependent conditional: 17319, dependent unconditional: 234274, unknown: 3231, unknown conditional: 132, unknown unconditional: 3099] , Statistics on independence cache: Total cache size (in pairs): 3231, Positive cache size: 3089, Positive conditional cache size: 49, Positive unconditional cache size: 3040, Negative cache size: 142, Negative conditional cache size: 83, Negative unconditional cache size: 59, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 160664, Maximal queried relation: 7, Independence queries for same thread: 68239 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L724] 0 int b$mem_tmp; VAL [b$mem_tmp=0] [L740] 0 _Bool b$w_buff1_used; VAL [b$mem_tmp=0, b$w_buff1_used=0] [L749] 0 _Bool weak$$choice0; VAL [b$mem_tmp=0, b$w_buff1_used=0, weak$$choice0=0] [L750] 0 _Bool weak$$choice2; VAL [b$mem_tmp=0, b$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L729] 0 _Bool b$r_buff0_thd4; VAL [b$mem_tmp=0, b$r_buff0_thd4=0, b$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L735] 0 _Bool b$read_delayed; VAL [b$mem_tmp=0, b$r_buff0_thd4=0, b$read_delayed=0, b$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L728] 0 _Bool b$r_buff0_thd3; VAL [b$mem_tmp=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$read_delayed=0, b$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L727] 0 _Bool b$r_buff0_thd2; VAL [b$mem_tmp=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$read_delayed=0, b$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L726] 0 _Bool b$r_buff0_thd1; VAL [b$mem_tmp=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$read_delayed=0, b$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L725] 0 _Bool b$r_buff0_thd0; VAL [b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$read_delayed=0, b$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L712] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_p1_EAX=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$read_delayed=0, b$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L718] 0 int __unbuffered_p3_EBX = 0; VAL [__unbuffered_p1_EAX=0, __unbuffered_p3_EBX=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$read_delayed=0, b$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L736] 0 int *b$read_delayed_var; VAL [__unbuffered_p1_EAX=0, __unbuffered_p3_EBX=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L734] 0 _Bool b$r_buff1_thd4; VAL [__unbuffered_p1_EAX=0, __unbuffered_p3_EBX=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L720] 0 int a = 0; VAL [__unbuffered_p1_EAX=0, __unbuffered_p3_EBX=0, a=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L722] 0 int b = 0; VAL [__unbuffered_p1_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L714] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L730] 0 _Bool b$r_buff1_thd0; VAL [__unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L731] 0 _Bool b$r_buff1_thd1; VAL [__unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L732] 0 _Bool b$r_buff1_thd2; VAL [__unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L733] 0 _Bool b$r_buff1_thd3; VAL [__unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L710] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L737] 0 int b$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L739] 0 int b$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff1=0, b$w_buff1_used=0, weak$$choice0=0, weak$$choice2=0] [L742] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0] [L741] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0] [L738] 0 _Bool b$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0] [L716] 0 int __unbuffered_p3_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0] [L744] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0] [L746] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0] [L748] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L723] 0 _Bool b$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L871] 0 pthread_t t969; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, t969={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L872] FCALL, FORK 0 pthread_create(&t969, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t969, ((void *)0), P0, ((void *)0))=-3, t969={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L754] 1 b$w_buff1 = b$w_buff0 [L755] 1 b$w_buff0 = 1 [L756] 1 b$w_buff1_used = b$w_buff0_used [L757] 1 b$w_buff0_used = (_Bool)1 [L758] CALL 1 __VERIFIER_assert(!(b$w_buff1_used && b$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L758] RET 1 __VERIFIER_assert(!(b$w_buff1_used && b$w_buff0_used)) [L759] 1 b$r_buff1_thd0 = b$r_buff0_thd0 [L760] 1 b$r_buff1_thd1 = b$r_buff0_thd1 [L761] 1 b$r_buff1_thd2 = b$r_buff0_thd2 [L762] 1 b$r_buff1_thd3 = b$r_buff0_thd3 [L763] 1 b$r_buff1_thd4 = b$r_buff0_thd4 [L764] 1 b$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L873] 0 pthread_t t970; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, t969={5:0}, t970={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L874] FCALL, FORK 0 pthread_create(&t970, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t970, ((void *)0), P1, ((void *)0))=-2, t969={5:0}, t970={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L875] 0 pthread_t t971; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, t969={5:0}, t970={6:0}, t971={7:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L876] FCALL, FORK 0 pthread_create(&t971, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t971, ((void *)0), P2, ((void *)0))=-1, t969={5:0}, t970={6:0}, t971={7:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L877] 0 pthread_t t972; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, t969={5:0}, t970={6:0}, t971={7:0}, t972={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L878] FCALL, FORK 0 pthread_create(&t972, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t972, ((void *)0), P3, ((void *)0))=0, t969={5:0}, t970={6:0}, t971={7:0}, t972={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L767] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L784] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L787] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L804] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L807] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L790] 2 b = b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L791] 2 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$w_buff0_used [L792] 2 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$w_buff1_used [L793] 2 b$r_buff0_thd2 = b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$r_buff0_thd2 [L794] 2 b$r_buff1_thd2 = b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$r_buff1_thd2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L797] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L824] 4 z = 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=1] [L810] 3 b = b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L811] 3 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used [L812] 3 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$w_buff1_used [L813] 3 b$r_buff0_thd3 = b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3 [L814] 3 b$r_buff1_thd3 = b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$r_buff1_thd3 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=1] [L817] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=1] [L799] 2 return 0; VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=1] [L827] 4 a = 1 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=1] [L830] 4 __unbuffered_p3_EAX = a VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=1] [L833] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L834] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L835] 4 b$flush_delayed = weak$$choice2 [L836] 4 b$mem_tmp = b [L837] 4 b = !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff1) [L838] 4 b$w_buff0 = weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0)) [L839] 4 b$w_buff1 = weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1)) [L840] 4 b$w_buff0_used = weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used)) [L841] 4 b$w_buff1_used = weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L842] 4 b$r_buff0_thd4 = weak$$choice2 ? b$r_buff0_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff0_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4)) [L843] 4 b$r_buff1_thd4 = weak$$choice2 ? b$r_buff1_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff1_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L844] 4 __unbuffered_p3_EBX = b [L845] 4 b = b$flush_delayed ? b$mem_tmp : b [L846] 4 b$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=1] [L819] 3 return 0; VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=1] [L770] 1 b = b$w_buff0_used && b$r_buff0_thd1 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b) [L771] 1 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$w_buff0_used [L772] 1 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$w_buff1_used [L773] 1 b$r_buff0_thd1 = b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$r_buff0_thd1 [L774] 1 b$r_buff1_thd1 = b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$r_buff1_thd1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=1] [L849] 4 b = b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L850] 4 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used [L851] 4 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$w_buff1_used [L852] 4 b$r_buff0_thd4 = b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4 [L853] 4 b$r_buff1_thd4 = b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$r_buff1_thd4 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=1] [L777] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=1] [L856] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=1] [L779] 1 return 0; VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=1] [L880] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=1, main$tmp_guard1=0, t969={5:0}, t970={6:0}, t971={7:0}, t972={3:0}, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=1] [L858] 4 return 0; VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=1] [L882] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, \result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=1] [L882] RET 0 assume_abort_if_not(main$tmp_guard0) [L884] 0 b = b$w_buff0_used && b$r_buff0_thd0 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b) [L885] 0 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$w_buff0_used [L886] 0 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$w_buff1_used [L887] 0 b$r_buff0_thd0 = b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$r_buff0_thd0 [L888] 0 b$r_buff1_thd0 = b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$r_buff1_thd0 VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=1, main$tmp_guard1=0, t969={5:0}, t970={6:0}, t971={7:0}, t972={3:0}, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=1] [L891] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=1, main$tmp_guard1=0, t969={5:0}, t970={6:0}, t971={7:0}, t972={3:0}, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=1] [L893] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=1, \old(expression)=0, \result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=1] [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_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, y=1, z=1] - UnprovableResult [Line: 876]: 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: 874]: 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: 872]: 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: 878]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 178 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 23.8s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 18.6s, 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: 83, 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, 0.7s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 1020 NumberOfCodeBlocks, 1020 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 895 ConstructedInterpolants, 0 QuantifiedInterpolants, 4464 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-05-04 08:05:41,142 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2023-05-04 08:05:41,346 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...